2131 files changed, 3167 insertions, 1135 deletions

diff --git a/tests/.gitignore b/tests/.gitignore
index 0c938beab6..fb2edc939a 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -31,6 +31,7 @@
 /lib/test_heavy_wq
 /lib/test_idalloc
 /lib/test_memory
+/lib/test_nexthop
 /lib/test_nexthop_iter
 /lib/test_ntop
 /lib/test_prefix2str
diff --git a/tests/bgpd/test_peer_attr.c b/tests/bgpd/test_peer_attr.c
index 123d97bc97..cd5186f2ae 100644
--- a/tests/bgpd/test_peer_attr.c
+++ b/tests/bgpd/test_peer_attr.c
@@ -783,6 +783,8 @@ static void test_execute(struct test *test, const char *fmt, ...)
 			cmd, ret);
 	}
 
+	nb_cli_pending_commit_check(test->vty);
+
 	/* Free memory. */
 	cmd_free_strvec(vline);
 	XFREE(MTYPE_TMP, cmd);
@@ -1397,7 +1399,6 @@ static void bgp_startup(void)
 	zprivs_init(&bgpd_privs);
 
 	master = thread_master_create(NULL);
-	yang_init(true);
 	nb_init(master, bgpd_yang_modules, array_size(bgpd_yang_modules), false);
 	bgp_master_init(master, BGP_SOCKET_SNDBUF_SIZE, list_new());
 	bgp_option_set(BGP_OPT_NO_LISTEN);
diff --git a/tests/helpers/c/main.c b/tests/helpers/c/main.c
index 7f15996daa..64ecab9132 100644
--- a/tests/helpers/c/main.c
+++ b/tests/helpers/c/main.c
@@ -155,7 +155,6 @@ int main(int argc, char **argv)
 	cmd_init(1);
 	vty_init(master, false);
 	lib_cmd_init();
-	yang_init(true);
 	nb_init(master, NULL, 0, false);
 
 	/* OSPF vty inits. */
diff --git a/tests/isisd/test_isis_spf.c b/tests/isisd/test_isis_spf.c
index 8fe1ad0b8a..915f849aec 100644
--- a/tests/isisd/test_isis_spf.c
+++ b/tests/isisd/test_isis_spf.c
@@ -547,7 +547,7 @@ int main(int argc, char **argv)
 	cmd_init(1);
 	cmd_hostname_set("test");
 	vty_init(master, false);
-	yang_init(true);
+	yang_init(true, false);
 	if (debug)
 		zlog_aux_init("NONE: ", LOG_DEBUG);
 	else
diff --git a/tests/lib/cli/common_cli.c b/tests/lib/cli/common_cli.c
index 44cc6efe84..49bc0f4fb2 100644
--- a/tests/lib/cli/common_cli.c
+++ b/tests/lib/cli/common_cli.c
@@ -79,7 +79,6 @@ int main(int argc, char **argv)
 
 	vty_init(master, false);
 	lib_cmd_init();
-	yang_init(true);
 	nb_init(master, NULL, 0, false);
 
 	test_init(argc, argv);
diff --git a/tests/lib/cli/test_commands.c b/tests/lib/cli/test_commands.c
index cb512211a4..a00f80073c 100644
--- a/tests/lib/cli/test_commands.c
+++ b/tests/lib/cli/test_commands.c
@@ -208,7 +208,6 @@ static void test_init(void)
 	struct cmd_element *cmd;
 
 	cmd_init(1);
-	yang_init(true);
 	nb_init(master, NULL, 0, false);
 
 	install_node(&bgp_node);
diff --git a/tests/lib/northbound/test_oper_data.c b/tests/lib/northbound/test_oper_data.c
index b5f257fa2f..08eb0d527c 100644
--- a/tests/lib/northbound/test_oper_data.c
+++ b/tests/lib/northbound/test_oper_data.c
@@ -399,7 +399,6 @@ int main(int argc, char **argv)
 	cmd_hostname_set("test");
 	vty_init(master, false);
 	lib_cmd_init();
-	yang_init(true);
 	nb_init(master, modules, array_size(modules), false);
 
 	/* Create artificial data. */
diff --git a/tests/lib/test_assert.c b/tests/lib/test_assert.c
index 8f1f4f2bad..a4535651d4 100644
--- a/tests/lib/test_assert.c
+++ b/tests/lib/test_assert.c
@@ -27,7 +27,7 @@
 #include <assert.h>
 
 __attribute__((noinline))
-void func_for_bt(int number)
+static void func_for_bt(int number)
 {
 	assert(number > 2);
 	assertf(number > 3, "(A) the number was %d", number);
diff --git a/tests/lib/test_nexthop.c b/tests/lib/test_nexthop.c
new file mode 100644
index 0000000000..659d207b4e
--- /dev/null
+++ b/tests/lib/test_nexthop.c
@@ -0,0 +1,201 @@
+/*
+ * Nexthop module test.
+ *
+ * Copyright (C) 2021 by Volta Networks, Inc.
+ *
+ * This file is part of FRR.
+ *
+ * FRR is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * FRR is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <zebra.h>
+#include <nexthop.h>
+
+static bool verbose;
+
+static void test_run_first(void)
+{
+	int ret, i;
+	struct nexthop *nh1, *nh2;
+	struct in_addr addr;
+	struct in6_addr addr6;
+	mpls_label_t labels[MPLS_MAX_LABELS];
+
+	/* Test comparison apis */
+
+	/* ifindex comparisons */
+	nh1 = nexthop_from_ifindex(11, 0);
+	nh2 = nexthop_from_ifindex(12, 0);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret < 0);
+
+	nexthop_free(nh1);
+	nh1 = nexthop_from_ifindex(12, 0);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret == 0);
+
+	nexthop_free(nh1);
+	nexthop_free(nh2);
+
+	/* ipv4, vrf */
+	addr.s_addr = 0x04030201;
+	nh1 = nexthop_from_ipv4(&addr, NULL, 0);
+	nh2 = nexthop_from_ipv4(&addr, NULL, 111);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret != 0);
+
+	nexthop_free(nh2);
+
+	addr.s_addr = 0x04030202;
+	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret != 0);
+
+	nexthop_free(nh2);
+
+	addr.s_addr = 0x04030201;
+	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret == 0);
+
+	/* Weight */
+	nh2->weight = 20;
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret != 0);
+
+	nexthop_free(nh1);
+	nexthop_free(nh2);
+
+	/* ipv6 */
+	memset(addr6.s6_addr, 0, sizeof(addr6.s6_addr));
+	nh1 = nexthop_from_ipv6(&addr6, 0);
+	nh2 = nexthop_from_ipv6(&addr6, 0);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret == 0);
+
+	nexthop_free(nh2);
+
+	nh2 = nexthop_from_ipv6(&addr6, 1);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret != 0);
+
+	nexthop_free(nh2);
+
+	addr6.s6_addr[14] = 1;
+	addr6.s6_addr[15] = 1;
+	nh2 = nexthop_from_ipv6(&addr6, 0);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret != 0);
+
+	nexthop_free(nh1);
+	nexthop_free(nh2);
+
+	/* Blackhole */
+	nh1 = nexthop_from_blackhole(BLACKHOLE_REJECT);
+	nh2 = nexthop_from_blackhole(BLACKHOLE_REJECT);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret == 0);
+
+	nexthop_free(nh2);
+
+	nh2 = nexthop_from_blackhole(BLACKHOLE_NULL);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret != 0);
+
+	/* Labels */
+	addr.s_addr = 0x04030201;
+	nh1 = nexthop_from_ipv4(&addr, NULL, 0);
+	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
+
+	memset(labels, 0, sizeof(labels));
+	labels[0] = 111;
+	labels[1] = 222;
+
+	nexthop_add_labels(nh1, ZEBRA_LSP_STATIC, 2, labels);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret != 0);
+
+	nexthop_add_labels(nh2, ZEBRA_LSP_STATIC, 2, labels);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret == 0);
+
+	nexthop_free(nh2);
+
+	/* LSP type isn't included */
+	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
+	nexthop_add_labels(nh2, ZEBRA_LSP_LDP, 2, labels);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret == 0);
+
+	nexthop_free(nh2);
+
+	labels[2] = 333;
+	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
+	nexthop_add_labels(nh2, ZEBRA_LSP_LDP, 3, labels);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret != 0);
+
+	nexthop_free(nh1);
+	nexthop_free(nh2);
+
+	nh1 = nexthop_from_ipv4(&addr, NULL, 0);
+	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
+
+	for (i = 0; i < MPLS_MAX_LABELS; i++)
+		labels[i] = 111 * (i + 1);
+
+	nexthop_add_labels(nh1, ZEBRA_LSP_LDP, MPLS_MAX_LABELS, labels);
+	nexthop_add_labels(nh2, ZEBRA_LSP_LDP, MPLS_MAX_LABELS, labels);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret == 0);
+
+	nexthop_free(nh2);
+
+	/* Test very last label in stack */
+	labels[15] = 999;
+	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
+	nexthop_add_labels(nh2, ZEBRA_LSP_LDP, MPLS_MAX_LABELS, labels);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret != 0);
+
+	/* End */
+	nexthop_free(nh1);
+	nexthop_free(nh2);
+}
+
+int main(int argc, char **argv)
+{
+	if (argc >= 2 && !strcmp("-v", argv[1]))
+		verbose = true;
+	test_run_first();
+	printf("Simple test passed.\n");
+}
diff --git a/tests/lib/test_nexthop.py b/tests/lib/test_nexthop.py
new file mode 100644
index 0000000000..81bfa43ab5
--- /dev/null
+++ b/tests/lib/test_nexthop.py
@@ -0,0 +1,8 @@
+import frrtest
+
+
+class TestNexthopIter(frrtest.TestMultiOut):
+    program = "./test_nexthop"
+
+
+TestNexthopIter.onesimple("Simple test passed.")
diff --git a/tests/subdir.am b/tests/subdir.am
index 139f4878c8..3996699774 100644
--- a/tests/subdir.am
+++ b/tests/subdir.am
@@ -76,6 +76,7 @@ check_PROGRAMS = \
 	tests/lib/test_idalloc \
 	tests/lib/test_memory \
 	tests/lib/test_nexthop_iter \
+	tests/lib/test_nexthop \
 	tests/lib/test_ntop \
 	tests/lib/test_prefix2str \
 	tests/lib/test_printfrr \
@@ -156,7 +157,7 @@ TESTS_CFLAGS = \
 # note no -Werror
 
 ALL_TESTS_LDADD = lib/libfrr.la $(LIBCAP)
-BGP_TEST_LDADD = bgpd/libbgp.a $(RFPLDADD) $(ALL_TESTS_LDADD) -lm
+BGP_TEST_LDADD = bgpd/libbgp.a $(RFPLDADD) $(ALL_TESTS_LDADD) $(LIBYANG_LIBS) -lm
 ISISD_TEST_LDADD = isisd/libisis.a $(ALL_TESTS_LDADD)
 OSPFD_TEST_LDADD = ospfd/libfrrospf.a $(ALL_TESTS_LDADD)
 OSPF6_TEST_LDADD = ospf6d/libospf6.a $(ALL_TESTS_LDADD)
@@ -293,6 +294,10 @@ tests_lib_test_nexthop_iter_CFLAGS = $(TESTS_CFLAGS)
 tests_lib_test_nexthop_iter_CPPFLAGS = $(TESTS_CPPFLAGS)
 tests_lib_test_nexthop_iter_LDADD = $(ALL_TESTS_LDADD)
 tests_lib_test_nexthop_iter_SOURCES = tests/lib/test_nexthop_iter.c tests/helpers/c/prng.c
+tests_lib_test_nexthop_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_nexthop_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_nexthop_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_nexthop_SOURCES = tests/lib/test_nexthop.c
 tests_lib_test_ntop_CFLAGS = $(TESTS_CFLAGS)
 tests_lib_test_ntop_CPPFLAGS = $(CPPFLAGS_BASE) # no assert override
 tests_lib_test_ntop_LDADD = # none
@@ -412,6 +417,7 @@ EXTRA_DIST += \
 	tests/lib/test_assert.py \
 	tests/lib/test_atomlist.py \
 	tests/lib/test_nexthop_iter.py \
+	tests/lib/test_nexthop.py \
 	tests/lib/test_ntop.py \
 	tests/lib/test_prefix2str.py \
 	tests/lib/test_printfrr.py \
diff --git a/tests/topotests/all-protocol-startup/r1/babeld.conf b/tests/topotests/all_protocol_startup/r1/babeld.conf
index 3e119bf24d..3e119bf24d 100644
--- a/tests/topotests/all-protocol-startup/r1/babeld.conf
+++ b/tests/topotests/all_protocol_startup/r1/babeld.conf
diff --git a/tests/topotests/all-protocol-startup/r1/bgpd.conf b/tests/topotests/all_protocol_startup/r1/bgpd.conf
index 32dcb727e5..32dcb727e5 100644
--- a/tests/topotests/all-protocol-startup/r1/bgpd.conf
+++ b/tests/topotests/all_protocol_startup/r1/bgpd.conf
diff --git a/tests/topotests/all-protocol-startup/r1/ip_nht.ref b/tests/topotests/all_protocol_startup/r1/ip_nht.ref
index 1da4da4df5..1da4da4df5 100644
--- a/tests/topotests/all-protocol-startup/r1/ip_nht.ref
+++ b/tests/topotests/all_protocol_startup/r1/ip_nht.ref
diff --git a/tests/topotests/all-protocol-startup/r1/ipv4_routes.ref b/tests/topotests/all_protocol_startup/r1/ipv4_routes.ref
index 044cffae7a..044cffae7a 100644
--- a/tests/topotests/all-protocol-startup/r1/ipv4_routes.ref
+++ b/tests/topotests/all_protocol_startup/r1/ipv4_routes.ref
diff --git a/tests/topotests/all-protocol-startup/r1/ipv6_nht.ref b/tests/topotests/all_protocol_startup/r1/ipv6_nht.ref
index 0255ecdee8..0255ecdee8 100644
--- a/tests/topotests/all-protocol-startup/r1/ipv6_nht.ref
+++ b/tests/topotests/all_protocol_startup/r1/ipv6_nht.ref
diff --git a/tests/topotests/all-protocol-startup/r1/ipv6_routes.ref b/tests/topotests/all_protocol_startup/r1/ipv6_routes.ref
index ef12d615dc..ef12d615dc 100644
--- a/tests/topotests/all-protocol-startup/r1/ipv6_routes.ref
+++ b/tests/topotests/all_protocol_startup/r1/ipv6_routes.ref
diff --git a/tests/topotests/all-protocol-startup/r1/isisd.conf b/tests/topotests/all_protocol_startup/r1/isisd.conf
index 413f8d15a9..413f8d15a9 100644
--- a/tests/topotests/all-protocol-startup/r1/isisd.conf
+++ b/tests/topotests/all_protocol_startup/r1/isisd.conf
diff --git a/tests/topotests/all-protocol-startup/r1/ldpd.conf b/tests/topotests/all_protocol_startup/r1/ldpd.conf
index 02332a4e75..02332a4e75 100644
--- a/tests/topotests/all-protocol-startup/r1/ldpd.conf
+++ b/tests/topotests/all_protocol_startup/r1/ldpd.conf
diff --git a/tests/topotests/all-protocol-startup/r1/nhrpd.conf b/tests/topotests/all_protocol_startup/r1/nhrpd.conf
index 74e0f12e32..74e0f12e32 100644
--- a/tests/topotests/all-protocol-startup/r1/nhrpd.conf
+++ b/tests/topotests/all_protocol_startup/r1/nhrpd.conf
diff --git a/tests/topotests/all-protocol-startup/r1/ospf6d.conf b/tests/topotests/all_protocol_startup/r1/ospf6d.conf
index 5c6f071644..5c6f071644 100644
--- a/tests/topotests/all-protocol-startup/r1/ospf6d.conf
+++ b/tests/topotests/all_protocol_startup/r1/ospf6d.conf
diff --git a/tests/topotests/all-protocol-startup/r1/ospf6d.conf-pre-v4 b/tests/topotests/all_protocol_startup/r1/ospf6d.conf-pre-v4
index 6d870f355f..6d870f355f 100644
--- a/tests/topotests/all-protocol-startup/r1/ospf6d.conf-pre-v4
+++ b/tests/topotests/all_protocol_startup/r1/ospf6d.conf-pre-v4
diff --git a/tests/topotests/all-protocol-startup/r1/ospfd.conf b/tests/topotests/all_protocol_startup/r1/ospfd.conf
index bac9f61620..bac9f61620 100644
--- a/tests/topotests/all-protocol-startup/r1/ospfd.conf
+++ b/tests/topotests/all_protocol_startup/r1/ospfd.conf
diff --git a/tests/topotests/all-protocol-startup/r1/pbrd.conf b/tests/topotests/all_protocol_startup/r1/pbrd.conf
index 360fb13a1b..360fb13a1b 100644
--- a/tests/topotests/all-protocol-startup/r1/pbrd.conf
+++ b/tests/topotests/all_protocol_startup/r1/pbrd.conf
diff --git a/tests/topotests/all-protocol-startup/r1/rip_status.ref b/tests/topotests/all_protocol_startup/r1/rip_status.ref
index 4a5255fe13..4a5255fe13 100644
--- a/tests/topotests/all-protocol-startup/r1/rip_status.ref
+++ b/tests/topotests/all_protocol_startup/r1/rip_status.ref
diff --git a/tests/topotests/all-protocol-startup/r1/ripd.conf b/tests/topotests/all_protocol_startup/r1/ripd.conf
index ace7608873..ace7608873 100644
--- a/tests/topotests/all-protocol-startup/r1/ripd.conf
+++ b/tests/topotests/all_protocol_startup/r1/ripd.conf
diff --git a/tests/topotests/all-protocol-startup/r1/ripng_status.ref b/tests/topotests/all_protocol_startup/r1/ripng_status.ref
index 5d67c1467a..5d67c1467a 100644
--- a/tests/topotests/all-protocol-startup/r1/ripng_status.ref
+++ b/tests/topotests/all_protocol_startup/r1/ripng_status.ref
diff --git a/tests/topotests/all-protocol-startup/r1/ripngd.conf b/tests/topotests/all_protocol_startup/r1/ripngd.conf
index 2e0aef3a14..2e0aef3a14 100644
--- a/tests/topotests/all-protocol-startup/r1/ripngd.conf
+++ b/tests/topotests/all_protocol_startup/r1/ripngd.conf
diff --git a/tests/topotests/all-protocol-startup/r1/show_bgp_ipv4-post4.1.ref b/tests/topotests/all_protocol_startup/r1/show_bgp_ipv4-post4.1.ref
index b38701a53d..b38701a53d 100644
--- a/tests/topotests/all-protocol-startup/r1/show_bgp_ipv4-post4.1.ref
+++ b/tests/topotests/all_protocol_startup/r1/show_bgp_ipv4-post4.1.ref
diff --git a/tests/topotests/all-protocol-startup/r1/show_bgp_ipv4-post5.0.ref b/tests/topotests/all_protocol_startup/r1/show_bgp_ipv4-post5.0.ref
index 82b64c0d98..82b64c0d98 100644
--- a/tests/topotests/all-protocol-startup/r1/show_bgp_ipv4-post5.0.ref
+++ b/tests/topotests/all_protocol_startup/r1/show_bgp_ipv4-post5.0.ref
diff --git a/tests/topotests/all-protocol-startup/r1/show_bgp_ipv4-post6.1.ref b/tests/topotests/all_protocol_startup/r1/show_bgp_ipv4-post6.1.ref
index fd333b3084..fd333b3084 100644
--- a/tests/topotests/all-protocol-startup/r1/show_bgp_ipv4-post6.1.ref
+++ b/tests/topotests/all_protocol_startup/r1/show_bgp_ipv4-post6.1.ref
diff --git a/tests/topotests/all-protocol-startup/r1/show_bgp_ipv4.ref b/tests/topotests/all_protocol_startup/r1/show_bgp_ipv4.ref
index 3be6cd3d7b..3be6cd3d7b 100644
--- a/tests/topotests/all-protocol-startup/r1/show_bgp_ipv4.ref
+++ b/tests/topotests/all_protocol_startup/r1/show_bgp_ipv4.ref
diff --git a/tests/topotests/all-protocol-startup/r1/show_bgp_ipv6-post4.1.ref b/tests/topotests/all_protocol_startup/r1/show_bgp_ipv6-post4.1.ref
index 20034b7408..20034b7408 100644
--- a/tests/topotests/all-protocol-startup/r1/show_bgp_ipv6-post4.1.ref
+++ b/tests/topotests/all_protocol_startup/r1/show_bgp_ipv6-post4.1.ref
diff --git a/tests/topotests/all-protocol-startup/r1/show_bgp_ipv6.ref b/tests/topotests/all_protocol_startup/r1/show_bgp_ipv6.ref
index fffee63c6b..fffee63c6b 100644
--- a/tests/topotests/all-protocol-startup/r1/show_bgp_ipv6.ref
+++ b/tests/topotests/all_protocol_startup/r1/show_bgp_ipv6.ref
diff --git a/tests/topotests/all-protocol-startup/r1/show_bgp_ipv6_post6.1.ref b/tests/topotests/all_protocol_startup/r1/show_bgp_ipv6_post6.1.ref
index 5b5f8596cf..5b5f8596cf 100644
--- a/tests/topotests/all-protocol-startup/r1/show_bgp_ipv6_post6.1.ref
+++ b/tests/topotests/all_protocol_startup/r1/show_bgp_ipv6_post6.1.ref
diff --git a/tests/topotests/all-protocol-startup/r1/show_bgp_ipv6_summary.ref b/tests/topotests/all_protocol_startup/r1/show_bgp_ipv6_summary.ref
index 0246687200..0246687200 100644
--- a/tests/topotests/all-protocol-startup/r1/show_bgp_ipv6_summary.ref
+++ b/tests/topotests/all_protocol_startup/r1/show_bgp_ipv6_summary.ref
diff --git a/tests/topotests/all-protocol-startup/r1/show_ip_bgp_summary.ref b/tests/topotests/all_protocol_startup/r1/show_ip_bgp_summary.ref
index deeae87fa3..deeae87fa3 100644
--- a/tests/topotests/all-protocol-startup/r1/show_ip_bgp_summary.ref
+++ b/tests/topotests/all_protocol_startup/r1/show_ip_bgp_summary.ref
diff --git a/tests/topotests/all-protocol-startup/r1/show_ip_ospf_interface.ref b/tests/topotests/all_protocol_startup/r1/show_ip_ospf_interface.ref
index ff85679256..ff85679256 100644
--- a/tests/topotests/all-protocol-startup/r1/show_ip_ospf_interface.ref
+++ b/tests/topotests/all_protocol_startup/r1/show_ip_ospf_interface.ref
diff --git a/tests/topotests/all-protocol-startup/r1/show_ipv6_ospf6_interface b/tests/topotests/all_protocol_startup/r1/show_ipv6_ospf6_interface
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/all-protocol-startup/r1/show_ipv6_ospf6_interface
+++ b/tests/topotests/all_protocol_startup/r1/show_ipv6_ospf6_interface
diff --git a/tests/topotests/all-protocol-startup/r1/show_ipv6_ospf6_interface.ref b/tests/topotests/all_protocol_startup/r1/show_ipv6_ospf6_interface.ref
index 6fbf40bbb8..6fbf40bbb8 100644
--- a/tests/topotests/all-protocol-startup/r1/show_ipv6_ospf6_interface.ref
+++ b/tests/topotests/all_protocol_startup/r1/show_ipv6_ospf6_interface.ref
diff --git a/tests/topotests/all-protocol-startup/r1/show_isis_interface_detail.ref b/tests/topotests/all_protocol_startup/r1/show_isis_interface_detail.ref
index 0534b64d33..0534b64d33 100644
--- a/tests/topotests/all-protocol-startup/r1/show_isis_interface_detail.ref
+++ b/tests/topotests/all_protocol_startup/r1/show_isis_interface_detail.ref
diff --git a/tests/topotests/all-protocol-startup/r1/show_mpls_ldp_interface.ref b/tests/topotests/all_protocol_startup/r1/show_mpls_ldp_interface.ref
index c6bb01c34b..c6bb01c34b 100644
--- a/tests/topotests/all-protocol-startup/r1/show_mpls_ldp_interface.ref
+++ b/tests/topotests/all_protocol_startup/r1/show_mpls_ldp_interface.ref
diff --git a/tests/topotests/all-protocol-startup/r1/show_route_map.ref b/tests/topotests/all_protocol_startup/r1/show_route_map.ref
index 612d0a729d..612d0a729d 100644
--- a/tests/topotests/all-protocol-startup/r1/show_route_map.ref
+++ b/tests/topotests/all_protocol_startup/r1/show_route_map.ref
diff --git a/tests/topotests/all-protocol-startup/r1/zebra.conf b/tests/topotests/all_protocol_startup/r1/zebra.conf
index c5ef79630e..c5ef79630e 100644
--- a/tests/topotests/all-protocol-startup/r1/zebra.conf
+++ b/tests/topotests/all_protocol_startup/r1/zebra.conf
diff --git a/tests/topotests/all-protocol-startup/test_all_protocol_startup.dot b/tests/topotests/all_protocol_startup/test_all_protocol_startup.dot
index f39f8f87b8..f39f8f87b8 100644
--- a/tests/topotests/all-protocol-startup/test_all_protocol_startup.dot
+++ b/tests/topotests/all_protocol_startup/test_all_protocol_startup.dot
diff --git a/tests/topotests/all-protocol-startup/test_all_protocol_startup.pdf b/tests/topotests/all_protocol_startup/test_all_protocol_startup.pdf
index 23f69bcddf..23f69bcddf 100644
--- a/tests/topotests/all-protocol-startup/test_all_protocol_startup.pdf
+++ b/tests/topotests/all_protocol_startup/test_all_protocol_startup.pdf
diff --git a/tests/topotests/all-protocol-startup/test_all_protocol_startup.py b/tests/topotests/all_protocol_startup/test_all_protocol_startup.py
index c10e32ad0a..c10e32ad0a 100644
--- a/tests/topotests/all-protocol-startup/test_all_protocol_startup.py
+++ b/tests/topotests/all_protocol_startup/test_all_protocol_startup.py
diff --git a/tests/topotests/bfd-bgp-cbit-topo3/__init__.py b/tests/topotests/bfd_bgp_cbit_topo3/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bfd-bgp-cbit-topo3/__init__.py
+++ b/tests/topotests/bfd_bgp_cbit_topo3/__init__.py
diff --git a/tests/topotests/bfd-bgp-cbit-topo3/r1/bfdd.conf b/tests/topotests/bfd_bgp_cbit_topo3/r1/bfdd.conf
index f35e772790..f35e772790 100644
--- a/tests/topotests/bfd-bgp-cbit-topo3/r1/bfdd.conf
+++ b/tests/topotests/bfd_bgp_cbit_topo3/r1/bfdd.conf
diff --git a/tests/topotests/bfd-bgp-cbit-topo3/r1/bgp_ipv6_routes_down.json b/tests/topotests/bfd_bgp_cbit_topo3/r1/bgp_ipv6_routes_down.json
index 5cba71ef20..5cba71ef20 100644
--- a/tests/topotests/bfd-bgp-cbit-topo3/r1/bgp_ipv6_routes_down.json
+++ b/tests/topotests/bfd_bgp_cbit_topo3/r1/bgp_ipv6_routes_down.json
diff --git a/tests/topotests/bfd-bgp-cbit-topo3/r1/bgpd.conf b/tests/topotests/bfd_bgp_cbit_topo3/r1/bgpd.conf
index 689797a5e6..689797a5e6 100644
--- a/tests/topotests/bfd-bgp-cbit-topo3/r1/bgpd.conf
+++ b/tests/topotests/bfd_bgp_cbit_topo3/r1/bgpd.conf
diff --git a/tests/topotests/bfd-bgp-cbit-topo3/r1/ipv6_routes.json b/tests/topotests/bfd_bgp_cbit_topo3/r1/ipv6_routes.json
index 8eea183285..8eea183285 100644
--- a/tests/topotests/bfd-bgp-cbit-topo3/r1/ipv6_routes.json
+++ b/tests/topotests/bfd_bgp_cbit_topo3/r1/ipv6_routes.json
diff --git a/tests/topotests/bfd-bgp-cbit-topo3/r1/peers.json b/tests/topotests/bfd_bgp_cbit_topo3/r1/peers.json
index b436d5562e..b436d5562e 100644
--- a/tests/topotests/bfd-bgp-cbit-topo3/r1/peers.json
+++ b/tests/topotests/bfd_bgp_cbit_topo3/r1/peers.json
diff --git a/tests/topotests/bfd-bgp-cbit-topo3/r1/peers_down.json b/tests/topotests/bfd_bgp_cbit_topo3/r1/peers_down.json
index 4984b52cf2..4984b52cf2 100644
--- a/tests/topotests/bfd-bgp-cbit-topo3/r1/peers_down.json
+++ b/tests/topotests/bfd_bgp_cbit_topo3/r1/peers_down.json
diff --git a/tests/topotests/bfd-bgp-cbit-topo3/r1/zebra.conf b/tests/topotests/bfd_bgp_cbit_topo3/r1/zebra.conf
index 3a30cd42fb..3a30cd42fb 100644
--- a/tests/topotests/bfd-bgp-cbit-topo3/r1/zebra.conf
+++ b/tests/topotests/bfd_bgp_cbit_topo3/r1/zebra.conf
diff --git a/tests/topotests/bfd-bgp-cbit-topo3/r2/zebra.conf b/tests/topotests/bfd_bgp_cbit_topo3/r2/zebra.conf
index 0f70be1bda..0f70be1bda 100644
--- a/tests/topotests/bfd-bgp-cbit-topo3/r2/zebra.conf
+++ b/tests/topotests/bfd_bgp_cbit_topo3/r2/zebra.conf
diff --git a/tests/topotests/bfd-bgp-cbit-topo3/r3/bfdd.conf b/tests/topotests/bfd_bgp_cbit_topo3/r3/bfdd.conf
index f35e772790..f35e772790 100644
--- a/tests/topotests/bfd-bgp-cbit-topo3/r3/bfdd.conf
+++ b/tests/topotests/bfd_bgp_cbit_topo3/r3/bfdd.conf
diff --git a/tests/topotests/bfd-bgp-cbit-topo3/r3/bgp_ipv6_routes_down.json b/tests/topotests/bfd_bgp_cbit_topo3/r3/bgp_ipv6_routes_down.json
index c0cb3c4ac9..c0cb3c4ac9 100644
--- a/tests/topotests/bfd-bgp-cbit-topo3/r3/bgp_ipv6_routes_down.json
+++ b/tests/topotests/bfd_bgp_cbit_topo3/r3/bgp_ipv6_routes_down.json
diff --git a/tests/topotests/bfd-bgp-cbit-topo3/r3/bgpd.conf b/tests/topotests/bfd_bgp_cbit_topo3/r3/bgpd.conf
index 1f5aac42ed..1f5aac42ed 100644
--- a/tests/topotests/bfd-bgp-cbit-topo3/r3/bgpd.conf
+++ b/tests/topotests/bfd_bgp_cbit_topo3/r3/bgpd.conf
diff --git a/tests/topotests/bfd-bgp-cbit-topo3/r3/ipv6_routes.json b/tests/topotests/bfd_bgp_cbit_topo3/r3/ipv6_routes.json
index 09808cc09a..09808cc09a 100644
--- a/tests/topotests/bfd-bgp-cbit-topo3/r3/ipv6_routes.json
+++ b/tests/topotests/bfd_bgp_cbit_topo3/r3/ipv6_routes.json
diff --git a/tests/topotests/bfd-bgp-cbit-topo3/r3/peers.json b/tests/topotests/bfd_bgp_cbit_topo3/r3/peers.json
index fc9e145340..fc9e145340 100644
--- a/tests/topotests/bfd-bgp-cbit-topo3/r3/peers.json
+++ b/tests/topotests/bfd_bgp_cbit_topo3/r3/peers.json
diff --git a/tests/topotests/bfd-bgp-cbit-topo3/r3/peers_down.json b/tests/topotests/bfd_bgp_cbit_topo3/r3/peers_down.json
index 620c6ddcd4..620c6ddcd4 100644
--- a/tests/topotests/bfd-bgp-cbit-topo3/r3/peers_down.json
+++ b/tests/topotests/bfd_bgp_cbit_topo3/r3/peers_down.json
diff --git a/tests/topotests/bfd-bgp-cbit-topo3/r3/zebra.conf b/tests/topotests/bfd_bgp_cbit_topo3/r3/zebra.conf
index 7759251dc5..7759251dc5 100644
--- a/tests/topotests/bfd-bgp-cbit-topo3/r3/zebra.conf
+++ b/tests/topotests/bfd_bgp_cbit_topo3/r3/zebra.conf
diff --git a/tests/topotests/bfd-bgp-cbit-topo3/test_bfd_bgp_cbit_topo3.dot b/tests/topotests/bfd_bgp_cbit_topo3/test_bfd_bgp_cbit_topo3.dot
index 270de829c3..270de829c3 100644
--- a/tests/topotests/bfd-bgp-cbit-topo3/test_bfd_bgp_cbit_topo3.dot
+++ b/tests/topotests/bfd_bgp_cbit_topo3/test_bfd_bgp_cbit_topo3.dot
diff --git a/tests/topotests/bfd-bgp-cbit-topo3/test_bfd_bgp_cbit_topo3.py b/tests/topotests/bfd_bgp_cbit_topo3/test_bfd_bgp_cbit_topo3.py
index 560d6eebec..560d6eebec 100644
--- a/tests/topotests/bfd-bgp-cbit-topo3/test_bfd_bgp_cbit_topo3.py
+++ b/tests/topotests/bfd_bgp_cbit_topo3/test_bfd_bgp_cbit_topo3.py
diff --git a/tests/topotests/bfd-isis-topo1/__init__.py b/tests/topotests/bfd_isis_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bfd-isis-topo1/__init__.py
+++ b/tests/topotests/bfd_isis_topo1/__init__.py
diff --git a/tests/topotests/bfd-isis-topo1/rt1/bfdd.conf b/tests/topotests/bfd_isis_topo1/rt1/bfdd.conf
index 57f9cd9e3d..57f9cd9e3d 100644
--- a/tests/topotests/bfd-isis-topo1/rt1/bfdd.conf
+++ b/tests/topotests/bfd_isis_topo1/rt1/bfdd.conf
diff --git a/tests/topotests/bfd-isis-topo1/rt1/isisd.conf b/tests/topotests/bfd_isis_topo1/rt1/isisd.conf
index 8026aad49d..8026aad49d 100644
--- a/tests/topotests/bfd-isis-topo1/rt1/isisd.conf
+++ b/tests/topotests/bfd_isis_topo1/rt1/isisd.conf
diff --git a/tests/topotests/bfd-isis-topo1/rt1/step1/show_ip_route.ref b/tests/topotests/bfd_isis_topo1/rt1/step1/show_ip_route.ref
index af6e45cf33..af6e45cf33 100644
--- a/tests/topotests/bfd-isis-topo1/rt1/step1/show_ip_route.ref
+++ b/tests/topotests/bfd_isis_topo1/rt1/step1/show_ip_route.ref
diff --git a/tests/topotests/bfd-isis-topo1/rt1/step1/show_ipv6_route.ref b/tests/topotests/bfd_isis_topo1/rt1/step1/show_ipv6_route.ref
index 68d3fe2c44..68d3fe2c44 100644
--- a/tests/topotests/bfd-isis-topo1/rt1/step1/show_ipv6_route.ref
+++ b/tests/topotests/bfd_isis_topo1/rt1/step1/show_ipv6_route.ref
diff --git a/tests/topotests/bfd-isis-topo1/rt1/step2/show_bfd_peers.ref b/tests/topotests/bfd_isis_topo1/rt1/step2/show_bfd_peers.ref
index cb4083d2fd..cb4083d2fd 100644
--- a/tests/topotests/bfd-isis-topo1/rt1/step2/show_bfd_peers.ref
+++ b/tests/topotests/bfd_isis_topo1/rt1/step2/show_bfd_peers.ref
diff --git a/tests/topotests/bfd-isis-topo1/rt1/step3/show_bfd_peers_healthy.ref b/tests/topotests/bfd_isis_topo1/rt1/step3/show_bfd_peers_healthy.ref
index cb4083d2fd..cb4083d2fd 100644
--- a/tests/topotests/bfd-isis-topo1/rt1/step3/show_bfd_peers_healthy.ref
+++ b/tests/topotests/bfd_isis_topo1/rt1/step3/show_bfd_peers_healthy.ref
diff --git a/tests/topotests/bfd-isis-topo1/rt1/step3/show_bfd_peers_rt2_down.ref b/tests/topotests/bfd_isis_topo1/rt1/step3/show_bfd_peers_rt2_down.ref
index f00b9f3d32..f00b9f3d32 100644
--- a/tests/topotests/bfd-isis-topo1/rt1/step3/show_bfd_peers_rt2_down.ref
+++ b/tests/topotests/bfd_isis_topo1/rt1/step3/show_bfd_peers_rt2_down.ref
diff --git a/tests/topotests/bfd-isis-topo1/rt1/step3/show_bfd_peers_rt3_down.ref b/tests/topotests/bfd_isis_topo1/rt1/step3/show_bfd_peers_rt3_down.ref
index f5bd276a4a..f5bd276a4a 100644
--- a/tests/topotests/bfd-isis-topo1/rt1/step3/show_bfd_peers_rt3_down.ref
+++ b/tests/topotests/bfd_isis_topo1/rt1/step3/show_bfd_peers_rt3_down.ref
diff --git a/tests/topotests/bfd-isis-topo1/rt1/step3/show_ip_route_healthy.ref b/tests/topotests/bfd_isis_topo1/rt1/step3/show_ip_route_healthy.ref
index af6e45cf33..af6e45cf33 100644
--- a/tests/topotests/bfd-isis-topo1/rt1/step3/show_ip_route_healthy.ref
+++ b/tests/topotests/bfd_isis_topo1/rt1/step3/show_ip_route_healthy.ref
diff --git a/tests/topotests/bfd-isis-topo1/rt1/step3/show_ip_route_rt2_down.ref b/tests/topotests/bfd_isis_topo1/rt1/step3/show_ip_route_rt2_down.ref
index b8366bc0b7..b8366bc0b7 100644
--- a/tests/topotests/bfd-isis-topo1/rt1/step3/show_ip_route_rt2_down.ref
+++ b/tests/topotests/bfd_isis_topo1/rt1/step3/show_ip_route_rt2_down.ref
diff --git a/tests/topotests/bfd-isis-topo1/rt1/step3/show_ip_route_rt3_down.ref b/tests/topotests/bfd_isis_topo1/rt1/step3/show_ip_route_rt3_down.ref
index 42bd6abf82..42bd6abf82 100644
--- a/tests/topotests/bfd-isis-topo1/rt1/step3/show_ip_route_rt3_down.ref
+++ b/tests/topotests/bfd_isis_topo1/rt1/step3/show_ip_route_rt3_down.ref
diff --git a/tests/topotests/bfd-isis-topo1/rt1/step3/show_ipv6_route_healthy.ref b/tests/topotests/bfd_isis_topo1/rt1/step3/show_ipv6_route_healthy.ref
index 68d3fe2c44..68d3fe2c44 100644
--- a/tests/topotests/bfd-isis-topo1/rt1/step3/show_ipv6_route_healthy.ref
+++ b/tests/topotests/bfd_isis_topo1/rt1/step3/show_ipv6_route_healthy.ref
diff --git a/tests/topotests/bfd-isis-topo1/rt1/step3/show_ipv6_route_rt2_down.ref b/tests/topotests/bfd_isis_topo1/rt1/step3/show_ipv6_route_rt2_down.ref
index 200053c3e8..200053c3e8 100644
--- a/tests/topotests/bfd-isis-topo1/rt1/step3/show_ipv6_route_rt2_down.ref
+++ b/tests/topotests/bfd_isis_topo1/rt1/step3/show_ipv6_route_rt2_down.ref
diff --git a/tests/topotests/bfd-isis-topo1/rt1/step3/show_ipv6_route_rt3_down.ref b/tests/topotests/bfd_isis_topo1/rt1/step3/show_ipv6_route_rt3_down.ref
index 4297f163b5..4297f163b5 100644
--- a/tests/topotests/bfd-isis-topo1/rt1/step3/show_ipv6_route_rt3_down.ref
+++ b/tests/topotests/bfd_isis_topo1/rt1/step3/show_ipv6_route_rt3_down.ref
diff --git a/tests/topotests/bfd-isis-topo1/rt1/zebra.conf b/tests/topotests/bfd_isis_topo1/rt1/zebra.conf
index 6003125b6b..6003125b6b 100644
--- a/tests/topotests/bfd-isis-topo1/rt1/zebra.conf
+++ b/tests/topotests/bfd_isis_topo1/rt1/zebra.conf
diff --git a/tests/topotests/bfd-isis-topo1/rt2/bfdd.conf b/tests/topotests/bfd_isis_topo1/rt2/bfdd.conf
index 6b34e337d3..6b34e337d3 100644
--- a/tests/topotests/bfd-isis-topo1/rt2/bfdd.conf
+++ b/tests/topotests/bfd_isis_topo1/rt2/bfdd.conf
diff --git a/tests/topotests/bfd-isis-topo1/rt2/isisd.conf b/tests/topotests/bfd_isis_topo1/rt2/isisd.conf
index b0fde64a5e..b0fde64a5e 100644
--- a/tests/topotests/bfd-isis-topo1/rt2/isisd.conf
+++ b/tests/topotests/bfd_isis_topo1/rt2/isisd.conf
diff --git a/tests/topotests/bfd-isis-topo1/rt2/step2/show_bfd_peers.ref b/tests/topotests/bfd_isis_topo1/rt2/step2/show_bfd_peers.ref
index 8a90649efa..8a90649efa 100644
--- a/tests/topotests/bfd-isis-topo1/rt2/step2/show_bfd_peers.ref
+++ b/tests/topotests/bfd_isis_topo1/rt2/step2/show_bfd_peers.ref
diff --git a/tests/topotests/bfd-isis-topo1/rt2/zebra.conf b/tests/topotests/bfd_isis_topo1/rt2/zebra.conf
index 5fc7fc5b28..5fc7fc5b28 100644
--- a/tests/topotests/bfd-isis-topo1/rt2/zebra.conf
+++ b/tests/topotests/bfd_isis_topo1/rt2/zebra.conf
diff --git a/tests/topotests/bfd-isis-topo1/rt3/bfdd.conf b/tests/topotests/bfd_isis_topo1/rt3/bfdd.conf
index 22937fe46f..22937fe46f 100644
--- a/tests/topotests/bfd-isis-topo1/rt3/bfdd.conf
+++ b/tests/topotests/bfd_isis_topo1/rt3/bfdd.conf
diff --git a/tests/topotests/bfd-isis-topo1/rt3/isisd.conf b/tests/topotests/bfd_isis_topo1/rt3/isisd.conf
index 5c36e96c0f..5c36e96c0f 100644
--- a/tests/topotests/bfd-isis-topo1/rt3/isisd.conf
+++ b/tests/topotests/bfd_isis_topo1/rt3/isisd.conf
diff --git a/tests/topotests/bfd-isis-topo1/rt3/step2/show_bfd_peers.ref b/tests/topotests/bfd_isis_topo1/rt3/step2/show_bfd_peers.ref
index 13eb2a2c69..13eb2a2c69 100644
--- a/tests/topotests/bfd-isis-topo1/rt3/step2/show_bfd_peers.ref
+++ b/tests/topotests/bfd_isis_topo1/rt3/step2/show_bfd_peers.ref
diff --git a/tests/topotests/bfd-isis-topo1/rt3/zebra.conf b/tests/topotests/bfd_isis_topo1/rt3/zebra.conf
index d368de9bbe..d368de9bbe 100644
--- a/tests/topotests/bfd-isis-topo1/rt3/zebra.conf
+++ b/tests/topotests/bfd_isis_topo1/rt3/zebra.conf
diff --git a/tests/topotests/bfd-isis-topo1/rt4/bfdd.conf b/tests/topotests/bfd_isis_topo1/rt4/bfdd.conf
index f35e772790..f35e772790 100644
--- a/tests/topotests/bfd-isis-topo1/rt4/bfdd.conf
+++ b/tests/topotests/bfd_isis_topo1/rt4/bfdd.conf
diff --git a/tests/topotests/bfd-isis-topo1/rt4/isisd.conf b/tests/topotests/bfd_isis_topo1/rt4/isisd.conf
index 3eac407776..3eac407776 100644
--- a/tests/topotests/bfd-isis-topo1/rt4/isisd.conf
+++ b/tests/topotests/bfd_isis_topo1/rt4/isisd.conf
diff --git a/tests/topotests/bfd-isis-topo1/rt4/zebra.conf b/tests/topotests/bfd_isis_topo1/rt4/zebra.conf
index 7b053bac35..7b053bac35 100644
--- a/tests/topotests/bfd-isis-topo1/rt4/zebra.conf
+++ b/tests/topotests/bfd_isis_topo1/rt4/zebra.conf
diff --git a/tests/topotests/bfd-isis-topo1/rt5/bfdd.conf b/tests/topotests/bfd_isis_topo1/rt5/bfdd.conf
index f35e772790..f35e772790 100644
--- a/tests/topotests/bfd-isis-topo1/rt5/bfdd.conf
+++ b/tests/topotests/bfd_isis_topo1/rt5/bfdd.conf
diff --git a/tests/topotests/bfd-isis-topo1/rt5/isisd.conf b/tests/topotests/bfd_isis_topo1/rt5/isisd.conf
index 5d449f6f93..5d449f6f93 100644
--- a/tests/topotests/bfd-isis-topo1/rt5/isisd.conf
+++ b/tests/topotests/bfd_isis_topo1/rt5/isisd.conf
diff --git a/tests/topotests/bfd-isis-topo1/rt5/zebra.conf b/tests/topotests/bfd_isis_topo1/rt5/zebra.conf
index 0b7c9e02f3..0b7c9e02f3 100644
--- a/tests/topotests/bfd-isis-topo1/rt5/zebra.conf
+++ b/tests/topotests/bfd_isis_topo1/rt5/zebra.conf
diff --git a/tests/topotests/bfd-isis-topo1/test_bfd_isis_topo1.py b/tests/topotests/bfd_isis_topo1/test_bfd_isis_topo1.py
index fcb5672dce..fcb5672dce 100644
--- a/tests/topotests/bfd-isis-topo1/test_bfd_isis_topo1.py
+++ b/tests/topotests/bfd_isis_topo1/test_bfd_isis_topo1.py
diff --git a/tests/topotests/bfd-ospf-topo1/__init__.py b/tests/topotests/bfd_ospf_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bfd-ospf-topo1/__init__.py
+++ b/tests/topotests/bfd_ospf_topo1/__init__.py
diff --git a/tests/topotests/bfd-ospf-topo1/rt1/bfdd.conf b/tests/topotests/bfd_ospf_topo1/rt1/bfdd.conf
index 610a20f88a..610a20f88a 100644
--- a/tests/topotests/bfd-ospf-topo1/rt1/bfdd.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt1/bfdd.conf
diff --git a/tests/topotests/bfd-ospf-topo1/rt1/ospf6d.conf b/tests/topotests/bfd_ospf_topo1/rt1/ospf6d.conf
index 18def599b4..18def599b4 100644
--- a/tests/topotests/bfd-ospf-topo1/rt1/ospf6d.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt1/ospf6d.conf
diff --git a/tests/topotests/bfd-ospf-topo1/rt1/ospfd.conf b/tests/topotests/bfd_ospf_topo1/rt1/ospfd.conf
index 07b42f9885..07b42f9885 100644
--- a/tests/topotests/bfd-ospf-topo1/rt1/ospfd.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt1/ospfd.conf
diff --git a/tests/topotests/bfd-ospf-topo1/rt1/step1/show_ip_route.ref b/tests/topotests/bfd_ospf_topo1/rt1/step1/show_ip_route.ref
index f354eff697..f354eff697 100644
--- a/tests/topotests/bfd-ospf-topo1/rt1/step1/show_ip_route.ref
+++ b/tests/topotests/bfd_ospf_topo1/rt1/step1/show_ip_route.ref
diff --git a/tests/topotests/bfd-ospf-topo1/rt1/step1/show_ipv6_route.ref b/tests/topotests/bfd_ospf_topo1/rt1/step1/show_ipv6_route.ref
index 6465efb8b5..6465efb8b5 100644
--- a/tests/topotests/bfd-ospf-topo1/rt1/step1/show_ipv6_route.ref
+++ b/tests/topotests/bfd_ospf_topo1/rt1/step1/show_ipv6_route.ref
diff --git a/tests/topotests/bfd-ospf-topo1/rt1/step2/show_bfd_peers.ref b/tests/topotests/bfd_ospf_topo1/rt1/step2/show_bfd_peers.ref
index 63f0d50784..63f0d50784 100644
--- a/tests/topotests/bfd-ospf-topo1/rt1/step2/show_bfd_peers.ref
+++ b/tests/topotests/bfd_ospf_topo1/rt1/step2/show_bfd_peers.ref
diff --git a/tests/topotests/bfd-ospf-topo1/rt1/step3/show_bfd_peers_healthy.ref b/tests/topotests/bfd_ospf_topo1/rt1/step3/show_bfd_peers_healthy.ref
index 42051f9582..42051f9582 100644
--- a/tests/topotests/bfd-ospf-topo1/rt1/step3/show_bfd_peers_healthy.ref
+++ b/tests/topotests/bfd_ospf_topo1/rt1/step3/show_bfd_peers_healthy.ref
diff --git a/tests/topotests/bfd-ospf-topo1/rt1/step3/show_bfd_peers_rt2_down.ref b/tests/topotests/bfd_ospf_topo1/rt1/step3/show_bfd_peers_rt2_down.ref
index d844ee6813..d844ee6813 100644
--- a/tests/topotests/bfd-ospf-topo1/rt1/step3/show_bfd_peers_rt2_down.ref
+++ b/tests/topotests/bfd_ospf_topo1/rt1/step3/show_bfd_peers_rt2_down.ref
diff --git a/tests/topotests/bfd-ospf-topo1/rt1/step3/show_bfd_peers_rt3_down.ref b/tests/topotests/bfd_ospf_topo1/rt1/step3/show_bfd_peers_rt3_down.ref
index 32799084fb..32799084fb 100644
--- a/tests/topotests/bfd-ospf-topo1/rt1/step3/show_bfd_peers_rt3_down.ref
+++ b/tests/topotests/bfd_ospf_topo1/rt1/step3/show_bfd_peers_rt3_down.ref
diff --git a/tests/topotests/bfd-ospf-topo1/rt1/step3/show_ip_route_healthy.ref b/tests/topotests/bfd_ospf_topo1/rt1/step3/show_ip_route_healthy.ref
index f354eff697..f354eff697 100644
--- a/tests/topotests/bfd-ospf-topo1/rt1/step3/show_ip_route_healthy.ref
+++ b/tests/topotests/bfd_ospf_topo1/rt1/step3/show_ip_route_healthy.ref
diff --git a/tests/topotests/bfd-ospf-topo1/rt1/step3/show_ip_route_rt2_down.ref b/tests/topotests/bfd_ospf_topo1/rt1/step3/show_ip_route_rt2_down.ref
index 43eecd0b7a..43eecd0b7a 100644
--- a/tests/topotests/bfd-ospf-topo1/rt1/step3/show_ip_route_rt2_down.ref
+++ b/tests/topotests/bfd_ospf_topo1/rt1/step3/show_ip_route_rt2_down.ref
diff --git a/tests/topotests/bfd-ospf-topo1/rt1/step3/show_ip_route_rt3_down.ref b/tests/topotests/bfd_ospf_topo1/rt1/step3/show_ip_route_rt3_down.ref
index 409af6308b..409af6308b 100644
--- a/tests/topotests/bfd-ospf-topo1/rt1/step3/show_ip_route_rt3_down.ref
+++ b/tests/topotests/bfd_ospf_topo1/rt1/step3/show_ip_route_rt3_down.ref
diff --git a/tests/topotests/bfd-ospf-topo1/rt1/step3/show_ipv6_route_healthy.ref b/tests/topotests/bfd_ospf_topo1/rt1/step3/show_ipv6_route_healthy.ref
index 6465efb8b5..6465efb8b5 100644
--- a/tests/topotests/bfd-ospf-topo1/rt1/step3/show_ipv6_route_healthy.ref
+++ b/tests/topotests/bfd_ospf_topo1/rt1/step3/show_ipv6_route_healthy.ref
diff --git a/tests/topotests/bfd-ospf-topo1/rt1/step3/show_ipv6_route_rt2_down.ref b/tests/topotests/bfd_ospf_topo1/rt1/step3/show_ipv6_route_rt2_down.ref
index cfb1ef1bb6..cfb1ef1bb6 100644
--- a/tests/topotests/bfd-ospf-topo1/rt1/step3/show_ipv6_route_rt2_down.ref
+++ b/tests/topotests/bfd_ospf_topo1/rt1/step3/show_ipv6_route_rt2_down.ref
diff --git a/tests/topotests/bfd-ospf-topo1/rt1/step3/show_ipv6_route_rt3_down.ref b/tests/topotests/bfd_ospf_topo1/rt1/step3/show_ipv6_route_rt3_down.ref
index 58b44da5c2..58b44da5c2 100644
--- a/tests/topotests/bfd-ospf-topo1/rt1/step3/show_ipv6_route_rt3_down.ref
+++ b/tests/topotests/bfd_ospf_topo1/rt1/step3/show_ipv6_route_rt3_down.ref
diff --git a/tests/topotests/bfd-ospf-topo1/rt1/zebra.conf b/tests/topotests/bfd_ospf_topo1/rt1/zebra.conf
index 6003125b6b..6003125b6b 100644
--- a/tests/topotests/bfd-ospf-topo1/rt1/zebra.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt1/zebra.conf
diff --git a/tests/topotests/bfd-ospf-topo1/rt2/bfdd.conf b/tests/topotests/bfd_ospf_topo1/rt2/bfdd.conf
index 437f063d8f..437f063d8f 100644
--- a/tests/topotests/bfd-ospf-topo1/rt2/bfdd.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt2/bfdd.conf
diff --git a/tests/topotests/bfd-ospf-topo1/rt2/ospf6d.conf b/tests/topotests/bfd_ospf_topo1/rt2/ospf6d.conf
index 2f35099564..2f35099564 100644
--- a/tests/topotests/bfd-ospf-topo1/rt2/ospf6d.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt2/ospf6d.conf
diff --git a/tests/topotests/bfd-ospf-topo1/rt2/ospfd.conf b/tests/topotests/bfd_ospf_topo1/rt2/ospfd.conf
index a05d8b58c8..a05d8b58c8 100644
--- a/tests/topotests/bfd-ospf-topo1/rt2/ospfd.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt2/ospfd.conf
diff --git a/tests/topotests/bfd-ospf-topo1/rt2/step2/show_bfd_peers.ref b/tests/topotests/bfd_ospf_topo1/rt2/step2/show_bfd_peers.ref
index d6df1ebfb2..d6df1ebfb2 100644
--- a/tests/topotests/bfd-ospf-topo1/rt2/step2/show_bfd_peers.ref
+++ b/tests/topotests/bfd_ospf_topo1/rt2/step2/show_bfd_peers.ref
diff --git a/tests/topotests/bfd-ospf-topo1/rt2/zebra.conf b/tests/topotests/bfd_ospf_topo1/rt2/zebra.conf
index 5fc7fc5b28..5fc7fc5b28 100644
--- a/tests/topotests/bfd-ospf-topo1/rt2/zebra.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt2/zebra.conf
diff --git a/tests/topotests/bfd-ospf-topo1/rt3/bfdd.conf b/tests/topotests/bfd_ospf_topo1/rt3/bfdd.conf
index 437f063d8f..437f063d8f 100644
--- a/tests/topotests/bfd-ospf-topo1/rt3/bfdd.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt3/bfdd.conf
diff --git a/tests/topotests/bfd-ospf-topo1/rt3/ospf6d.conf b/tests/topotests/bfd_ospf_topo1/rt3/ospf6d.conf
index 3e8777019e..3e8777019e 100644
--- a/tests/topotests/bfd-ospf-topo1/rt3/ospf6d.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt3/ospf6d.conf
diff --git a/tests/topotests/bfd-ospf-topo1/rt3/ospfd.conf b/tests/topotests/bfd_ospf_topo1/rt3/ospfd.conf
index 1196e6d189..1196e6d189 100644
--- a/tests/topotests/bfd-ospf-topo1/rt3/ospfd.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt3/ospfd.conf
diff --git a/tests/topotests/bfd-ospf-topo1/rt3/step2/show_bfd_peers.ref b/tests/topotests/bfd_ospf_topo1/rt3/step2/show_bfd_peers.ref
index d6df1ebfb2..d6df1ebfb2 100644
--- a/tests/topotests/bfd-ospf-topo1/rt3/step2/show_bfd_peers.ref
+++ b/tests/topotests/bfd_ospf_topo1/rt3/step2/show_bfd_peers.ref
diff --git a/tests/topotests/bfd-ospf-topo1/rt3/zebra.conf b/tests/topotests/bfd_ospf_topo1/rt3/zebra.conf
index d368de9bbe..d368de9bbe 100644
--- a/tests/topotests/bfd-ospf-topo1/rt3/zebra.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt3/zebra.conf
diff --git a/tests/topotests/bfd-ospf-topo1/rt4/bfdd.conf b/tests/topotests/bfd_ospf_topo1/rt4/bfdd.conf
index f35e772790..f35e772790 100644
--- a/tests/topotests/bfd-ospf-topo1/rt4/bfdd.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt4/bfdd.conf
diff --git a/tests/topotests/bfd-ospf-topo1/rt4/ospf6d.conf b/tests/topotests/bfd_ospf_topo1/rt4/ospf6d.conf
index bccd1e75bd..bccd1e75bd 100644
--- a/tests/topotests/bfd-ospf-topo1/rt4/ospf6d.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt4/ospf6d.conf
diff --git a/tests/topotests/bfd-ospf-topo1/rt4/ospfd.conf b/tests/topotests/bfd_ospf_topo1/rt4/ospfd.conf
index 3a2568b4ab..3a2568b4ab 100644
--- a/tests/topotests/bfd-ospf-topo1/rt4/ospfd.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt4/ospfd.conf
diff --git a/tests/topotests/bfd-ospf-topo1/rt4/zebra.conf b/tests/topotests/bfd_ospf_topo1/rt4/zebra.conf
index 7b053bac35..7b053bac35 100644
--- a/tests/topotests/bfd-ospf-topo1/rt4/zebra.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt4/zebra.conf
diff --git a/tests/topotests/bfd-ospf-topo1/rt5/bfdd.conf b/tests/topotests/bfd_ospf_topo1/rt5/bfdd.conf
index f35e772790..f35e772790 100644
--- a/tests/topotests/bfd-ospf-topo1/rt5/bfdd.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt5/bfdd.conf
diff --git a/tests/topotests/bfd-ospf-topo1/rt5/ospf6d.conf b/tests/topotests/bfd_ospf_topo1/rt5/ospf6d.conf
index 766862276c..766862276c 100644
--- a/tests/topotests/bfd-ospf-topo1/rt5/ospf6d.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt5/ospf6d.conf
diff --git a/tests/topotests/bfd-ospf-topo1/rt5/ospfd.conf b/tests/topotests/bfd_ospf_topo1/rt5/ospfd.conf
index a35de5f45f..a35de5f45f 100644
--- a/tests/topotests/bfd-ospf-topo1/rt5/ospfd.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt5/ospfd.conf
diff --git a/tests/topotests/bfd-ospf-topo1/rt5/zebra.conf b/tests/topotests/bfd_ospf_topo1/rt5/zebra.conf
index 0b7c9e02f3..0b7c9e02f3 100644
--- a/tests/topotests/bfd-ospf-topo1/rt5/zebra.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt5/zebra.conf
diff --git a/tests/topotests/bfd-ospf-topo1/test_bfd_ospf_topo1.py b/tests/topotests/bfd_ospf_topo1/test_bfd_ospf_topo1.py
index ae148f948c..ae148f948c 100755
--- a/tests/topotests/bfd-ospf-topo1/test_bfd_ospf_topo1.py
+++ b/tests/topotests/bfd_ospf_topo1/test_bfd_ospf_topo1.py
diff --git a/tests/topotests/bfd-profiles-topo1/__init__.py b/tests/topotests/bfd_profiles_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bfd-profiles-topo1/__init__.py
+++ b/tests/topotests/bfd_profiles_topo1/__init__.py
diff --git a/tests/topotests/bfd-profiles-topo1/r1/bfd-peers-initial.json b/tests/topotests/bfd_profiles_topo1/r1/bfd-peers-initial.json
index 86a7e5139c..86a7e5139c 100644
--- a/tests/topotests/bfd-profiles-topo1/r1/bfd-peers-initial.json
+++ b/tests/topotests/bfd_profiles_topo1/r1/bfd-peers-initial.json
diff --git a/tests/topotests/bfd-profiles-topo1/r1/bfdd.conf b/tests/topotests/bfd_profiles_topo1/r1/bfdd.conf
index 688f2e839c..688f2e839c 100644
--- a/tests/topotests/bfd-profiles-topo1/r1/bfdd.conf
+++ b/tests/topotests/bfd_profiles_topo1/r1/bfdd.conf
diff --git a/tests/topotests/bfd-profiles-topo1/r1/ospfd.conf b/tests/topotests/bfd_profiles_topo1/r1/ospfd.conf
index fcea5d48fc..fcea5d48fc 100644
--- a/tests/topotests/bfd-profiles-topo1/r1/ospfd.conf
+++ b/tests/topotests/bfd_profiles_topo1/r1/ospfd.conf
diff --git a/tests/topotests/bfd-profiles-topo1/r1/zebra.conf b/tests/topotests/bfd_profiles_topo1/r1/zebra.conf
index 4b7982b235..4b7982b235 100644
--- a/tests/topotests/bfd-profiles-topo1/r1/zebra.conf
+++ b/tests/topotests/bfd_profiles_topo1/r1/zebra.conf
diff --git a/tests/topotests/bfd-profiles-topo1/r2/bfd-peers-initial.json b/tests/topotests/bfd_profiles_topo1/r2/bfd-peers-initial.json
index 503f776aec..503f776aec 100644
--- a/tests/topotests/bfd-profiles-topo1/r2/bfd-peers-initial.json
+++ b/tests/topotests/bfd_profiles_topo1/r2/bfd-peers-initial.json
diff --git a/tests/topotests/bfd-profiles-topo1/r2/bfdd.conf b/tests/topotests/bfd_profiles_topo1/r2/bfdd.conf
index 700c46ba1e..700c46ba1e 100644
--- a/tests/topotests/bfd-profiles-topo1/r2/bfdd.conf
+++ b/tests/topotests/bfd_profiles_topo1/r2/bfdd.conf
diff --git a/tests/topotests/bfd-profiles-topo1/r2/bgpd.conf b/tests/topotests/bfd_profiles_topo1/r2/bgpd.conf
index 0c3db97bc1..0c3db97bc1 100644
--- a/tests/topotests/bfd-profiles-topo1/r2/bgpd.conf
+++ b/tests/topotests/bfd_profiles_topo1/r2/bgpd.conf
diff --git a/tests/topotests/bfd-profiles-topo1/r2/zebra.conf b/tests/topotests/bfd_profiles_topo1/r2/zebra.conf
index 6acef139b9..6acef139b9 100644
--- a/tests/topotests/bfd-profiles-topo1/r2/zebra.conf
+++ b/tests/topotests/bfd_profiles_topo1/r2/zebra.conf
diff --git a/tests/topotests/bfd-profiles-topo1/r3/bfd-peers-initial.json b/tests/topotests/bfd_profiles_topo1/r3/bfd-peers-initial.json
index d987a0ae7d..d987a0ae7d 100644
--- a/tests/topotests/bfd-profiles-topo1/r3/bfd-peers-initial.json
+++ b/tests/topotests/bfd_profiles_topo1/r3/bfd-peers-initial.json
diff --git a/tests/topotests/bfd-profiles-topo1/r3/bfdd.conf b/tests/topotests/bfd_profiles_topo1/r3/bfdd.conf
index 08eb0468d6..08eb0468d6 100644
--- a/tests/topotests/bfd-profiles-topo1/r3/bfdd.conf
+++ b/tests/topotests/bfd_profiles_topo1/r3/bfdd.conf
diff --git a/tests/topotests/bfd-profiles-topo1/r3/bgpd.conf b/tests/topotests/bfd_profiles_topo1/r3/bgpd.conf
index 65647b39e5..65647b39e5 100644
--- a/tests/topotests/bfd-profiles-topo1/r3/bgpd.conf
+++ b/tests/topotests/bfd_profiles_topo1/r3/bgpd.conf
diff --git a/tests/topotests/bfd-profiles-topo1/r3/isisd.conf b/tests/topotests/bfd_profiles_topo1/r3/isisd.conf
index ca965e3956..ca965e3956 100644
--- a/tests/topotests/bfd-profiles-topo1/r3/isisd.conf
+++ b/tests/topotests/bfd_profiles_topo1/r3/isisd.conf
diff --git a/tests/topotests/bfd-profiles-topo1/r3/zebra.conf b/tests/topotests/bfd_profiles_topo1/r3/zebra.conf
index 2297bfafe9..2297bfafe9 100644
--- a/tests/topotests/bfd-profiles-topo1/r3/zebra.conf
+++ b/tests/topotests/bfd_profiles_topo1/r3/zebra.conf
diff --git a/tests/topotests/bfd-profiles-topo1/r4/bfd-peers-initial.json b/tests/topotests/bfd_profiles_topo1/r4/bfd-peers-initial.json
index 9ab7479979..9ab7479979 100644
--- a/tests/topotests/bfd-profiles-topo1/r4/bfd-peers-initial.json
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diff --git a/tests/topotests/bfd-profiles-topo1/r4/bfdd.conf b/tests/topotests/bfd_profiles_topo1/r4/bfdd.conf
index 4f5e022077..4f5e022077 100644
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diff --git a/tests/topotests/bfd-profiles-topo1/r4/bgpd.conf b/tests/topotests/bfd_profiles_topo1/r4/bgpd.conf
index 200937a9a5..200937a9a5 100644
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diff --git a/tests/topotests/bfd-profiles-topo1/r4/isisd.conf b/tests/topotests/bfd_profiles_topo1/r4/isisd.conf
index d8ffc9bc2c..d8ffc9bc2c 100644
--- a/tests/topotests/bfd-profiles-topo1/r4/isisd.conf
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diff --git a/tests/topotests/bfd-profiles-topo1/r4/ospf6d.conf b/tests/topotests/bfd_profiles_topo1/r4/ospf6d.conf
index 4ef28c39ca..4ef28c39ca 100644
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diff --git a/tests/topotests/bfd-profiles-topo1/r4/zebra.conf b/tests/topotests/bfd_profiles_topo1/r4/zebra.conf
index 753041f952..753041f952 100644
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diff --git a/tests/topotests/bfd-profiles-topo1/r5/bfd-peers-initial.json b/tests/topotests/bfd_profiles_topo1/r5/bfd-peers-initial.json
index 0fe56d576b..0fe56d576b 100644
--- a/tests/topotests/bfd-profiles-topo1/r5/bfd-peers-initial.json
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diff --git a/tests/topotests/bfd-profiles-topo1/r5/bfdd.conf b/tests/topotests/bfd_profiles_topo1/r5/bfdd.conf
index 74dae5a60d..74dae5a60d 100644
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diff --git a/tests/topotests/bfd-profiles-topo1/r5/ospf6d.conf b/tests/topotests/bfd_profiles_topo1/r5/ospf6d.conf
index 20b53cfc55..20b53cfc55 100644
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diff --git a/tests/topotests/bfd-profiles-topo1/r5/zebra.conf b/tests/topotests/bfd_profiles_topo1/r5/zebra.conf
index de8ae1644b..de8ae1644b 100644
--- a/tests/topotests/bfd-profiles-topo1/r5/zebra.conf
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diff --git a/tests/topotests/bfd-profiles-topo1/r6/bfd-peers-initial.json b/tests/topotests/bfd_profiles_topo1/r6/bfd-peers-initial.json
index ec973eb365..ec973eb365 100644
--- a/tests/topotests/bfd-profiles-topo1/r6/bfd-peers-initial.json
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index 74dae5a60d..74dae5a60d 100644
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diff --git a/tests/topotests/bfd-profiles-topo1/r6/ospfd.conf b/tests/topotests/bfd_profiles_topo1/r6/ospfd.conf
index d8fce344a8..d8fce344a8 100644
--- a/tests/topotests/bfd-profiles-topo1/r6/ospfd.conf
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diff --git a/tests/topotests/bfd-profiles-topo1/r6/zebra.conf b/tests/topotests/bfd_profiles_topo1/r6/zebra.conf
index c0804b94a7..c0804b94a7 100644
--- a/tests/topotests/bfd-profiles-topo1/r6/zebra.conf
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diff --git a/tests/topotests/bfd-profiles-topo1/test_bfd_profiles_topo1.dot b/tests/topotests/bfd_profiles_topo1/test_bfd_profiles_topo1.dot
index a3936093aa..a3936093aa 100644
--- a/tests/topotests/bfd-profiles-topo1/test_bfd_profiles_topo1.dot
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diff --git a/tests/topotests/bfd-profiles-topo1/test_bfd_profiles_topo1.png b/tests/topotests/bfd_profiles_topo1/test_bfd_profiles_topo1.png
index 775fae13f1..775fae13f1 100644
--- a/tests/topotests/bfd-profiles-topo1/test_bfd_profiles_topo1.png
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diff --git a/tests/topotests/bfd-profiles-topo1/test_bfd_profiles_topo1.py b/tests/topotests/bfd_profiles_topo1/test_bfd_profiles_topo1.py
index 4a2c8ee002..4a2c8ee002 100644
--- a/tests/topotests/bfd-profiles-topo1/test_bfd_profiles_topo1.py
+++ b/tests/topotests/bfd_profiles_topo1/test_bfd_profiles_topo1.py
diff --git a/tests/topotests/bfd-topo1/__init__.py b/tests/topotests/bfd_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bfd-topo1/__init__.py
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diff --git a/tests/topotests/bfd-topo1/r1/bfdd.conf b/tests/topotests/bfd_topo1/r1/bfdd.conf
index 4102000337..4102000337 100644
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diff --git a/tests/topotests/bfd-topo1/r1/bgp_prefixes.json b/tests/topotests/bfd_topo1/r1/bgp_prefixes.json
index 1262f5e984..1262f5e984 100644
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diff --git a/tests/topotests/bfd-topo1/r1/bgp_summary.json b/tests/topotests/bfd_topo1/r1/bgp_summary.json
index fa07d60df9..fa07d60df9 100644
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diff --git a/tests/topotests/bfd-topo1/r1/bgpd.conf b/tests/topotests/bfd_topo1/r1/bgpd.conf
index 57bde1f234..57bde1f234 100644
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diff --git a/tests/topotests/bfd-topo1/r1/peers.json b/tests/topotests/bfd_topo1/r1/peers.json
index f49768ff75..f49768ff75 100644
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diff --git a/tests/topotests/bfd-topo1/r1/zebra.conf b/tests/topotests/bfd_topo1/r1/zebra.conf
index a14cd7ac88..a14cd7ac88 100644
--- a/tests/topotests/bfd-topo1/r1/zebra.conf
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diff --git a/tests/topotests/bfd-topo1/r2/bfdd.conf b/tests/topotests/bfd_topo1/r2/bfdd.conf
index 412450ca1e..412450ca1e 100644
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diff --git a/tests/topotests/bfd-topo1/r2/bgp_prefixes.json b/tests/topotests/bfd_topo1/r2/bgp_prefixes.json
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diff --git a/tests/topotests/bfd-topo1/r2/peers.json b/tests/topotests/bfd_topo1/r2/peers.json
index 267459c7a8..267459c7a8 100644
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diff --git a/tests/topotests/bfd-topo1/r2/zebra.conf b/tests/topotests/bfd_topo1/r2/zebra.conf
index 568abe751e..568abe751e 100644
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diff --git a/tests/topotests/bfd-topo1/r3/bfdd.conf b/tests/topotests/bfd_topo1/r3/bfdd.conf
index 4cf20bb904..4cf20bb904 100644
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diff --git a/tests/topotests/bfd-topo1/r3/bgp_prefixes.json b/tests/topotests/bfd_topo1/r3/bgp_prefixes.json
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diff --git a/tests/topotests/bfd-topo1/r3/bgp_summary.json b/tests/topotests/bfd_topo1/r3/bgp_summary.json
index d47833377b..d47833377b 100644
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index ce6055d518..ce6055d518 100644
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diff --git a/tests/topotests/bfd-topo1/r3/peers.json b/tests/topotests/bfd_topo1/r3/peers.json
index ef38008643..ef38008643 100644
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diff --git a/tests/topotests/bfd-topo1/r3/zebra.conf b/tests/topotests/bfd_topo1/r3/zebra.conf
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diff --git a/tests/topotests/bfd-topo1/r4/peers.json b/tests/topotests/bfd_topo1/r4/peers.json
index 37140089e1..37140089e1 100644
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diff --git a/tests/topotests/bfd-topo1/r4/zebra.conf b/tests/topotests/bfd_topo1/r4/zebra.conf
index afdd44b1ab..afdd44b1ab 100644
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index 86bdcfed04..86bdcfed04 100644
--- a/tests/topotests/bfd-topo1/test_bfd_topo1.py
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diff --git a/tests/topotests/bfd-topo2/__init__.py b/tests/topotests/bfd_topo2/__init__.py
index e69de29bb2..e69de29bb2 100644
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diff --git a/tests/topotests/bfd-topo2/r1/ipv4_routes.json b/tests/topotests/bfd_topo2/r1/ipv4_routes.json
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diff --git a/tests/topotests/bfd-topo2/r1/ipv6_routes.json b/tests/topotests/bfd_topo2/r1/ipv6_routes.json
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diff --git a/tests/topotests/bfd-topo2/r1/zebra.conf b/tests/topotests/bfd_topo2/r1/zebra.conf
index 7fe5eb218f..7fe5eb218f 100644
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diff --git a/tests/topotests/bfd-topo2/r2/ipv4_routes.json b/tests/topotests/bfd_topo2/r2/ipv4_routes.json
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index cccbf6574a..cccbf6574a 100644
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diff --git a/tests/topotests/bfd-topo2/r3/peers.json b/tests/topotests/bfd_topo2/r3/peers.json
index c19c980338..c19c980338 100644
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index 96fd08c729..96fd08c729 100644
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index 0173dc9be2..0173dc9be2 100644
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diff --git a/tests/topotests/bfd-topo2/r4/ipv4_routes.json b/tests/topotests/bfd_topo2/r4/ipv4_routes.json
index dc394aa891..dc394aa891 100644
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diff --git a/tests/topotests/bfd-topo2/r4/ipv6_routes.json b/tests/topotests/bfd_topo2/r4/ipv6_routes.json
index c828575c84..c828575c84 100644
--- a/tests/topotests/bfd-topo2/r4/ipv6_routes.json
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diff --git a/tests/topotests/bfd-topo2/r4/ospf6d.conf b/tests/topotests/bfd_topo2/r4/ospf6d.conf
index 57f7f6c079..57f7f6c079 100644
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diff --git a/tests/topotests/bfd-topo2/r4/peers.json b/tests/topotests/bfd_topo2/r4/peers.json
index dd26b9b580..dd26b9b580 100644
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diff --git a/tests/topotests/bfd-topo2/r4/zebra.conf b/tests/topotests/bfd_topo2/r4/zebra.conf
index e4f8fd8514..e4f8fd8514 100644
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diff --git a/tests/topotests/bfd-topo2/test_bfd_topo2.dot b/tests/topotests/bfd_topo2/test_bfd_topo2.dot
index 6b68fb398f..6b68fb398f 100644
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index 35fe562a80..35fe562a80 100644
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diff --git a/tests/topotests/bfd-topo2/test_bfd_topo2.py b/tests/topotests/bfd_topo2/test_bfd_topo2.py
index e85b2644dd..e85b2644dd 100644
--- a/tests/topotests/bfd-topo2/test_bfd_topo2.py
+++ b/tests/topotests/bfd_topo2/test_bfd_topo2.py
diff --git a/tests/topotests/bfd-topo3/__init__.py b/tests/topotests/bfd_topo3/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bfd-topo3/__init__.py
+++ b/tests/topotests/bfd_topo3/__init__.py
diff --git a/tests/topotests/bfd-topo3/r1/bfd-peers.json b/tests/topotests/bfd_topo3/r1/bfd-peers.json
index f8a354fc20..f8a354fc20 100644
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index 4c75d669c5..4c75d669c5 100644
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diff --git a/tests/topotests/bfd-topo3/r1/zebra.conf b/tests/topotests/bfd_topo3/r1/zebra.conf
index 64aee48436..64aee48436 100644
--- a/tests/topotests/bfd-topo3/r1/zebra.conf
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diff --git a/tests/topotests/bfd-topo3/r2/bfd-peers.json b/tests/topotests/bfd_topo3/r2/bfd-peers.json
index 786d66dbe3..786d66dbe3 100644
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index 75225765e1..75225765e1 100644
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diff --git a/tests/topotests/bfd-topo3/r2/zebra.conf b/tests/topotests/bfd_topo3/r2/zebra.conf
index c7e22d4804..c7e22d4804 100644
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diff --git a/tests/topotests/bfd-topo3/r3/bfd-peers.json b/tests/topotests/bfd_topo3/r3/bfd-peers.json
index 1f58663a4e..1f58663a4e 100644
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diff --git a/tests/topotests/bfd-topo3/r3/zebra.conf b/tests/topotests/bfd_topo3/r3/zebra.conf
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diff --git a/tests/topotests/bfd-topo3/r4/bfd-peers.json b/tests/topotests/bfd_topo3/r4/bfd-peers.json
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diff --git a/tests/topotests/bfd-topo3/r4/zebra.conf b/tests/topotests/bfd_topo3/r4/zebra.conf
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diff --git a/tests/topotests/bfd-topo3/test_bfd_topo3.py b/tests/topotests/bfd_topo3/test_bfd_topo3.py
index 6bb223e203..6bb223e203 100644
--- a/tests/topotests/bfd-topo3/test_bfd_topo3.py
+++ b/tests/topotests/bfd_topo3/test_bfd_topo3.py
diff --git a/tests/topotests/bfd-vrf-topo1/__init__.py b/tests/topotests/bfd_vrf_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bfd-vrf-topo1/__init__.py
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diff --git a/tests/topotests/bfd-vrf-topo1/r1/bfdd.conf b/tests/topotests/bfd_vrf_topo1/r1/bfdd.conf
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diff --git a/tests/topotests/bfd-vrf-topo1/r1/bgp_prefixes.json b/tests/topotests/bfd_vrf_topo1/r1/bgp_prefixes.json
index 1262f5e984..1262f5e984 100644
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diff --git a/tests/topotests/bfd-vrf-topo1/r1/bgp_summary.json b/tests/topotests/bfd_vrf_topo1/r1/bgp_summary.json
index fa07d60df9..fa07d60df9 100644
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diff --git a/tests/topotests/bfd-vrf-topo1/r1/peers.json b/tests/topotests/bfd_vrf_topo1/r1/peers.json
index f49768ff75..f49768ff75 100644
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diff --git a/tests/topotests/bfd-vrf-topo1/r1/zebra.conf b/tests/topotests/bfd_vrf_topo1/r1/zebra.conf
index fcd1e7db17..fcd1e7db17 100644
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diff --git a/tests/topotests/bfd-vrf-topo1/r2/bfdd.conf b/tests/topotests/bfd_vrf_topo1/r2/bfdd.conf
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diff --git a/tests/topotests/bfd-vrf-topo1/r2/bgp_prefixes.json b/tests/topotests/bfd_vrf_topo1/r2/bgp_prefixes.json
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diff --git a/tests/topotests/bfd-vrf-topo1/test_bfd_vrf_topo1.py b/tests/topotests/bfd_vrf_topo1/test_bfd_vrf_topo1.py
index 8a1ffe085d..8a1ffe085d 100644
--- a/tests/topotests/bfd-vrf-topo1/test_bfd_vrf_topo1.py
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diff --git a/tests/topotests/bgp-aggregator-zero/__init__.py b/tests/topotests/bgp_aggregate_address_origin/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp-aggregator-zero/__init__.py
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--- a/tests/topotests/bgp_aggregate-address_origin/r2/bgpd.conf
+++ b/tests/topotests/bgp_aggregate_address_origin/r2/bgpd.conf
diff --git a/tests/topotests/bgp-default-ipv4-ipv6-unicast/r2/zebra.conf b/tests/topotests/bgp_aggregate_address_origin/r2/zebra.conf
index 606c17bec9..606c17bec9 100644
--- a/tests/topotests/bgp-default-ipv4-ipv6-unicast/r2/zebra.conf
+++ b/tests/topotests/bgp_aggregate_address_origin/r2/zebra.conf
diff --git a/tests/topotests/bgp_aggregate-address_origin/test_bgp_aggregate-address_origin.py b/tests/topotests/bgp_aggregate_address_origin/test_bgp_aggregate-address_origin.py
index be07fab87b..be07fab87b 100644
--- a/tests/topotests/bgp_aggregate-address_origin/test_bgp_aggregate-address_origin.py
+++ b/tests/topotests/bgp_aggregate_address_origin/test_bgp_aggregate-address_origin.py
diff --git a/tests/topotests/bgp-basic-functionality-topo1/__init__.py b/tests/topotests/bgp_aggregate_address_route_map/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp-basic-functionality-topo1/__init__.py
+++ b/tests/topotests/bgp_aggregate_address_route_map/__init__.py
diff --git a/tests/topotests/bgp_aggregate-address_route-map/r1/bgpd.conf b/tests/topotests/bgp_aggregate_address_route_map/r1/bgpd.conf
index 7fb55cf001..7fb55cf001 100644
--- a/tests/topotests/bgp_aggregate-address_route-map/r1/bgpd.conf
+++ b/tests/topotests/bgp_aggregate_address_route_map/r1/bgpd.conf
diff --git a/tests/topotests/bgp_aggregate-address_route-map/r1/zebra.conf b/tests/topotests/bgp_aggregate_address_route_map/r1/zebra.conf
index 0a283c06d5..0a283c06d5 100644
--- a/tests/topotests/bgp_aggregate-address_route-map/r1/zebra.conf
+++ b/tests/topotests/bgp_aggregate_address_route_map/r1/zebra.conf
diff --git a/tests/topotests/bgp_aggregate-address_route-map/r2/bgpd.conf b/tests/topotests/bgp_aggregate_address_route_map/r2/bgpd.conf
index b2d945583c..b2d945583c 100644
--- a/tests/topotests/bgp_aggregate-address_route-map/r2/bgpd.conf
+++ b/tests/topotests/bgp_aggregate_address_route_map/r2/bgpd.conf
diff --git a/tests/topotests/bgp_aggregate-address_origin/r2/zebra.conf b/tests/topotests/bgp_aggregate_address_route_map/r2/zebra.conf
index 606c17bec9..606c17bec9 100644
--- a/tests/topotests/bgp_aggregate-address_origin/r2/zebra.conf
+++ b/tests/topotests/bgp_aggregate_address_route_map/r2/zebra.conf
diff --git a/tests/topotests/bgp_aggregate-address_route-map/test_bgp_aggregate-address_route-map.py b/tests/topotests/bgp_aggregate_address_route_map/test_bgp_aggregate-address_route-map.py
index 484f40251f..484f40251f 100644
--- a/tests/topotests/bgp_aggregate-address_route-map/test_bgp_aggregate-address_route-map.py
+++ b/tests/topotests/bgp_aggregate_address_route_map/test_bgp_aggregate-address_route-map.py
diff --git a/tests/topotests/bgp-community-alias/__init__.py b/tests/topotests/bgp_aggregator_zero/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp-community-alias/__init__.py
+++ b/tests/topotests/bgp_aggregator_zero/__init__.py
diff --git a/tests/topotests/bgp-aggregator-zero/exabgp.env b/tests/topotests/bgp_aggregator_zero/exabgp.env
index 28e642360a..28e642360a 100644
--- a/tests/topotests/bgp-aggregator-zero/exabgp.env
+++ b/tests/topotests/bgp_aggregator_zero/exabgp.env
diff --git a/tests/topotests/bgp-aggregator-zero/peer1/exabgp.cfg b/tests/topotests/bgp_aggregator_zero/peer1/exabgp.cfg
index b3f25272d2..b3f25272d2 100644
--- a/tests/topotests/bgp-aggregator-zero/peer1/exabgp.cfg
+++ b/tests/topotests/bgp_aggregator_zero/peer1/exabgp.cfg
diff --git a/tests/topotests/bgp-aggregator-zero/r1/bgpd.conf b/tests/topotests/bgp_aggregator_zero/r1/bgpd.conf
index 002a5c78c0..002a5c78c0 100644
--- a/tests/topotests/bgp-aggregator-zero/r1/bgpd.conf
+++ b/tests/topotests/bgp_aggregator_zero/r1/bgpd.conf
diff --git a/tests/topotests/bgp-aggregator-zero/r1/zebra.conf b/tests/topotests/bgp_aggregator_zero/r1/zebra.conf
index 22a26ac610..22a26ac610 100644
--- a/tests/topotests/bgp-aggregator-zero/r1/zebra.conf
+++ b/tests/topotests/bgp_aggregator_zero/r1/zebra.conf
diff --git a/tests/topotests/bgp-aggregator-zero/test_bgp_aggregator_zero.py b/tests/topotests/bgp_aggregator_zero/test_bgp_aggregator_zero.py
index c4bbdce2c3..c4bbdce2c3 100644
--- a/tests/topotests/bgp-aggregator-zero/test_bgp_aggregator_zero.py
+++ b/tests/topotests/bgp_aggregator_zero/test_bgp_aggregator_zero.py
diff --git a/tests/topotests/bgp-auth/R1/bgpd.conf b/tests/topotests/bgp_auth/R1/bgpd.conf
index 1cb26c6537..1cb26c6537 100644
--- a/tests/topotests/bgp-auth/R1/bgpd.conf
+++ b/tests/topotests/bgp_auth/R1/bgpd.conf
diff --git a/tests/topotests/bgp-auth/R1/bgpd_multi_vrf.conf b/tests/topotests/bgp_auth/R1/bgpd_multi_vrf.conf
index dde3c090b5..dde3c090b5 100644
--- a/tests/topotests/bgp-auth/R1/bgpd_multi_vrf.conf
+++ b/tests/topotests/bgp_auth/R1/bgpd_multi_vrf.conf
diff --git a/tests/topotests/bgp-auth/R1/bgpd_multi_vrf_prefix.conf b/tests/topotests/bgp_auth/R1/bgpd_multi_vrf_prefix.conf
index 7e15720c7e..7e15720c7e 100644
--- a/tests/topotests/bgp-auth/R1/bgpd_multi_vrf_prefix.conf
+++ b/tests/topotests/bgp_auth/R1/bgpd_multi_vrf_prefix.conf
diff --git a/tests/topotests/bgp-auth/R1/bgpd_prefix.conf b/tests/topotests/bgp_auth/R1/bgpd_prefix.conf
index 9200b0501d..9200b0501d 100644
--- a/tests/topotests/bgp-auth/R1/bgpd_prefix.conf
+++ b/tests/topotests/bgp_auth/R1/bgpd_prefix.conf
diff --git a/tests/topotests/bgp-auth/R1/bgpd_vrf.conf b/tests/topotests/bgp_auth/R1/bgpd_vrf.conf
index 781f906d3a..781f906d3a 100644
--- a/tests/topotests/bgp-auth/R1/bgpd_vrf.conf
+++ b/tests/topotests/bgp_auth/R1/bgpd_vrf.conf
diff --git a/tests/topotests/bgp-auth/R1/bgpd_vrf_prefix.conf b/tests/topotests/bgp_auth/R1/bgpd_vrf_prefix.conf
index d68951b406..d68951b406 100644
--- a/tests/topotests/bgp-auth/R1/bgpd_vrf_prefix.conf
+++ b/tests/topotests/bgp_auth/R1/bgpd_vrf_prefix.conf
diff --git a/tests/topotests/bgp-auth/R1/ospfd.conf b/tests/topotests/bgp_auth/R1/ospfd.conf
index 79eb0e33da..79eb0e33da 100644
--- a/tests/topotests/bgp-auth/R1/ospfd.conf
+++ b/tests/topotests/bgp_auth/R1/ospfd.conf
diff --git a/tests/topotests/bgp-auth/R1/ospfd_multi_vrf.conf b/tests/topotests/bgp_auth/R1/ospfd_multi_vrf.conf
index e2a28000b8..e2a28000b8 100644
--- a/tests/topotests/bgp-auth/R1/ospfd_multi_vrf.conf
+++ b/tests/topotests/bgp_auth/R1/ospfd_multi_vrf.conf
diff --git a/tests/topotests/bgp-auth/R1/ospfd_vrf.conf b/tests/topotests/bgp_auth/R1/ospfd_vrf.conf
index 0b7fbae8c4..0b7fbae8c4 100644
--- a/tests/topotests/bgp-auth/R1/ospfd_vrf.conf
+++ b/tests/topotests/bgp_auth/R1/ospfd_vrf.conf
diff --git a/tests/topotests/bgp-auth/R1/zebra.conf b/tests/topotests/bgp_auth/R1/zebra.conf
index a0b062c44c..a0b062c44c 100644
--- a/tests/topotests/bgp-auth/R1/zebra.conf
+++ b/tests/topotests/bgp_auth/R1/zebra.conf
diff --git a/tests/topotests/bgp-auth/R2/bgpd.conf b/tests/topotests/bgp_auth/R2/bgpd.conf
index fa2a570ef9..fa2a570ef9 100644
--- a/tests/topotests/bgp-auth/R2/bgpd.conf
+++ b/tests/topotests/bgp_auth/R2/bgpd.conf
diff --git a/tests/topotests/bgp-auth/R2/bgpd_multi_vrf.conf b/tests/topotests/bgp_auth/R2/bgpd_multi_vrf.conf
index d5f70edf68..d5f70edf68 100644
--- a/tests/topotests/bgp-auth/R2/bgpd_multi_vrf.conf
+++ b/tests/topotests/bgp_auth/R2/bgpd_multi_vrf.conf
diff --git a/tests/topotests/bgp-auth/R2/bgpd_multi_vrf_prefix.conf b/tests/topotests/bgp_auth/R2/bgpd_multi_vrf_prefix.conf
index d5f70edf68..d5f70edf68 100644
--- a/tests/topotests/bgp-auth/R2/bgpd_multi_vrf_prefix.conf
+++ b/tests/topotests/bgp_auth/R2/bgpd_multi_vrf_prefix.conf
diff --git a/tests/topotests/bgp-auth/R2/bgpd_prefix.conf b/tests/topotests/bgp_auth/R2/bgpd_prefix.conf
index fa2a570ef9..fa2a570ef9 100644
--- a/tests/topotests/bgp-auth/R2/bgpd_prefix.conf
+++ b/tests/topotests/bgp_auth/R2/bgpd_prefix.conf
diff --git a/tests/topotests/bgp-auth/R2/bgpd_vrf.conf b/tests/topotests/bgp_auth/R2/bgpd_vrf.conf
index d1f3847420..d1f3847420 100644
--- a/tests/topotests/bgp-auth/R2/bgpd_vrf.conf
+++ b/tests/topotests/bgp_auth/R2/bgpd_vrf.conf
diff --git a/tests/topotests/bgp-auth/R2/bgpd_vrf_prefix.conf b/tests/topotests/bgp_auth/R2/bgpd_vrf_prefix.conf
index d1f3847420..d1f3847420 100644
--- a/tests/topotests/bgp-auth/R2/bgpd_vrf_prefix.conf
+++ b/tests/topotests/bgp_auth/R2/bgpd_vrf_prefix.conf
diff --git a/tests/topotests/bgp-auth/R2/ospfd.conf b/tests/topotests/bgp_auth/R2/ospfd.conf
index 028b546a0c..028b546a0c 100644
--- a/tests/topotests/bgp-auth/R2/ospfd.conf
+++ b/tests/topotests/bgp_auth/R2/ospfd.conf
diff --git a/tests/topotests/bgp-auth/R2/ospfd_multi_vrf.conf b/tests/topotests/bgp_auth/R2/ospfd_multi_vrf.conf
index a05dfb8e41..a05dfb8e41 100644
--- a/tests/topotests/bgp-auth/R2/ospfd_multi_vrf.conf
+++ b/tests/topotests/bgp_auth/R2/ospfd_multi_vrf.conf
diff --git a/tests/topotests/bgp-auth/R2/ospfd_vrf.conf b/tests/topotests/bgp_auth/R2/ospfd_vrf.conf
index b198d352e2..b198d352e2 100644
--- a/tests/topotests/bgp-auth/R2/ospfd_vrf.conf
+++ b/tests/topotests/bgp_auth/R2/ospfd_vrf.conf
diff --git a/tests/topotests/bgp-auth/R2/zebra.conf b/tests/topotests/bgp_auth/R2/zebra.conf
index fed4c27c16..fed4c27c16 100644
--- a/tests/topotests/bgp-auth/R2/zebra.conf
+++ b/tests/topotests/bgp_auth/R2/zebra.conf
diff --git a/tests/topotests/bgp-auth/R3/bgpd.conf b/tests/topotests/bgp_auth/R3/bgpd.conf
index deccfd418b..deccfd418b 100644
--- a/tests/topotests/bgp-auth/R3/bgpd.conf
+++ b/tests/topotests/bgp_auth/R3/bgpd.conf
diff --git a/tests/topotests/bgp-auth/R3/bgpd_multi_vrf.conf b/tests/topotests/bgp_auth/R3/bgpd_multi_vrf.conf
index fe3e64d8d5..fe3e64d8d5 100644
--- a/tests/topotests/bgp-auth/R3/bgpd_multi_vrf.conf
+++ b/tests/topotests/bgp_auth/R3/bgpd_multi_vrf.conf
diff --git a/tests/topotests/bgp-auth/R3/bgpd_multi_vrf_prefix.conf b/tests/topotests/bgp_auth/R3/bgpd_multi_vrf_prefix.conf
index fe3e64d8d5..fe3e64d8d5 100644
--- a/tests/topotests/bgp-auth/R3/bgpd_multi_vrf_prefix.conf
+++ b/tests/topotests/bgp_auth/R3/bgpd_multi_vrf_prefix.conf
diff --git a/tests/topotests/bgp-auth/R3/bgpd_prefix.conf b/tests/topotests/bgp_auth/R3/bgpd_prefix.conf
index deccfd418b..deccfd418b 100644
--- a/tests/topotests/bgp-auth/R3/bgpd_prefix.conf
+++ b/tests/topotests/bgp_auth/R3/bgpd_prefix.conf
diff --git a/tests/topotests/bgp-auth/R3/bgpd_vrf.conf b/tests/topotests/bgp_auth/R3/bgpd_vrf.conf
index c109aa801b..c109aa801b 100644
--- a/tests/topotests/bgp-auth/R3/bgpd_vrf.conf
+++ b/tests/topotests/bgp_auth/R3/bgpd_vrf.conf
diff --git a/tests/topotests/bgp-auth/R3/bgpd_vrf_prefix.conf b/tests/topotests/bgp_auth/R3/bgpd_vrf_prefix.conf
index c109aa801b..c109aa801b 100644
--- a/tests/topotests/bgp-auth/R3/bgpd_vrf_prefix.conf
+++ b/tests/topotests/bgp_auth/R3/bgpd_vrf_prefix.conf
diff --git a/tests/topotests/bgp-auth/R3/ospfd.conf b/tests/topotests/bgp_auth/R3/ospfd.conf
index 0f0a2e926a..0f0a2e926a 100644
--- a/tests/topotests/bgp-auth/R3/ospfd.conf
+++ b/tests/topotests/bgp_auth/R3/ospfd.conf
diff --git a/tests/topotests/bgp-auth/R3/ospfd_multi_vrf.conf b/tests/topotests/bgp_auth/R3/ospfd_multi_vrf.conf
index f32d2a8423..f32d2a8423 100644
--- a/tests/topotests/bgp-auth/R3/ospfd_multi_vrf.conf
+++ b/tests/topotests/bgp_auth/R3/ospfd_multi_vrf.conf
diff --git a/tests/topotests/bgp-auth/R3/ospfd_vrf.conf b/tests/topotests/bgp_auth/R3/ospfd_vrf.conf
index 6465b635aa..6465b635aa 100644
--- a/tests/topotests/bgp-auth/R3/ospfd_vrf.conf
+++ b/tests/topotests/bgp_auth/R3/ospfd_vrf.conf
diff --git a/tests/topotests/bgp-auth/R3/zebra.conf b/tests/topotests/bgp_auth/R3/zebra.conf
index d49c98b168..d49c98b168 100644
--- a/tests/topotests/bgp-auth/R3/zebra.conf
+++ b/tests/topotests/bgp_auth/R3/zebra.conf
diff --git a/tests/topotests/bgp-auth/test_bgp_auth.py b/tests/topotests/bgp_auth/test_bgp_auth.py
index 521ca332d0..b2cdef1c93 100644
--- a/tests/topotests/bgp-auth/test_bgp_auth.py
+++ b/tests/topotests/bgp_auth/test_bgp_auth.py
@@ -357,9 +357,10 @@ def check_neigh_state(router, peer, state, vrf=""):
                 "show bgp vrf {} neighbors {} json".format(vrf, peer)
             )
         neigh_output_json = json.loads(neigh_output)
-        if neigh_output_json[peer]["bgpState"] == state:
-            matched = True
-            break
+        if peer in neigh_output_json.keys():
+            if neigh_output_json[peer]["bgpState"] == state:
+                matched = True
+                break
         count += 1
         sleep(1)
 
diff --git a/tests/topotests/bgp-default-ipv4-ipv6-unicast/__init__.py b/tests/topotests/bgp_basic_functionality_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp-default-ipv4-ipv6-unicast/__init__.py
+++ b/tests/topotests/bgp_basic_functionality_topo1/__init__.py
diff --git a/tests/topotests/bgp-basic-functionality-topo1/bgp_basic_functionality.json b/tests/topotests/bgp_basic_functionality_topo1/bgp_basic_functionality.json
index ee1f1b74c0..ee1f1b74c0 100644
--- a/tests/topotests/bgp-basic-functionality-topo1/bgp_basic_functionality.json
+++ b/tests/topotests/bgp_basic_functionality_topo1/bgp_basic_functionality.json
diff --git a/tests/topotests/bgp-basic-functionality-topo1/test_bgp_basic_functionality.py b/tests/topotests/bgp_basic_functionality_topo1/test_bgp_basic_functionality.py
index 374cce21f6..374cce21f6 100644
--- a/tests/topotests/bgp-basic-functionality-topo1/test_bgp_basic_functionality.py
+++ b/tests/topotests/bgp_basic_functionality_topo1/test_bgp_basic_functionality.py
diff --git a/tests/topotests/bgp-ebgp-common-subnet-nexthop-unchanged/__init__.py b/tests/topotests/bgp_comm_list_delete/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp-ebgp-common-subnet-nexthop-unchanged/__init__.py
+++ b/tests/topotests/bgp_comm_list_delete/__init__.py
diff --git a/tests/topotests/bgp_comm-list_delete/r1/bgpd.conf b/tests/topotests/bgp_comm_list_delete/r1/bgpd.conf
index 12161d2fa2..12161d2fa2 100644
--- a/tests/topotests/bgp_comm-list_delete/r1/bgpd.conf
+++ b/tests/topotests/bgp_comm_list_delete/r1/bgpd.conf
diff --git a/tests/topotests/bgp_comm-list_delete/r1/zebra.conf b/tests/topotests/bgp_comm_list_delete/r1/zebra.conf
index 0a283c06d5..0a283c06d5 100644
--- a/tests/topotests/bgp_comm-list_delete/r1/zebra.conf
+++ b/tests/topotests/bgp_comm_list_delete/r1/zebra.conf
diff --git a/tests/topotests/bgp_comm-list_delete/r2/bgpd.conf b/tests/topotests/bgp_comm_list_delete/r2/bgpd.conf
index 33231b5274..33231b5274 100644
--- a/tests/topotests/bgp_comm-list_delete/r2/bgpd.conf
+++ b/tests/topotests/bgp_comm_list_delete/r2/bgpd.conf
diff --git a/tests/topotests/bgp_aggregate-address_route-map/r2/zebra.conf b/tests/topotests/bgp_comm_list_delete/r2/zebra.conf
index 606c17bec9..606c17bec9 100644
--- a/tests/topotests/bgp_aggregate-address_route-map/r2/zebra.conf
+++ b/tests/topotests/bgp_comm_list_delete/r2/zebra.conf
diff --git a/tests/topotests/bgp_comm-list_delete/test_bgp_comm-list_delete.py b/tests/topotests/bgp_comm_list_delete/test_bgp_comm-list_delete.py
index 81bf8da31a..81bf8da31a 100644
--- a/tests/topotests/bgp_comm-list_delete/test_bgp_comm-list_delete.py
+++ b/tests/topotests/bgp_comm_list_delete/test_bgp_comm-list_delete.py
diff --git a/tests/topotests/bgp-ecmp-topo1/__init__.py b/tests/topotests/bgp_community_alias/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp-ecmp-topo1/__init__.py
+++ b/tests/topotests/bgp_community_alias/__init__.py
diff --git a/tests/topotests/bgp-community-alias/r1/bgpd.conf b/tests/topotests/bgp_community_alias/r1/bgpd.conf
index 2cf84d0b70..2cf84d0b70 100644
--- a/tests/topotests/bgp-community-alias/r1/bgpd.conf
+++ b/tests/topotests/bgp_community_alias/r1/bgpd.conf
diff --git a/tests/topotests/bgp-community-alias/r1/zebra.conf b/tests/topotests/bgp_community_alias/r1/zebra.conf
index b29940f46a..b29940f46a 100644
--- a/tests/topotests/bgp-community-alias/r1/zebra.conf
+++ b/tests/topotests/bgp_community_alias/r1/zebra.conf
diff --git a/tests/topotests/bgp-community-alias/r2/bgpd.conf b/tests/topotests/bgp_community_alias/r2/bgpd.conf
index 517ef70f2a..517ef70f2a 100644
--- a/tests/topotests/bgp-community-alias/r2/bgpd.conf
+++ b/tests/topotests/bgp_community_alias/r2/bgpd.conf
diff --git a/tests/topotests/bgp-community-alias/r2/zebra.conf b/tests/topotests/bgp_community_alias/r2/zebra.conf
index cffe827363..cffe827363 100644
--- a/tests/topotests/bgp-community-alias/r2/zebra.conf
+++ b/tests/topotests/bgp_community_alias/r2/zebra.conf
diff --git a/tests/topotests/bgp-community-alias/test_bgp-community-alias.py b/tests/topotests/bgp_community_alias/test_bgp-community-alias.py
index a43e5f937e..a43e5f937e 100644
--- a/tests/topotests/bgp-community-alias/test_bgp-community-alias.py
+++ b/tests/topotests/bgp_community_alias/test_bgp-community-alias.py
diff --git a/tests/topotests/bgp-evpn-vxlan_topo1/__init__.py b/tests/topotests/bgp_default_ipv4_ipv6_unicast/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp-evpn-vxlan_topo1/__init__.py
+++ b/tests/topotests/bgp_default_ipv4_ipv6_unicast/__init__.py
diff --git a/tests/topotests/bgp-default-ipv4-ipv6-unicast/r1/bgpd.conf b/tests/topotests/bgp_default_ipv4_ipv6_unicast/r1/bgpd.conf
index bf39152ea8..bf39152ea8 100644
--- a/tests/topotests/bgp-default-ipv4-ipv6-unicast/r1/bgpd.conf
+++ b/tests/topotests/bgp_default_ipv4_ipv6_unicast/r1/bgpd.conf
diff --git a/tests/topotests/bgp-default-ipv4-ipv6-unicast/r1/zebra.conf b/tests/topotests/bgp_default_ipv4_ipv6_unicast/r1/zebra.conf
index 697765168d..697765168d 100644
--- a/tests/topotests/bgp-default-ipv4-ipv6-unicast/r1/zebra.conf
+++ b/tests/topotests/bgp_default_ipv4_ipv6_unicast/r1/zebra.conf
diff --git a/tests/topotests/bgp-default-ipv4-ipv6-unicast/r2/bgpd.conf b/tests/topotests/bgp_default_ipv4_ipv6_unicast/r2/bgpd.conf
index abbd1b86fa..abbd1b86fa 100644
--- a/tests/topotests/bgp-default-ipv4-ipv6-unicast/r2/bgpd.conf
+++ b/tests/topotests/bgp_default_ipv4_ipv6_unicast/r2/bgpd.conf
diff --git a/tests/topotests/bgp_comm-list_delete/r2/zebra.conf b/tests/topotests/bgp_default_ipv4_ipv6_unicast/r2/zebra.conf
index 606c17bec9..606c17bec9 100644
--- a/tests/topotests/bgp_comm-list_delete/r2/zebra.conf
+++ b/tests/topotests/bgp_default_ipv4_ipv6_unicast/r2/zebra.conf
diff --git a/tests/topotests/bgp-default-ipv4-ipv6-unicast/r3/bgpd.conf b/tests/topotests/bgp_default_ipv4_ipv6_unicast/r3/bgpd.conf
index a405c047ca..a405c047ca 100644
--- a/tests/topotests/bgp-default-ipv4-ipv6-unicast/r3/bgpd.conf
+++ b/tests/topotests/bgp_default_ipv4_ipv6_unicast/r3/bgpd.conf
diff --git a/tests/topotests/bgp-default-ipv4-ipv6-unicast/r3/zebra.conf b/tests/topotests/bgp_default_ipv4_ipv6_unicast/r3/zebra.conf
index e9fdfb70c5..e9fdfb70c5 100644
--- a/tests/topotests/bgp-default-ipv4-ipv6-unicast/r3/zebra.conf
+++ b/tests/topotests/bgp_default_ipv4_ipv6_unicast/r3/zebra.conf
diff --git a/tests/topotests/bgp-default-ipv4-ipv6-unicast/test_bgp-default-ipv4-ipv6-unicast.py b/tests/topotests/bgp_default_ipv4_ipv6_unicast/test_bgp-default-ipv4-ipv6-unicast.py
index f9aa94fd14..f9aa94fd14 100644
--- a/tests/topotests/bgp-default-ipv4-ipv6-unicast/test_bgp-default-ipv4-ipv6-unicast.py
+++ b/tests/topotests/bgp_default_ipv4_ipv6_unicast/test_bgp-default-ipv4-ipv6-unicast.py
diff --git a/tests/topotests/bgp-path-attributes-topo1/__init__.py b/tests/topotests/bgp_default_route/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp-path-attributes-topo1/__init__.py
+++ b/tests/topotests/bgp_default_route/__init__.py
diff --git a/tests/topotests/bgp_default-route/r1/bgpd.conf b/tests/topotests/bgp_default_route/r1/bgpd.conf
index 8699d62ff2..8699d62ff2 100644
--- a/tests/topotests/bgp_default-route/r1/bgpd.conf
+++ b/tests/topotests/bgp_default_route/r1/bgpd.conf
diff --git a/tests/topotests/bgp_default-route/r1/zebra.conf b/tests/topotests/bgp_default_route/r1/zebra.conf
index 0a283c06d5..0a283c06d5 100644
--- a/tests/topotests/bgp_default-route/r1/zebra.conf
+++ b/tests/topotests/bgp_default_route/r1/zebra.conf
diff --git a/tests/topotests/bgp_default-route/r2/bgpd.conf b/tests/topotests/bgp_default_route/r2/bgpd.conf
index 00c96cc58b..00c96cc58b 100644
--- a/tests/topotests/bgp_default-route/r2/bgpd.conf
+++ b/tests/topotests/bgp_default_route/r2/bgpd.conf
diff --git a/tests/topotests/bgp_default-route/r2/zebra.conf b/tests/topotests/bgp_default_route/r2/zebra.conf
index 606c17bec9..606c17bec9 100644
--- a/tests/topotests/bgp_default-route/r2/zebra.conf
+++ b/tests/topotests/bgp_default_route/r2/zebra.conf
diff --git a/tests/topotests/bgp_default-route/test_bgp_default-originate.py b/tests/topotests/bgp_default_route/test_bgp_default-originate.py
index d8de0f0ac6..d8de0f0ac6 100644
--- a/tests/topotests/bgp_default-route/test_bgp_default-originate.py
+++ b/tests/topotests/bgp_default_route/test_bgp_default-originate.py
diff --git a/tests/topotests/bgp-prefix-list-topo1/__init__.py b/tests/topotests/bgp_default_route_route_map_match/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp-prefix-list-topo1/__init__.py
+++ b/tests/topotests/bgp_default_route_route_map_match/__init__.py
diff --git a/tests/topotests/bgp_default-route_route-map_match/r1/bgpd.conf b/tests/topotests/bgp_default_route_route_map_match/r1/bgpd.conf
index 97b440f5ce..97b440f5ce 100644
--- a/tests/topotests/bgp_default-route_route-map_match/r1/bgpd.conf
+++ b/tests/topotests/bgp_default_route_route_map_match/r1/bgpd.conf
diff --git a/tests/topotests/bgp_default-route_route-map_match/r1/zebra.conf b/tests/topotests/bgp_default_route_route_map_match/r1/zebra.conf
index 9e581a7be7..9e581a7be7 100644
--- a/tests/topotests/bgp_default-route_route-map_match/r1/zebra.conf
+++ b/tests/topotests/bgp_default_route_route_map_match/r1/zebra.conf
diff --git a/tests/topotests/bgp_default-route_route-map_match/r2/bgpd.conf b/tests/topotests/bgp_default_route_route_map_match/r2/bgpd.conf
index 00c96cc58b..00c96cc58b 100644
--- a/tests/topotests/bgp_default-route_route-map_match/r2/bgpd.conf
+++ b/tests/topotests/bgp_default_route_route_map_match/r2/bgpd.conf
diff --git a/tests/topotests/bgp_default-route_route-map_match/r2/zebra.conf b/tests/topotests/bgp_default_route_route_map_match/r2/zebra.conf
index 606c17bec9..606c17bec9 100644
--- a/tests/topotests/bgp_default-route_route-map_match/r2/zebra.conf
+++ b/tests/topotests/bgp_default_route_route_map_match/r2/zebra.conf
diff --git a/tests/topotests/bgp_default-route_route-map_match/test_bgp_default-originate_route-map_match.py b/tests/topotests/bgp_default_route_route_map_match/test_bgp_default-originate_route-map_match.py
index 089c9a964e..089c9a964e 100644
--- a/tests/topotests/bgp_default-route_route-map_match/test_bgp_default-originate_route-map_match.py
+++ b/tests/topotests/bgp_default_route_route_map_match/test_bgp_default-originate_route-map_match.py
diff --git a/tests/topotests/bgp_aggregate-address_origin/__init__.py b/tests/topotests/bgp_default_route_route_map_match_set/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp_aggregate-address_origin/__init__.py
+++ b/tests/topotests/bgp_default_route_route_map_match_set/__init__.py
diff --git a/tests/topotests/bgp_default-route_route-map_match_set/r1/bgpd.conf b/tests/topotests/bgp_default_route_route_map_match_set/r1/bgpd.conf
index 6ef8b1c0f4..6ef8b1c0f4 100644
--- a/tests/topotests/bgp_default-route_route-map_match_set/r1/bgpd.conf
+++ b/tests/topotests/bgp_default_route_route_map_match_set/r1/bgpd.conf
diff --git a/tests/topotests/bgp_default-route_route-map_match_set/r1/zebra.conf b/tests/topotests/bgp_default_route_route_map_match_set/r1/zebra.conf
index 9e581a7be7..9e581a7be7 100644
--- a/tests/topotests/bgp_default-route_route-map_match_set/r1/zebra.conf
+++ b/tests/topotests/bgp_default_route_route_map_match_set/r1/zebra.conf
diff --git a/tests/topotests/bgp_default-route_route-map_match_set/r2/bgpd.conf b/tests/topotests/bgp_default_route_route_map_match_set/r2/bgpd.conf
index 00c96cc58b..00c96cc58b 100644
--- a/tests/topotests/bgp_default-route_route-map_match_set/r2/bgpd.conf
+++ b/tests/topotests/bgp_default_route_route_map_match_set/r2/bgpd.conf
diff --git a/tests/topotests/bgp_default-route_route-map_match_set/r2/zebra.conf b/tests/topotests/bgp_default_route_route_map_match_set/r2/zebra.conf
index 606c17bec9..606c17bec9 100644
--- a/tests/topotests/bgp_default-route_route-map_match_set/r2/zebra.conf
+++ b/tests/topotests/bgp_default_route_route_map_match_set/r2/zebra.conf
diff --git a/tests/topotests/bgp_default-route_route-map_match_set/test_bgp_default-originate_route-map_match_set.py b/tests/topotests/bgp_default_route_route_map_match_set/test_bgp_default-originate_route-map_match_set.py
index d9ea5db278..d9ea5db278 100644
--- a/tests/topotests/bgp_default-route_route-map_match_set/test_bgp_default-originate_route-map_match_set.py
+++ b/tests/topotests/bgp_default_route_route_map_match_set/test_bgp_default-originate_route-map_match_set.py
diff --git a/tests/topotests/bgp_aggregate-address_route-map/__init__.py b/tests/topotests/bgp_default_route_route_map_set/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp_aggregate-address_route-map/__init__.py
+++ b/tests/topotests/bgp_default_route_route_map_set/__init__.py
diff --git a/tests/topotests/bgp_default-route_route-map_set/r1/bgpd.conf b/tests/topotests/bgp_default_route_route_map_set/r1/bgpd.conf
index cb07ea9fdf..cb07ea9fdf 100644
--- a/tests/topotests/bgp_default-route_route-map_set/r1/bgpd.conf
+++ b/tests/topotests/bgp_default_route_route_map_set/r1/bgpd.conf
diff --git a/tests/topotests/bgp_default-route_route-map_set/r1/zebra.conf b/tests/topotests/bgp_default_route_route_map_set/r1/zebra.conf
index 0a283c06d5..0a283c06d5 100644
--- a/tests/topotests/bgp_default-route_route-map_set/r1/zebra.conf
+++ b/tests/topotests/bgp_default_route_route_map_set/r1/zebra.conf
diff --git a/tests/topotests/bgp_default-route_route-map_set/r2/bgpd.conf b/tests/topotests/bgp_default_route_route_map_set/r2/bgpd.conf
index 00c96cc58b..00c96cc58b 100644
--- a/tests/topotests/bgp_default-route_route-map_set/r2/bgpd.conf
+++ b/tests/topotests/bgp_default_route_route_map_set/r2/bgpd.conf
diff --git a/tests/topotests/bgp_default-route_route-map_set/r2/zebra.conf b/tests/topotests/bgp_default_route_route_map_set/r2/zebra.conf
index 606c17bec9..606c17bec9 100644
--- a/tests/topotests/bgp_default-route_route-map_set/r2/zebra.conf
+++ b/tests/topotests/bgp_default_route_route_map_set/r2/zebra.conf
diff --git a/tests/topotests/bgp_default-route_route-map_set/test_bgp_default-originate_route-map_set.py b/tests/topotests/bgp_default_route_route_map_set/test_bgp_default-originate_route-map_set.py
index 9a22c58b16..9a22c58b16 100644
--- a/tests/topotests/bgp_default-route_route-map_set/test_bgp_default-originate_route-map_set.py
+++ b/tests/topotests/bgp_default_route_route_map_set/test_bgp_default-originate_route-map_set.py
diff --git a/tests/topotests/bgp_comm-list_delete/__init__.py b/tests/topotests/bgp_ebgp_common_subnet_nexthop_unchanged/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp_comm-list_delete/__init__.py
+++ b/tests/topotests/bgp_ebgp_common_subnet_nexthop_unchanged/__init__.py
diff --git a/tests/topotests/bgp-ebgp-common-subnet-nexthop-unchanged/r1/bgpd.conf b/tests/topotests/bgp_ebgp_common_subnet_nexthop_unchanged/r1/bgpd.conf
index c320bb5d11..c320bb5d11 100644
--- a/tests/topotests/bgp-ebgp-common-subnet-nexthop-unchanged/r1/bgpd.conf
+++ b/tests/topotests/bgp_ebgp_common_subnet_nexthop_unchanged/r1/bgpd.conf
diff --git a/tests/topotests/bgp-ebgp-common-subnet-nexthop-unchanged/r1/zebra.conf b/tests/topotests/bgp_ebgp_common_subnet_nexthop_unchanged/r1/zebra.conf
index 1782edc2a5..1782edc2a5 100644
--- a/tests/topotests/bgp-ebgp-common-subnet-nexthop-unchanged/r1/zebra.conf
+++ b/tests/topotests/bgp_ebgp_common_subnet_nexthop_unchanged/r1/zebra.conf
diff --git a/tests/topotests/bgp-ebgp-common-subnet-nexthop-unchanged/r2/bgpd.conf b/tests/topotests/bgp_ebgp_common_subnet_nexthop_unchanged/r2/bgpd.conf
index cb712e9a8d..cb712e9a8d 100644
--- a/tests/topotests/bgp-ebgp-common-subnet-nexthop-unchanged/r2/bgpd.conf
+++ b/tests/topotests/bgp_ebgp_common_subnet_nexthop_unchanged/r2/bgpd.conf
diff --git a/tests/topotests/bgp-ebgp-common-subnet-nexthop-unchanged/r2/zebra.conf b/tests/topotests/bgp_ebgp_common_subnet_nexthop_unchanged/r2/zebra.conf
index 968171e7b9..968171e7b9 100644
--- a/tests/topotests/bgp-ebgp-common-subnet-nexthop-unchanged/r2/zebra.conf
+++ b/tests/topotests/bgp_ebgp_common_subnet_nexthop_unchanged/r2/zebra.conf
diff --git a/tests/topotests/bgp-ebgp-common-subnet-nexthop-unchanged/r3/bgpd.conf b/tests/topotests/bgp_ebgp_common_subnet_nexthop_unchanged/r3/bgpd.conf
index a6e3260d15..a6e3260d15 100644
--- a/tests/topotests/bgp-ebgp-common-subnet-nexthop-unchanged/r3/bgpd.conf
+++ b/tests/topotests/bgp_ebgp_common_subnet_nexthop_unchanged/r3/bgpd.conf
diff --git a/tests/topotests/bgp-ebgp-common-subnet-nexthop-unchanged/r3/zebra.conf b/tests/topotests/bgp_ebgp_common_subnet_nexthop_unchanged/r3/zebra.conf
index ddcf862132..ddcf862132 100644
--- a/tests/topotests/bgp-ebgp-common-subnet-nexthop-unchanged/r3/zebra.conf
+++ b/tests/topotests/bgp_ebgp_common_subnet_nexthop_unchanged/r3/zebra.conf
diff --git a/tests/topotests/bgp-ebgp-common-subnet-nexthop-unchanged/test_bgp-ebgp-common-subnet-nexthop-unchanged.py b/tests/topotests/bgp_ebgp_common_subnet_nexthop_unchanged/test_bgp-ebgp-common-subnet-nexthop-unchanged.py
index 3b99065fe0..3b99065fe0 100644
--- a/tests/topotests/bgp-ebgp-common-subnet-nexthop-unchanged/test_bgp-ebgp-common-subnet-nexthop-unchanged.py
+++ b/tests/topotests/bgp_ebgp_common_subnet_nexthop_unchanged/test_bgp-ebgp-common-subnet-nexthop-unchanged.py
diff --git a/tests/topotests/bgp_default-route/__init__.py b/tests/topotests/bgp_ecmp_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp_default-route/__init__.py
+++ b/tests/topotests/bgp_ecmp_topo1/__init__.py
diff --git a/tests/topotests/bgp-ecmp-topo1/bgp-ecmp-topo1.dot b/tests/topotests/bgp_ecmp_topo1/bgp-ecmp-topo1.dot
index 90295e199d..90295e199d 100644
--- a/tests/topotests/bgp-ecmp-topo1/bgp-ecmp-topo1.dot
+++ b/tests/topotests/bgp_ecmp_topo1/bgp-ecmp-topo1.dot
diff --git a/tests/topotests/bgp-ecmp-topo1/bgp-ecmp-topo1.pdf b/tests/topotests/bgp_ecmp_topo1/bgp-ecmp-topo1.pdf
index b4d4f6a5e5..b4d4f6a5e5 100644
--- a/tests/topotests/bgp-ecmp-topo1/bgp-ecmp-topo1.pdf
+++ b/tests/topotests/bgp_ecmp_topo1/bgp-ecmp-topo1.pdf
diff --git a/tests/topotests/bgp-ecmp-topo1/exabgp.env b/tests/topotests/bgp_ecmp_topo1/exabgp.env
index a328e04962..a328e04962 100644
--- a/tests/topotests/bgp-ecmp-topo1/exabgp.env
+++ b/tests/topotests/bgp_ecmp_topo1/exabgp.env
diff --git a/tests/topotests/bgp-ecmp-topo1/peer1/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer1/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer1/exa-receive.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer1/exa-receive.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer1/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer1/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer1/exa-send.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer1/exa-send.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer1/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer1/exabgp.cfg
index 2d0ca89f0f..2d0ca89f0f 100644
--- a/tests/topotests/bgp-ecmp-topo1/peer1/exabgp.cfg
+++ b/tests/topotests/bgp_ecmp_topo1/peer1/exabgp.cfg
diff --git a/tests/topotests/bgp-ecmp-topo1/peer10/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer10/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer10/exa-receive.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer10/exa-receive.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer10/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer10/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer10/exa-send.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer10/exa-send.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer10/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer10/exabgp.cfg
index 0c842a0e7f..0c842a0e7f 100644
--- a/tests/topotests/bgp-ecmp-topo1/peer10/exabgp.cfg
+++ b/tests/topotests/bgp_ecmp_topo1/peer10/exabgp.cfg
diff --git a/tests/topotests/bgp-ecmp-topo1/peer11/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer11/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer11/exa-receive.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer11/exa-receive.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer11/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer11/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer11/exa-send.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer11/exa-send.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer11/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer11/exabgp.cfg
index 936dc572bd..936dc572bd 100644
--- a/tests/topotests/bgp-ecmp-topo1/peer11/exabgp.cfg
+++ b/tests/topotests/bgp_ecmp_topo1/peer11/exabgp.cfg
diff --git a/tests/topotests/bgp-ecmp-topo1/peer12/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer12/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer12/exa-receive.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer12/exa-receive.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer12/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer12/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer12/exa-send.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer12/exa-send.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer12/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer12/exabgp.cfg
index 56b33eae8e..56b33eae8e 100644
--- a/tests/topotests/bgp-ecmp-topo1/peer12/exabgp.cfg
+++ b/tests/topotests/bgp_ecmp_topo1/peer12/exabgp.cfg
diff --git a/tests/topotests/bgp-ecmp-topo1/peer13/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer13/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer13/exa-receive.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer13/exa-receive.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer13/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer13/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer13/exa-send.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer13/exa-send.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer13/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer13/exabgp.cfg
index b933ffb5cf..b933ffb5cf 100644
--- a/tests/topotests/bgp-ecmp-topo1/peer13/exabgp.cfg
+++ b/tests/topotests/bgp_ecmp_topo1/peer13/exabgp.cfg
diff --git a/tests/topotests/bgp-ecmp-topo1/peer14/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer14/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer14/exa-receive.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer14/exa-receive.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer14/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer14/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer14/exa-send.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer14/exa-send.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer14/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer14/exabgp.cfg
index bcfa41eb2e..bcfa41eb2e 100644
--- a/tests/topotests/bgp-ecmp-topo1/peer14/exabgp.cfg
+++ b/tests/topotests/bgp_ecmp_topo1/peer14/exabgp.cfg
diff --git a/tests/topotests/bgp-ecmp-topo1/peer15/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer15/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer15/exa-receive.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer15/exa-receive.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer15/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer15/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer15/exa-send.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer15/exa-send.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer15/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer15/exabgp.cfg
index 022e835798..022e835798 100644
--- a/tests/topotests/bgp-ecmp-topo1/peer15/exabgp.cfg
+++ b/tests/topotests/bgp_ecmp_topo1/peer15/exabgp.cfg
diff --git a/tests/topotests/bgp-ecmp-topo1/peer16/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer16/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer16/exa-receive.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer16/exa-receive.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer16/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer16/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer16/exa-send.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer16/exa-send.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer16/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer16/exabgp.cfg
index 0649202f1f..0649202f1f 100644
--- a/tests/topotests/bgp-ecmp-topo1/peer16/exabgp.cfg
+++ b/tests/topotests/bgp_ecmp_topo1/peer16/exabgp.cfg
diff --git a/tests/topotests/bgp-ecmp-topo1/peer17/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer17/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer17/exa-receive.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer17/exa-receive.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer17/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer17/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer17/exa-send.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer17/exa-send.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer17/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer17/exabgp.cfg
index 0aeeed9d95..0aeeed9d95 100644
--- a/tests/topotests/bgp-ecmp-topo1/peer17/exabgp.cfg
+++ b/tests/topotests/bgp_ecmp_topo1/peer17/exabgp.cfg
diff --git a/tests/topotests/bgp-ecmp-topo1/peer18/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer18/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer18/exa-receive.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer18/exa-receive.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer18/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer18/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer18/exa-send.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer18/exa-send.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer18/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer18/exabgp.cfg
index 352c030eda..352c030eda 100644
--- a/tests/topotests/bgp-ecmp-topo1/peer18/exabgp.cfg
+++ b/tests/topotests/bgp_ecmp_topo1/peer18/exabgp.cfg
diff --git a/tests/topotests/bgp-ecmp-topo1/peer19/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer19/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer19/exa-receive.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer19/exa-receive.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer19/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer19/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer19/exa-send.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer19/exa-send.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer19/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer19/exabgp.cfg
index 9913c226f6..9913c226f6 100644
--- a/tests/topotests/bgp-ecmp-topo1/peer19/exabgp.cfg
+++ b/tests/topotests/bgp_ecmp_topo1/peer19/exabgp.cfg
diff --git a/tests/topotests/bgp-ecmp-topo1/peer2/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer2/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer2/exa-receive.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer2/exa-receive.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer2/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer2/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer2/exa-send.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer2/exa-send.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer2/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer2/exabgp.cfg
index 46b436d2af..46b436d2af 100644
--- a/tests/topotests/bgp-ecmp-topo1/peer2/exabgp.cfg
+++ b/tests/topotests/bgp_ecmp_topo1/peer2/exabgp.cfg
diff --git a/tests/topotests/bgp-ecmp-topo1/peer20/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer20/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer20/exa-receive.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer20/exa-receive.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer20/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer20/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer20/exa-send.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer20/exa-send.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer20/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer20/exabgp.cfg
index 17fb816a75..17fb816a75 100644
--- a/tests/topotests/bgp-ecmp-topo1/peer20/exabgp.cfg
+++ b/tests/topotests/bgp_ecmp_topo1/peer20/exabgp.cfg
diff --git a/tests/topotests/bgp-ecmp-topo1/peer3/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer3/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer3/exa-receive.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer3/exa-receive.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer3/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer3/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer3/exa-send.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer3/exa-send.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer3/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer3/exabgp.cfg
index acd57756b9..acd57756b9 100644
--- a/tests/topotests/bgp-ecmp-topo1/peer3/exabgp.cfg
+++ b/tests/topotests/bgp_ecmp_topo1/peer3/exabgp.cfg
diff --git a/tests/topotests/bgp-ecmp-topo1/peer4/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer4/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer4/exa-receive.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer4/exa-receive.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer4/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer4/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer4/exa-send.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer4/exa-send.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer4/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer4/exabgp.cfg
index 4c9a989b5a..4c9a989b5a 100644
--- a/tests/topotests/bgp-ecmp-topo1/peer4/exabgp.cfg
+++ b/tests/topotests/bgp_ecmp_topo1/peer4/exabgp.cfg
diff --git a/tests/topotests/bgp-ecmp-topo1/peer5/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer5/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer5/exa-receive.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer5/exa-receive.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer5/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer5/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer5/exa-send.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer5/exa-send.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer5/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer5/exabgp.cfg
index eba2aae378..eba2aae378 100644
--- a/tests/topotests/bgp-ecmp-topo1/peer5/exabgp.cfg
+++ b/tests/topotests/bgp_ecmp_topo1/peer5/exabgp.cfg
diff --git a/tests/topotests/bgp-ecmp-topo1/peer6/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer6/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer6/exa-receive.py
+++ b/tests/topotests/bgp_ecmp_topo1/peer6/exa-receive.py
diff --git a/tests/topotests/bgp-ecmp-topo1/peer6/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer6/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer6/exa-send.py
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diff --git a/tests/topotests/bgp-ecmp-topo1/peer6/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer6/exabgp.cfg
index 38b6af0e85..38b6af0e85 100644
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diff --git a/tests/topotests/bgp-ecmp-topo1/peer7/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer7/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer7/exa-receive.py
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diff --git a/tests/topotests/bgp-ecmp-topo1/peer7/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer7/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer7/exa-send.py
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diff --git a/tests/topotests/bgp-ecmp-topo1/peer7/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer7/exabgp.cfg
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--- a/tests/topotests/bgp-ecmp-topo1/peer7/exabgp.cfg
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diff --git a/tests/topotests/bgp-ecmp-topo1/peer8/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer8/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer8/exa-receive.py
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diff --git a/tests/topotests/bgp-ecmp-topo1/peer8/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer8/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer8/exa-send.py
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diff --git a/tests/topotests/bgp-ecmp-topo1/peer8/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer8/exabgp.cfg
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diff --git a/tests/topotests/bgp-ecmp-topo1/peer9/exa-receive.py b/tests/topotests/bgp_ecmp_topo1/peer9/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer9/exa-receive.py
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diff --git a/tests/topotests/bgp-ecmp-topo1/peer9/exa-send.py b/tests/topotests/bgp_ecmp_topo1/peer9/exa-send.py
index d9ae3d1906..d9ae3d1906 100755
--- a/tests/topotests/bgp-ecmp-topo1/peer9/exa-send.py
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diff --git a/tests/topotests/bgp-ecmp-topo1/peer9/exabgp.cfg b/tests/topotests/bgp_ecmp_topo1/peer9/exabgp.cfg
index 5771553962..5771553962 100644
--- a/tests/topotests/bgp-ecmp-topo1/peer9/exabgp.cfg
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diff --git a/tests/topotests/bgp-ecmp-topo1/r1/bgpd.conf b/tests/topotests/bgp_ecmp_topo1/r1/bgpd.conf
index 49981ac589..49981ac589 100644
--- a/tests/topotests/bgp-ecmp-topo1/r1/bgpd.conf
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diff --git a/tests/topotests/bgp-ecmp-topo1/r1/summary.txt b/tests/topotests/bgp_ecmp_topo1/r1/summary.txt
index f0929536d3..f0929536d3 100644
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diff --git a/tests/topotests/bgp-ecmp-topo1/r1/summary20.txt b/tests/topotests/bgp_ecmp_topo1/r1/summary20.txt
index 9015f485f8..9015f485f8 100644
--- a/tests/topotests/bgp-ecmp-topo1/r1/summary20.txt
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diff --git a/tests/topotests/bgp-ecmp-topo1/r1/zebra.conf b/tests/topotests/bgp_ecmp_topo1/r1/zebra.conf
index 77c76cd490..77c76cd490 100644
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diff --git a/tests/topotests/bgp-ecmp-topo1/test_bgp_ecmp_topo1.py b/tests/topotests/bgp_ecmp_topo1/test_bgp_ecmp_topo1.py
index 75506d1a51..75506d1a51 100644
--- a/tests/topotests/bgp-ecmp-topo1/test_bgp_ecmp_topo1.py
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diff --git a/tests/topotests/bgp-ecmp-topo2/ebgp_ecmp_topo2.json b/tests/topotests/bgp_ecmp_topo2/ebgp_ecmp_topo2.json
index 34f11c0a29..34f11c0a29 100755
--- a/tests/topotests/bgp-ecmp-topo2/ebgp_ecmp_topo2.json
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diff --git a/tests/topotests/bgp-ecmp-topo2/ibgp_ecmp_topo2.json b/tests/topotests/bgp_ecmp_topo2/ibgp_ecmp_topo2.json
index 9eea9073c7..9eea9073c7 100755
--- a/tests/topotests/bgp-ecmp-topo2/ibgp_ecmp_topo2.json
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diff --git a/tests/topotests/bgp-ecmp-topo2/test_ebgp_ecmp_topo2.py b/tests/topotests/bgp_ecmp_topo2/test_ebgp_ecmp_topo2.py
index fffcbbd0ef..fffcbbd0ef 100644
--- a/tests/topotests/bgp-ecmp-topo2/test_ebgp_ecmp_topo2.py
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diff --git a/tests/topotests/bgp-ecmp-topo2/test_ibgp_ecmp_topo2.py b/tests/topotests/bgp_ecmp_topo2/test_ibgp_ecmp_topo2.py
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--- a/tests/topotests/bgp-ecmp-topo2/test_ibgp_ecmp_topo2.py
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diff --git a/tests/topotests/bgp-evpn-mh/evpn-mh-topo-tests.pdf b/tests/topotests/bgp_evpn_mh/evpn-mh-topo-tests.pdf
index 8858e21496..8858e21496 100644
--- a/tests/topotests/bgp-evpn-mh/evpn-mh-topo-tests.pdf
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diff --git a/tests/topotests/bgp-evpn-mh/hostd11/pim.conf b/tests/topotests/bgp_evpn_mh/hostd11/pim.conf
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diff --git a/tests/topotests/bgp-evpn-mh/hostd11/zebra.conf b/tests/topotests/bgp_evpn_mh/hostd11/zebra.conf
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp-evpn-mh/hostd11/zebra.conf
+++ b/tests/topotests/bgp_evpn_mh/hostd11/zebra.conf
diff --git a/tests/topotests/bgp-evpn-mh/hostd12/evpn.conf b/tests/topotests/bgp_evpn_mh/hostd12/evpn.conf
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp-evpn-mh/hostd12/evpn.conf
+++ b/tests/topotests/bgp_evpn_mh/hostd12/evpn.conf
diff --git a/tests/topotests/bgp-evpn-mh/hostd12/pim.conf b/tests/topotests/bgp_evpn_mh/hostd12/pim.conf
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp-evpn-mh/hostd12/pim.conf
+++ b/tests/topotests/bgp_evpn_mh/hostd12/pim.conf
diff --git a/tests/topotests/bgp-evpn-mh/hostd12/zebra.conf b/tests/topotests/bgp_evpn_mh/hostd12/zebra.conf
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp-evpn-mh/hostd12/zebra.conf
+++ b/tests/topotests/bgp_evpn_mh/hostd12/zebra.conf
diff --git a/tests/topotests/bgp-evpn-mh/hostd21/evpn.conf b/tests/topotests/bgp_evpn_mh/hostd21/evpn.conf
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp-evpn-mh/hostd21/evpn.conf
+++ b/tests/topotests/bgp_evpn_mh/hostd21/evpn.conf
diff --git a/tests/topotests/bgp-evpn-mh/hostd21/pim.conf b/tests/topotests/bgp_evpn_mh/hostd21/pim.conf
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp-evpn-mh/hostd21/pim.conf
+++ b/tests/topotests/bgp_evpn_mh/hostd21/pim.conf
diff --git a/tests/topotests/bgp-evpn-mh/hostd21/zebra.conf b/tests/topotests/bgp_evpn_mh/hostd21/zebra.conf
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp-evpn-mh/hostd21/zebra.conf
+++ b/tests/topotests/bgp_evpn_mh/hostd21/zebra.conf
diff --git a/tests/topotests/bgp-evpn-mh/hostd22/evpn.conf b/tests/topotests/bgp_evpn_mh/hostd22/evpn.conf
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp-evpn-mh/hostd22/evpn.conf
+++ b/tests/topotests/bgp_evpn_mh/hostd22/evpn.conf
diff --git a/tests/topotests/bgp-evpn-mh/hostd22/pim.conf b/tests/topotests/bgp_evpn_mh/hostd22/pim.conf
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp-evpn-mh/hostd22/pim.conf
+++ b/tests/topotests/bgp_evpn_mh/hostd22/pim.conf
diff --git a/tests/topotests/bgp-evpn-mh/hostd22/zebra.conf b/tests/topotests/bgp_evpn_mh/hostd22/zebra.conf
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp-evpn-mh/hostd22/zebra.conf
+++ b/tests/topotests/bgp_evpn_mh/hostd22/zebra.conf
diff --git a/tests/topotests/bgp-evpn-mh/spine1/evpn.conf b/tests/topotests/bgp_evpn_mh/spine1/evpn.conf
index 2e26f60f44..2e26f60f44 100644
--- a/tests/topotests/bgp-evpn-mh/spine1/evpn.conf
+++ b/tests/topotests/bgp_evpn_mh/spine1/evpn.conf
diff --git a/tests/topotests/bgp-evpn-mh/spine1/pim.conf b/tests/topotests/bgp_evpn_mh/spine1/pim.conf
index 68e686e8c7..68e686e8c7 100644
--- a/tests/topotests/bgp-evpn-mh/spine1/pim.conf
+++ b/tests/topotests/bgp_evpn_mh/spine1/pim.conf
diff --git a/tests/topotests/bgp-evpn-mh/spine1/zebra.conf b/tests/topotests/bgp_evpn_mh/spine1/zebra.conf
index 80e9e5a263..80e9e5a263 100644
--- a/tests/topotests/bgp-evpn-mh/spine1/zebra.conf
+++ b/tests/topotests/bgp_evpn_mh/spine1/zebra.conf
diff --git a/tests/topotests/bgp-evpn-mh/spine2/evpn.conf b/tests/topotests/bgp_evpn_mh/spine2/evpn.conf
index ec2e789276..ec2e789276 100644
--- a/tests/topotests/bgp-evpn-mh/spine2/evpn.conf
+++ b/tests/topotests/bgp_evpn_mh/spine2/evpn.conf
diff --git a/tests/topotests/bgp-evpn-mh/spine2/pim.conf b/tests/topotests/bgp_evpn_mh/spine2/pim.conf
index c1566240e6..c1566240e6 100644
--- a/tests/topotests/bgp-evpn-mh/spine2/pim.conf
+++ b/tests/topotests/bgp_evpn_mh/spine2/pim.conf
diff --git a/tests/topotests/bgp-evpn-mh/spine2/zebra.conf b/tests/topotests/bgp_evpn_mh/spine2/zebra.conf
index 1cd1df8c81..1cd1df8c81 100644
--- a/tests/topotests/bgp-evpn-mh/spine2/zebra.conf
+++ b/tests/topotests/bgp_evpn_mh/spine2/zebra.conf
diff --git a/tests/topotests/bgp-evpn-mh/test_evpn_mh.py b/tests/topotests/bgp_evpn_mh/test_evpn_mh.py
index f389632b1e..f389632b1e 100644
--- a/tests/topotests/bgp-evpn-mh/test_evpn_mh.py
+++ b/tests/topotests/bgp_evpn_mh/test_evpn_mh.py
diff --git a/tests/topotests/bgp-evpn-mh/torm11/evpn.conf b/tests/topotests/bgp_evpn_mh/torm11/evpn.conf
index 01f4b65704..01f4b65704 100644
--- a/tests/topotests/bgp-evpn-mh/torm11/evpn.conf
+++ b/tests/topotests/bgp_evpn_mh/torm11/evpn.conf
diff --git a/tests/topotests/bgp-evpn-mh/torm11/pim.conf b/tests/topotests/bgp_evpn_mh/torm11/pim.conf
index fbba735873..fbba735873 100644
--- a/tests/topotests/bgp-evpn-mh/torm11/pim.conf
+++ b/tests/topotests/bgp_evpn_mh/torm11/pim.conf
diff --git a/tests/topotests/bgp-evpn-mh/torm11/zebra.conf b/tests/topotests/bgp_evpn_mh/torm11/zebra.conf
index 33e89c06ae..33e89c06ae 100644
--- a/tests/topotests/bgp-evpn-mh/torm11/zebra.conf
+++ b/tests/topotests/bgp_evpn_mh/torm11/zebra.conf
diff --git a/tests/topotests/bgp-evpn-mh/torm12/evpn.conf b/tests/topotests/bgp_evpn_mh/torm12/evpn.conf
index 2c13024bbc..2c13024bbc 100644
--- a/tests/topotests/bgp-evpn-mh/torm12/evpn.conf
+++ b/tests/topotests/bgp_evpn_mh/torm12/evpn.conf
diff --git a/tests/topotests/bgp-evpn-mh/torm12/pim.conf b/tests/topotests/bgp_evpn_mh/torm12/pim.conf
index 3dd63b44ca..3dd63b44ca 100644
--- a/tests/topotests/bgp-evpn-mh/torm12/pim.conf
+++ b/tests/topotests/bgp_evpn_mh/torm12/pim.conf
diff --git a/tests/topotests/bgp-evpn-mh/torm12/zebra.conf b/tests/topotests/bgp_evpn_mh/torm12/zebra.conf
index 419f62b2ac..419f62b2ac 100644
--- a/tests/topotests/bgp-evpn-mh/torm12/zebra.conf
+++ b/tests/topotests/bgp_evpn_mh/torm12/zebra.conf
diff --git a/tests/topotests/bgp-evpn-mh/torm21/evpn.conf b/tests/topotests/bgp_evpn_mh/torm21/evpn.conf
index 2a2ba061c6..2a2ba061c6 100644
--- a/tests/topotests/bgp-evpn-mh/torm21/evpn.conf
+++ b/tests/topotests/bgp_evpn_mh/torm21/evpn.conf
diff --git a/tests/topotests/bgp-evpn-mh/torm21/pim.conf b/tests/topotests/bgp_evpn_mh/torm21/pim.conf
index 71aa91a06d..71aa91a06d 100644
--- a/tests/topotests/bgp-evpn-mh/torm21/pim.conf
+++ b/tests/topotests/bgp_evpn_mh/torm21/pim.conf
diff --git a/tests/topotests/bgp-evpn-mh/torm21/zebra.conf b/tests/topotests/bgp_evpn_mh/torm21/zebra.conf
index 525f5eb099..525f5eb099 100644
--- a/tests/topotests/bgp-evpn-mh/torm21/zebra.conf
+++ b/tests/topotests/bgp_evpn_mh/torm21/zebra.conf
diff --git a/tests/topotests/bgp-evpn-mh/torm22/evpn.conf b/tests/topotests/bgp_evpn_mh/torm22/evpn.conf
index 432135c94a..432135c94a 100644
--- a/tests/topotests/bgp-evpn-mh/torm22/evpn.conf
+++ b/tests/topotests/bgp_evpn_mh/torm22/evpn.conf
diff --git a/tests/topotests/bgp-evpn-mh/torm22/pim.conf b/tests/topotests/bgp_evpn_mh/torm22/pim.conf
index 46f330f5cd..46f330f5cd 100644
--- a/tests/topotests/bgp-evpn-mh/torm22/pim.conf
+++ b/tests/topotests/bgp_evpn_mh/torm22/pim.conf
diff --git a/tests/topotests/bgp-evpn-mh/torm22/zebra.conf b/tests/topotests/bgp_evpn_mh/torm22/zebra.conf
index 398064df6c..398064df6c 100644
--- a/tests/topotests/bgp-evpn-mh/torm22/zebra.conf
+++ b/tests/topotests/bgp_evpn_mh/torm22/zebra.conf
diff --git a/tests/topotests/bgp-evpn-vxlan_topo1/P1/bgpd.conf b/tests/topotests/bgp_evpn_vxlan_topo1/P1/bgpd.conf
index cdf4cb4feb..cdf4cb4feb 100644
--- a/tests/topotests/bgp-evpn-vxlan_topo1/P1/bgpd.conf
+++ b/tests/topotests/bgp_evpn_vxlan_topo1/P1/bgpd.conf
diff --git a/tests/topotests/bgp-evpn-vxlan_topo1/P1/ospfd.conf b/tests/topotests/bgp_evpn_vxlan_topo1/P1/ospfd.conf
index 2db7edb806..2db7edb806 100644
--- a/tests/topotests/bgp-evpn-vxlan_topo1/P1/ospfd.conf
+++ b/tests/topotests/bgp_evpn_vxlan_topo1/P1/ospfd.conf
diff --git a/tests/topotests/bgp-evpn-vxlan_topo1/P1/zebra.conf b/tests/topotests/bgp_evpn_vxlan_topo1/P1/zebra.conf
index 95b5da8402..95b5da8402 100644
--- a/tests/topotests/bgp-evpn-vxlan_topo1/P1/zebra.conf
+++ b/tests/topotests/bgp_evpn_vxlan_topo1/P1/zebra.conf
diff --git a/tests/topotests/bgp-evpn-vxlan_topo1/PE1/bgpd.conf b/tests/topotests/bgp_evpn_vxlan_topo1/PE1/bgpd.conf
index 991a1e7e56..991a1e7e56 100644
--- a/tests/topotests/bgp-evpn-vxlan_topo1/PE1/bgpd.conf
+++ b/tests/topotests/bgp_evpn_vxlan_topo1/PE1/bgpd.conf
diff --git a/tests/topotests/bgp-evpn-vxlan_topo1/PE1/evpn.vni.json b/tests/topotests/bgp_evpn_vxlan_topo1/PE1/evpn.vni.json
index e500a1d85c..e500a1d85c 100644
--- a/tests/topotests/bgp-evpn-vxlan_topo1/PE1/evpn.vni.json
+++ b/tests/topotests/bgp_evpn_vxlan_topo1/PE1/evpn.vni.json
diff --git a/tests/topotests/bgp-evpn-vxlan_topo1/PE1/ospfd.conf b/tests/topotests/bgp_evpn_vxlan_topo1/PE1/ospfd.conf
index f1c2b42dc1..f1c2b42dc1 100644
--- a/tests/topotests/bgp-evpn-vxlan_topo1/PE1/ospfd.conf
+++ b/tests/topotests/bgp_evpn_vxlan_topo1/PE1/ospfd.conf
diff --git a/tests/topotests/bgp-evpn-vxlan_topo1/PE1/zebra.conf b/tests/topotests/bgp_evpn_vxlan_topo1/PE1/zebra.conf
index e2699475c9..e2699475c9 100644
--- a/tests/topotests/bgp-evpn-vxlan_topo1/PE1/zebra.conf
+++ b/tests/topotests/bgp_evpn_vxlan_topo1/PE1/zebra.conf
diff --git a/tests/topotests/bgp-evpn-vxlan_topo1/PE2/bgpd.conf b/tests/topotests/bgp_evpn_vxlan_topo1/PE2/bgpd.conf
index 52f8687bc1..52f8687bc1 100644
--- a/tests/topotests/bgp-evpn-vxlan_topo1/PE2/bgpd.conf
+++ b/tests/topotests/bgp_evpn_vxlan_topo1/PE2/bgpd.conf
diff --git a/tests/topotests/bgp-evpn-vxlan_topo1/PE2/evpn.vni.json b/tests/topotests/bgp_evpn_vxlan_topo1/PE2/evpn.vni.json
index 0a56a235bd..0a56a235bd 100644
--- a/tests/topotests/bgp-evpn-vxlan_topo1/PE2/evpn.vni.json
+++ b/tests/topotests/bgp_evpn_vxlan_topo1/PE2/evpn.vni.json
diff --git a/tests/topotests/bgp-evpn-vxlan_topo1/PE2/ospfd.conf b/tests/topotests/bgp_evpn_vxlan_topo1/PE2/ospfd.conf
index 065c993303..065c993303 100644
--- a/tests/topotests/bgp-evpn-vxlan_topo1/PE2/ospfd.conf
+++ b/tests/topotests/bgp_evpn_vxlan_topo1/PE2/ospfd.conf
diff --git a/tests/topotests/bgp-evpn-vxlan_topo1/PE2/zebra.conf b/tests/topotests/bgp_evpn_vxlan_topo1/PE2/zebra.conf
index 9738916ab0..9738916ab0 100644
--- a/tests/topotests/bgp-evpn-vxlan_topo1/PE2/zebra.conf
+++ b/tests/topotests/bgp_evpn_vxlan_topo1/PE2/zebra.conf
diff --git a/tests/topotests/bgp_default-route_route-map_match/__init__.py b/tests/topotests/bgp_evpn_vxlan_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp_default-route_route-map_match/__init__.py
+++ b/tests/topotests/bgp_evpn_vxlan_topo1/__init__.py
diff --git a/tests/topotests/bgp-evpn-vxlan_topo1/host1/bgpd.conf b/tests/topotests/bgp_evpn_vxlan_topo1/host1/bgpd.conf
index cdf4cb4feb..cdf4cb4feb 100644
--- a/tests/topotests/bgp-evpn-vxlan_topo1/host1/bgpd.conf
+++ b/tests/topotests/bgp_evpn_vxlan_topo1/host1/bgpd.conf
diff --git a/tests/topotests/bgp-evpn-vxlan_topo1/host1/ospfd.conf b/tests/topotests/bgp_evpn_vxlan_topo1/host1/ospfd.conf
index cdf4cb4feb..cdf4cb4feb 100644
--- a/tests/topotests/bgp-evpn-vxlan_topo1/host1/ospfd.conf
+++ b/tests/topotests/bgp_evpn_vxlan_topo1/host1/ospfd.conf
diff --git a/tests/topotests/bgp-evpn-vxlan_topo1/host1/zebra.conf b/tests/topotests/bgp_evpn_vxlan_topo1/host1/zebra.conf
index 91fae9eeba..91fae9eeba 100644
--- a/tests/topotests/bgp-evpn-vxlan_topo1/host1/zebra.conf
+++ b/tests/topotests/bgp_evpn_vxlan_topo1/host1/zebra.conf
diff --git a/tests/topotests/bgp-evpn-vxlan_topo1/host2/bgpd.conf b/tests/topotests/bgp_evpn_vxlan_topo1/host2/bgpd.conf
index cdf4cb4feb..cdf4cb4feb 100644
--- a/tests/topotests/bgp-evpn-vxlan_topo1/host2/bgpd.conf
+++ b/tests/topotests/bgp_evpn_vxlan_topo1/host2/bgpd.conf
diff --git a/tests/topotests/bgp-evpn-vxlan_topo1/host2/ospfd.conf b/tests/topotests/bgp_evpn_vxlan_topo1/host2/ospfd.conf
index cdf4cb4feb..cdf4cb4feb 100644
--- a/tests/topotests/bgp-evpn-vxlan_topo1/host2/ospfd.conf
+++ b/tests/topotests/bgp_evpn_vxlan_topo1/host2/ospfd.conf
diff --git a/tests/topotests/bgp-evpn-vxlan_topo1/host2/zebra.conf b/tests/topotests/bgp_evpn_vxlan_topo1/host2/zebra.conf
index df9adeb3b5..df9adeb3b5 100644
--- a/tests/topotests/bgp-evpn-vxlan_topo1/host2/zebra.conf
+++ b/tests/topotests/bgp_evpn_vxlan_topo1/host2/zebra.conf
diff --git a/tests/topotests/bgp-evpn-vxlan_topo1/test_bgp_evpn_vxlan.py b/tests/topotests/bgp_evpn_vxlan_topo1/test_bgp_evpn_vxlan.py
index 086bad6481..086bad6481 100755
--- a/tests/topotests/bgp-evpn-vxlan_topo1/test_bgp_evpn_vxlan.py
+++ b/tests/topotests/bgp_evpn_vxlan_topo1/test_bgp_evpn_vxlan.py
diff --git a/tests/topotests/bgp_flowspec/test_bgp_flowspec_topo.py b/tests/topotests/bgp_flowspec/test_bgp_flowspec_topo.py
index a772a2aab1..fdd84fcd40 100644
--- a/tests/topotests/bgp_flowspec/test_bgp_flowspec_topo.py
+++ b/tests/topotests/bgp_flowspec/test_bgp_flowspec_topo.py
@@ -71,6 +71,10 @@ from lib.lutil import luCommand
 # Required to instantiate the topology builder class.
 from mininet.topo import Topo
 
+
+pytestmark = [pytest.mark.bgpd]
+
+
 #####################################################
 ##
 ##   Network Topology Definition
diff --git a/tests/topotests/bgp_default-route_route-map_match_set/__init__.py b/tests/topotests/bgp_path_attributes_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp_default-route_route-map_match_set/__init__.py
+++ b/tests/topotests/bgp_path_attributes_topo1/__init__.py
diff --git a/tests/topotests/bgp-path-attributes-topo1/bgp_path_attributes.json b/tests/topotests/bgp_path_attributes_topo1/bgp_path_attributes.json
index de2bffa33d..de2bffa33d 100644
--- a/tests/topotests/bgp-path-attributes-topo1/bgp_path_attributes.json
+++ b/tests/topotests/bgp_path_attributes_topo1/bgp_path_attributes.json
diff --git a/tests/topotests/bgp-path-attributes-topo1/test_bgp_path_attributes.py b/tests/topotests/bgp_path_attributes_topo1/test_bgp_path_attributes.py
index a9541a55c5..a9541a55c5 100644
--- a/tests/topotests/bgp-path-attributes-topo1/test_bgp_path_attributes.py
+++ b/tests/topotests/bgp_path_attributes_topo1/test_bgp_path_attributes.py
diff --git a/tests/topotests/bgp_default-route_route-map_set/__init__.py b/tests/topotests/bgp_peer_group/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp_default-route_route-map_set/__init__.py
+++ b/tests/topotests/bgp_peer_group/__init__.py
diff --git a/tests/topotests/bgp_peer-group/r1/bgpd.conf b/tests/topotests/bgp_peer_group/r1/bgpd.conf
index 19b490a359..19b490a359 100644
--- a/tests/topotests/bgp_peer-group/r1/bgpd.conf
+++ b/tests/topotests/bgp_peer_group/r1/bgpd.conf
diff --git a/tests/topotests/bgp_peer-group/r1/zebra.conf b/tests/topotests/bgp_peer_group/r1/zebra.conf
index e2c399e536..e2c399e536 100644
--- a/tests/topotests/bgp_peer-group/r1/zebra.conf
+++ b/tests/topotests/bgp_peer_group/r1/zebra.conf
diff --git a/tests/topotests/bgp_peer-group/r2/bgpd.conf b/tests/topotests/bgp_peer_group/r2/bgpd.conf
index 0880ee9fae..0880ee9fae 100644
--- a/tests/topotests/bgp_peer-group/r2/bgpd.conf
+++ b/tests/topotests/bgp_peer_group/r2/bgpd.conf
diff --git a/tests/topotests/bgp_peer-group/r2/zebra.conf b/tests/topotests/bgp_peer_group/r2/zebra.conf
index 606c17bec9..606c17bec9 100644
--- a/tests/topotests/bgp_peer-group/r2/zebra.conf
+++ b/tests/topotests/bgp_peer_group/r2/zebra.conf
diff --git a/tests/topotests/bgp_peer-group/r3/bgpd.conf b/tests/topotests/bgp_peer_group/r3/bgpd.conf
index eb2fca15fb..eb2fca15fb 100644
--- a/tests/topotests/bgp_peer-group/r3/bgpd.conf
+++ b/tests/topotests/bgp_peer_group/r3/bgpd.conf
diff --git a/tests/topotests/bgp_peer-group/r3/zebra.conf b/tests/topotests/bgp_peer_group/r3/zebra.conf
index e9fdfb70c5..e9fdfb70c5 100644
--- a/tests/topotests/bgp_peer-group/r3/zebra.conf
+++ b/tests/topotests/bgp_peer_group/r3/zebra.conf
diff --git a/tests/topotests/bgp_peer-group/test_bgp_peer-group.py b/tests/topotests/bgp_peer_group/test_bgp_peer-group.py
index 21dc725793..21dc725793 100644
--- a/tests/topotests/bgp_peer-group/test_bgp_peer-group.py
+++ b/tests/topotests/bgp_peer_group/test_bgp_peer-group.py
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/exabgp.env b/tests/topotests/bgp_peer_type_multipath_relax/exabgp.env
index 6c554f5fa8..6c554f5fa8 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/exabgp.env
+++ b/tests/topotests/bgp_peer_type_multipath_relax/exabgp.env
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/peer1/exa-receive.py b/tests/topotests/bgp_peer_type_multipath_relax/peer1/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp_peer-type_multipath-relax/peer1/exa-receive.py
+++ b/tests/topotests/bgp_peer_type_multipath_relax/peer1/exa-receive.py
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/peer1/exa_readpipe.py b/tests/topotests/bgp_peer_type_multipath_relax/peer1/exa_readpipe.py
index 9e689a27e3..9e689a27e3 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/peer1/exa_readpipe.py
+++ b/tests/topotests/bgp_peer_type_multipath_relax/peer1/exa_readpipe.py
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/peer1/exabgp.cfg b/tests/topotests/bgp_peer_type_multipath_relax/peer1/exabgp.cfg
index 4a7dc48126..4a7dc48126 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/peer1/exabgp.cfg
+++ b/tests/topotests/bgp_peer_type_multipath_relax/peer1/exabgp.cfg
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/peer2/exa-receive.py b/tests/topotests/bgp_peer_type_multipath_relax/peer2/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp_peer-type_multipath-relax/peer2/exa-receive.py
+++ b/tests/topotests/bgp_peer_type_multipath_relax/peer2/exa-receive.py
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/peer2/exa_readpipe.py b/tests/topotests/bgp_peer_type_multipath_relax/peer2/exa_readpipe.py
index 9e689a27e3..9e689a27e3 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/peer2/exa_readpipe.py
+++ b/tests/topotests/bgp_peer_type_multipath_relax/peer2/exa_readpipe.py
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/peer2/exabgp.cfg b/tests/topotests/bgp_peer_type_multipath_relax/peer2/exabgp.cfg
index b53b054550..b53b054550 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/peer2/exabgp.cfg
+++ b/tests/topotests/bgp_peer_type_multipath_relax/peer2/exabgp.cfg
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/peer3/exa-receive.py b/tests/topotests/bgp_peer_type_multipath_relax/peer3/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp_peer-type_multipath-relax/peer3/exa-receive.py
+++ b/tests/topotests/bgp_peer_type_multipath_relax/peer3/exa-receive.py
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/peer3/exa_readpipe.py b/tests/topotests/bgp_peer_type_multipath_relax/peer3/exa_readpipe.py
index 9e689a27e3..9e689a27e3 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/peer3/exa_readpipe.py
+++ b/tests/topotests/bgp_peer_type_multipath_relax/peer3/exa_readpipe.py
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/peer3/exabgp.cfg b/tests/topotests/bgp_peer_type_multipath_relax/peer3/exabgp.cfg
index 6a1cc2fb3f..6a1cc2fb3f 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/peer3/exabgp.cfg
+++ b/tests/topotests/bgp_peer_type_multipath_relax/peer3/exabgp.cfg
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/peer4/exa-receive.py b/tests/topotests/bgp_peer_type_multipath_relax/peer4/exa-receive.py
index 031ff455ca..031ff455ca 100755
--- a/tests/topotests/bgp_peer-type_multipath-relax/peer4/exa-receive.py
+++ b/tests/topotests/bgp_peer_type_multipath_relax/peer4/exa-receive.py
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/peer4/exa_readpipe.py b/tests/topotests/bgp_peer_type_multipath_relax/peer4/exa_readpipe.py
index 9e689a27e3..9e689a27e3 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/peer4/exa_readpipe.py
+++ b/tests/topotests/bgp_peer_type_multipath_relax/peer4/exa_readpipe.py
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/peer4/exabgp.cfg b/tests/topotests/bgp_peer_type_multipath_relax/peer4/exabgp.cfg
index 2cc26cb80f..2cc26cb80f 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/peer4/exabgp.cfg
+++ b/tests/topotests/bgp_peer_type_multipath_relax/peer4/exabgp.cfg
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/r1/bgpd.conf b/tests/topotests/bgp_peer_type_multipath_relax/r1/bgpd.conf
index 038f108aa8..038f108aa8 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/r1/bgpd.conf
+++ b/tests/topotests/bgp_peer_type_multipath_relax/r1/bgpd.conf
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/r1/multipath.json b/tests/topotests/bgp_peer_type_multipath_relax/r1/multipath.json
index 11dad786f2..11dad786f2 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/r1/multipath.json
+++ b/tests/topotests/bgp_peer_type_multipath_relax/r1/multipath.json
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/r1/not-multipath.json b/tests/topotests/bgp_peer_type_multipath_relax/r1/not-multipath.json
index c621832157..c621832157 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/r1/not-multipath.json
+++ b/tests/topotests/bgp_peer_type_multipath_relax/r1/not-multipath.json
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/r1/prefix1-eBGP-confed.json b/tests/topotests/bgp_peer_type_multipath_relax/r1/prefix1-eBGP-confed.json
index 22ec2c298b..22ec2c298b 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/r1/prefix1-eBGP-confed.json
+++ b/tests/topotests/bgp_peer_type_multipath_relax/r1/prefix1-eBGP-confed.json
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/r1/prefix1-eBGP-iBGP.json b/tests/topotests/bgp_peer_type_multipath_relax/r1/prefix1-eBGP-iBGP.json
index facddcda46..facddcda46 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/r1/prefix1-eBGP-iBGP.json
+++ b/tests/topotests/bgp_peer_type_multipath_relax/r1/prefix1-eBGP-iBGP.json
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/r1/prefix1-no-recursive.json b/tests/topotests/bgp_peer_type_multipath_relax/r1/prefix1-no-recursive.json
index 5399ceefcc..5399ceefcc 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/r1/prefix1-no-recursive.json
+++ b/tests/topotests/bgp_peer_type_multipath_relax/r1/prefix1-no-recursive.json
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/r1/prefix1-recursive.json b/tests/topotests/bgp_peer_type_multipath_relax/r1/prefix1-recursive.json
index 7da95aed1c..7da95aed1c 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/r1/prefix1-recursive.json
+++ b/tests/topotests/bgp_peer_type_multipath_relax/r1/prefix1-recursive.json
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/r1/prefix1.json b/tests/topotests/bgp_peer_type_multipath_relax/r1/prefix1.json
index a90669a474..a90669a474 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/r1/prefix1.json
+++ b/tests/topotests/bgp_peer_type_multipath_relax/r1/prefix1.json
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/r1/prefix3-ip-route.json b/tests/topotests/bgp_peer_type_multipath_relax/r1/prefix3-ip-route.json
index 1bf38efcc5..1bf38efcc5 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/r1/prefix3-ip-route.json
+++ b/tests/topotests/bgp_peer_type_multipath_relax/r1/prefix3-ip-route.json
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/r1/prefix3-no-recursive.json b/tests/topotests/bgp_peer_type_multipath_relax/r1/prefix3-no-recursive.json
index 33d0f2d1ce..33d0f2d1ce 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/r1/prefix3-no-recursive.json
+++ b/tests/topotests/bgp_peer_type_multipath_relax/r1/prefix3-no-recursive.json
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/r1/prefix3-recursive.json b/tests/topotests/bgp_peer_type_multipath_relax/r1/prefix3-recursive.json
index 6ac2512a60..6ac2512a60 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/r1/prefix3-recursive.json
+++ b/tests/topotests/bgp_peer_type_multipath_relax/r1/prefix3-recursive.json
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/r1/zebra.conf b/tests/topotests/bgp_peer_type_multipath_relax/r1/zebra.conf
index 911aa1c39d..911aa1c39d 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/r1/zebra.conf
+++ b/tests/topotests/bgp_peer_type_multipath_relax/r1/zebra.conf
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/r2/bgpd.conf b/tests/topotests/bgp_peer_type_multipath_relax/r2/bgpd.conf
index 2362a19f26..2362a19f26 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/r2/bgpd.conf
+++ b/tests/topotests/bgp_peer_type_multipath_relax/r2/bgpd.conf
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/r2/staticd.conf b/tests/topotests/bgp_peer_type_multipath_relax/r2/staticd.conf
index 35ebe0dc66..35ebe0dc66 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/r2/staticd.conf
+++ b/tests/topotests/bgp_peer_type_multipath_relax/r2/staticd.conf
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/r2/zebra.conf b/tests/topotests/bgp_peer_type_multipath_relax/r2/zebra.conf
index 900e7d4fbc..900e7d4fbc 100644
--- a/tests/topotests/bgp_peer-type_multipath-relax/r2/zebra.conf
+++ b/tests/topotests/bgp_peer_type_multipath_relax/r2/zebra.conf
diff --git a/tests/topotests/bgp_peer-type_multipath-relax/test_bgp_peer-type_multipath-relax.py b/tests/topotests/bgp_peer_type_multipath_relax/test_bgp_peer-type_multipath-relax.py
index 39a0beeb11..39a0beeb11 100755
--- a/tests/topotests/bgp_peer-type_multipath-relax/test_bgp_peer-type_multipath-relax.py
+++ b/tests/topotests/bgp_peer_type_multipath_relax/test_bgp_peer-type_multipath-relax.py
diff --git a/tests/topotests/bgp_peer-group/__init__.py b/tests/topotests/bgp_prefix_list_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp_peer-group/__init__.py
+++ b/tests/topotests/bgp_prefix_list_topo1/__init__.py
diff --git a/tests/topotests/bgp-prefix-list-topo1/prefix_lists.json b/tests/topotests/bgp_prefix_list_topo1/prefix_lists.json
index 3bb07ad994..3bb07ad994 100644
--- a/tests/topotests/bgp-prefix-list-topo1/prefix_lists.json
+++ b/tests/topotests/bgp_prefix_list_topo1/prefix_lists.json
diff --git a/tests/topotests/bgp-prefix-list-topo1/test_prefix_lists.py b/tests/topotests/bgp_prefix_list_topo1/test_prefix_lists.py
index 22952f645c..22952f645c 100644
--- a/tests/topotests/bgp-prefix-list-topo1/test_prefix_lists.py
+++ b/tests/topotests/bgp_prefix_list_topo1/test_prefix_lists.py
diff --git a/tests/topotests/bgp_recursive_route_ebgp_multi_hop/test_bgp_recursive_route_ebgp_multi_hop.py b/tests/topotests/bgp_recursive_route_ebgp_multi_hop/test_bgp_recursive_route_ebgp_multi_hop.py
index c758c31dc1..e7d70f6d8e 100644
--- a/tests/topotests/bgp_recursive_route_ebgp_multi_hop/test_bgp_recursive_route_ebgp_multi_hop.py
+++ b/tests/topotests/bgp_recursive_route_ebgp_multi_hop/test_bgp_recursive_route_ebgp_multi_hop.py
@@ -287,7 +287,7 @@ def test_recursive_routes_iBGP_peer_p1(request):
             input_dict_4,
             next_hop=topo["routers"]["r3"]["links"]["r1"][addr_type].split("/")[0],
         )
-        assert result is True, "Testcase  : Failed \n Error : {}".format(
+        assert result is True, "Testcase {}: Failed \n Error : {}".format(
             tc_name, result
         )
 
@@ -322,7 +322,7 @@ def test_recursive_routes_iBGP_peer_p1(request):
             }
         }
         result = create_static_routes(tgen, input_dict_3)
-        assert result is True, "Testcase  : Failed \n Error : {}".format(
+        assert result is True, "Testcase {}: Failed \n Error : {}".format(
             tc_name, result
         )
 
@@ -335,7 +335,7 @@ def test_recursive_routes_iBGP_peer_p1(request):
             next_hop=topo["routers"]["r3"]["links"]["r1"][addr_type].split("/")[0],
             protocol="bgp",
         )
-        assert result is True, "Testcase  : Failed \n Error : {}".format(
+        assert result is True, "Testcase {}: Failed \n Error : {}".format(
             tc_name, result
         )
 
@@ -354,7 +354,7 @@ def test_recursive_routes_iBGP_peer_p1(request):
             }
         }
         result = create_static_routes(tgen, input_dict_3)
-        assert result is True, "Testcase  : Failed \n Error : {}".format(
+        assert result is True, "Testcase {}: Failed \n Error : {}".format(
             tc_name, result
         )
 
@@ -388,7 +388,7 @@ def test_recursive_routes_iBGP_peer_p1(request):
             }
         }
         result = create_static_routes(tgen, input_dict_3)
-        assert result is True, "Testcase  : Failed \n Error : {}".format(
+        assert result is True, "Testcase {}: Failed \n Error : {}".format(
             tc_name, result
         )
 
@@ -401,7 +401,7 @@ def test_recursive_routes_iBGP_peer_p1(request):
             next_hop=topo["routers"]["r3"]["links"]["r1"][addr_type].split("/")[0],
             protocol="bgp",
         )
-        assert result is True, "Testcase  : Failed \n Error : {}".format(
+        assert result is True, "Testcase {}: Failed \n Error : {}".format(
             tc_name, result
         )
 
@@ -427,7 +427,7 @@ def test_recursive_routes_iBGP_peer_p1(request):
             }
         }
         result = create_static_routes(tgen, input_dict_4)
-        assert result is True, "Testcase  : Failed \n Error : {}".format(
+        assert result is True, "Testcase {}: Failed \n Error : {}".format(
             tc_name, result
         )
 
@@ -474,7 +474,7 @@ def test_recursive_routes_iBGP_peer_p1(request):
             }
         }
         result = create_static_routes(tgen, input_dict_4)
-        assert result is True, "Testcase  : Failed \n Error : {}".format(
+        assert result is True, "Testcase {}: Failed \n Error : {}".format(
             tc_name, result
         )
 
@@ -639,7 +639,7 @@ def test_next_hop_as_self_ip_p1(request):
             input_dict_4,
             next_hop=topo["routers"]["r2"]["links"]["r4"][addr_type].split("/")[0],
         )
-        assert result is True, "Testcase  : Failed \n Error : {}".format(
+        assert result is True, "Testcase {}: Failed \n Error : {}".format(
             tc_name, result
         )
 
@@ -671,7 +671,7 @@ def test_next_hop_as_self_ip_p1(request):
             input_dict_4,
             next_hop=topo["routers"]["r2"]["links"]["r4"][addr_type].split("/")[0],
         )
-        assert result is True, "Testcase  : Failed \n Error : {}".format(
+        assert result is True, "Testcase {}: Failed \n Error : {}".format(
             tc_name, result
         )
         result = verify_rib(
@@ -1277,7 +1277,7 @@ def test_BGP_path_attributes_default_values_p1(request):
                 topo["routers"]["r3"]["links"]["r4"][addr_type].split("/")[0],
             ],
         )
-        assert result is True, "Testcase  : Failed \n Error : {}".format(
+        assert result is True, "Testcase {}: Failed \n Error : {}".format(
             tc_name, result
         )
 
@@ -1298,7 +1298,7 @@ def test_BGP_path_attributes_default_values_p1(request):
             rmap_name="rmap_pf",
             input_dict=input_dict_4,
         )
-        assert result is True, "Testcase  : Failed \n Error : {}".format(
+        assert result is True, "Testcase {}: Failed \n Error : {}".format(
             tc_name, result
         )
 
@@ -1402,7 +1402,7 @@ def test_BGP_path_attributes_default_values_p1(request):
             rmap_name="rmap_pf",
             input_dict=input_dict_4,
         )
-        assert result is True, "Testcase  : Failed \n Error : {}".format(
+        assert result is True, "Testcase {}: Failed \n Error : {}".format(
             tc_name, result
         )
 
@@ -1478,7 +1478,7 @@ def test_BGP_path_attributes_default_values_p1(request):
             input_dict=input_dict_4,
             nexthop=None,
         )
-        assert result is True, "Testcase  : Failed \n Error : {}".format(
+        assert result is True, "Testcase {}: Failed \n Error : {}".format(
             tc_name, result
         )
 
@@ -1859,7 +1859,7 @@ def test_BGP_active_standby_preemption_and_ecmp_p1(request):
                 topo["routers"]["r3"]["links"]["r4"][addr_type].split("/")[0],
             ],
         )
-        assert result is True, "Testcase  : Failed \n Error : {}".format(
+        assert result is True, "Testcase {}: Failed \n Error : {}".format(
             tc_name, result
         )
 
diff --git a/tests/topotests/bgp-route-map/bgp_route_map_topo1.json b/tests/topotests/bgp_route_map/bgp_route_map_topo1.json
index e89263961d..e89263961d 100644
--- a/tests/topotests/bgp-route-map/bgp_route_map_topo1.json
+++ b/tests/topotests/bgp_route_map/bgp_route_map_topo1.json
diff --git a/tests/topotests/bgp-route-map/bgp_route_map_topo2.json b/tests/topotests/bgp_route_map/bgp_route_map_topo2.json
index c22a4c3ea7..c22a4c3ea7 100755
--- a/tests/topotests/bgp-route-map/bgp_route_map_topo2.json
+++ b/tests/topotests/bgp_route_map/bgp_route_map_topo2.json
diff --git a/tests/topotests/bgp-route-map/test_route_map_topo1.py b/tests/topotests/bgp_route_map/test_route_map_topo1.py
index 0158e24d31..0158e24d31 100644
--- a/tests/topotests/bgp-route-map/test_route_map_topo1.py
+++ b/tests/topotests/bgp_route_map/test_route_map_topo1.py
diff --git a/tests/topotests/bgp-route-map/test_route_map_topo2.py b/tests/topotests/bgp_route_map/test_route_map_topo2.py
index 958eceba62..958eceba62 100644
--- a/tests/topotests/bgp-route-map/test_route_map_topo2.py
+++ b/tests/topotests/bgp_route_map/test_route_map_topo2.py
diff --git a/tests/topotests/bgp_sender-as-path-loop-detection/__init__.py b/tests/topotests/bgp_sender_as_path_loop_detection/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp_sender-as-path-loop-detection/__init__.py
+++ b/tests/topotests/bgp_sender_as_path_loop_detection/__init__.py
diff --git a/tests/topotests/bgp_sender-as-path-loop-detection/r1/bgpd.conf b/tests/topotests/bgp_sender_as_path_loop_detection/r1/bgpd.conf
index 719d76392d..719d76392d 100644
--- a/tests/topotests/bgp_sender-as-path-loop-detection/r1/bgpd.conf
+++ b/tests/topotests/bgp_sender_as_path_loop_detection/r1/bgpd.conf
diff --git a/tests/topotests/bgp_sender-as-path-loop-detection/r1/zebra.conf b/tests/topotests/bgp_sender_as_path_loop_detection/r1/zebra.conf
index 9904bb4e16..9904bb4e16 100644
--- a/tests/topotests/bgp_sender-as-path-loop-detection/r1/zebra.conf
+++ b/tests/topotests/bgp_sender_as_path_loop_detection/r1/zebra.conf
diff --git a/tests/topotests/bgp_sender-as-path-loop-detection/r2/bgpd.conf b/tests/topotests/bgp_sender_as_path_loop_detection/r2/bgpd.conf
index a4a654d7b5..a4a654d7b5 100644
--- a/tests/topotests/bgp_sender-as-path-loop-detection/r2/bgpd.conf
+++ b/tests/topotests/bgp_sender_as_path_loop_detection/r2/bgpd.conf
diff --git a/tests/topotests/bgp_sender-as-path-loop-detection/r2/zebra.conf b/tests/topotests/bgp_sender_as_path_loop_detection/r2/zebra.conf
index f0d357c5ff..f0d357c5ff 100644
--- a/tests/topotests/bgp_sender-as-path-loop-detection/r2/zebra.conf
+++ b/tests/topotests/bgp_sender_as_path_loop_detection/r2/zebra.conf
diff --git a/tests/topotests/bgp_sender-as-path-loop-detection/r3/bgpd.conf b/tests/topotests/bgp_sender_as_path_loop_detection/r3/bgpd.conf
index 2e24de0b2d..2e24de0b2d 100644
--- a/tests/topotests/bgp_sender-as-path-loop-detection/r3/bgpd.conf
+++ b/tests/topotests/bgp_sender_as_path_loop_detection/r3/bgpd.conf
diff --git a/tests/topotests/bgp_sender-as-path-loop-detection/r3/zebra.conf b/tests/topotests/bgp_sender_as_path_loop_detection/r3/zebra.conf
index a10fe3a3c7..a10fe3a3c7 100644
--- a/tests/topotests/bgp_sender-as-path-loop-detection/r3/zebra.conf
+++ b/tests/topotests/bgp_sender_as_path_loop_detection/r3/zebra.conf
diff --git a/tests/topotests/bgp_sender-as-path-loop-detection/test_bgp_sender-as-path-loop-detection.py b/tests/topotests/bgp_sender_as_path_loop_detection/test_bgp_sender-as-path-loop-detection.py
index dffe24f3a0..dffe24f3a0 100644
--- a/tests/topotests/bgp_sender-as-path-loop-detection/test_bgp_sender-as-path-loop-detection.py
+++ b/tests/topotests/bgp_sender_as_path_loop_detection/test_bgp_sender-as-path-loop-detection.py
diff --git a/tests/topotests/bgp_set_local-preference_add_subtract/__init__.py b/tests/topotests/bgp_set_local_preference_add_subtract/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp_set_local-preference_add_subtract/__init__.py
+++ b/tests/topotests/bgp_set_local_preference_add_subtract/__init__.py
diff --git a/tests/topotests/bgp_set_local-preference_add_subtract/r1/bgpd.conf b/tests/topotests/bgp_set_local_preference_add_subtract/r1/bgpd.conf
index 57e2f5818a..57e2f5818a 100644
--- a/tests/topotests/bgp_set_local-preference_add_subtract/r1/bgpd.conf
+++ b/tests/topotests/bgp_set_local_preference_add_subtract/r1/bgpd.conf
diff --git a/tests/topotests/bgp_set_local-preference_add_subtract/r1/zebra.conf b/tests/topotests/bgp_set_local_preference_add_subtract/r1/zebra.conf
index 6e9b0b4a7e..6e9b0b4a7e 100644
--- a/tests/topotests/bgp_set_local-preference_add_subtract/r1/zebra.conf
+++ b/tests/topotests/bgp_set_local_preference_add_subtract/r1/zebra.conf
diff --git a/tests/topotests/bgp_set_local-preference_add_subtract/r2/bgpd.conf b/tests/topotests/bgp_set_local_preference_add_subtract/r2/bgpd.conf
index 82a01d4570..82a01d4570 100644
--- a/tests/topotests/bgp_set_local-preference_add_subtract/r2/bgpd.conf
+++ b/tests/topotests/bgp_set_local_preference_add_subtract/r2/bgpd.conf
diff --git a/tests/topotests/bgp_set_local-preference_add_subtract/r2/zebra.conf b/tests/topotests/bgp_set_local_preference_add_subtract/r2/zebra.conf
index 93e3590448..93e3590448 100644
--- a/tests/topotests/bgp_set_local-preference_add_subtract/r2/zebra.conf
+++ b/tests/topotests/bgp_set_local_preference_add_subtract/r2/zebra.conf
diff --git a/tests/topotests/bgp_set_local-preference_add_subtract/r3/bgpd.conf b/tests/topotests/bgp_set_local_preference_add_subtract/r3/bgpd.conf
index 65e092b0f2..65e092b0f2 100644
--- a/tests/topotests/bgp_set_local-preference_add_subtract/r3/bgpd.conf
+++ b/tests/topotests/bgp_set_local_preference_add_subtract/r3/bgpd.conf
diff --git a/tests/topotests/bgp_set_local-preference_add_subtract/r3/zebra.conf b/tests/topotests/bgp_set_local_preference_add_subtract/r3/zebra.conf
index b5e060c3d6..b5e060c3d6 100644
--- a/tests/topotests/bgp_set_local-preference_add_subtract/r3/zebra.conf
+++ b/tests/topotests/bgp_set_local_preference_add_subtract/r3/zebra.conf
diff --git a/tests/topotests/bgp_set_local-preference_add_subtract/test_bgp_set_local-preference_add_subtract.py b/tests/topotests/bgp_set_local_preference_add_subtract/test_bgp_set_local-preference_add_subtract.py
index af64648951..af64648951 100644
--- a/tests/topotests/bgp_set_local-preference_add_subtract/test_bgp_set_local-preference_add_subtract.py
+++ b/tests/topotests/bgp_set_local_preference_add_subtract/test_bgp_set_local-preference_add_subtract.py
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/ce1/bgpd.conf b/tests/topotests/bgp_snmp_mplsl3vpn/ce1/bgpd.conf
index b598666dfb..b598666dfb 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/ce1/bgpd.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/ce1/bgpd.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/ce1/snmpd.conf b/tests/topotests/bgp_snmp_mplsl3vpn/ce1/snmpd.conf
index 36218d3538..36218d3538 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/ce1/snmpd.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/ce1/snmpd.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/ce1/zebra.conf b/tests/topotests/bgp_snmp_mplsl3vpn/ce1/zebra.conf
index 8ad2ddc48c..8ad2ddc48c 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/ce1/zebra.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/ce1/zebra.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/ce2/bgpd.conf b/tests/topotests/bgp_snmp_mplsl3vpn/ce2/bgpd.conf
index e388ccba8a..e388ccba8a 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/ce2/bgpd.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/ce2/bgpd.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/ce2/snmpd.conf b/tests/topotests/bgp_snmp_mplsl3vpn/ce2/snmpd.conf
index 714585cb9b..714585cb9b 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/ce2/snmpd.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/ce2/snmpd.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/ce2/zebra.conf b/tests/topotests/bgp_snmp_mplsl3vpn/ce2/zebra.conf
index fa2e968e55..fa2e968e55 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/ce2/zebra.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/ce2/zebra.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/ce3/bgpd.conf b/tests/topotests/bgp_snmp_mplsl3vpn/ce3/bgpd.conf
index e388ccba8a..e388ccba8a 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/ce3/bgpd.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/ce3/bgpd.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/ce3/snmpd.conf b/tests/topotests/bgp_snmp_mplsl3vpn/ce3/snmpd.conf
index 36218d3538..36218d3538 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/ce3/snmpd.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/ce3/snmpd.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/ce3/zebra.conf b/tests/topotests/bgp_snmp_mplsl3vpn/ce3/zebra.conf
index ea91e21bad..ea91e21bad 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/ce3/zebra.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/ce3/zebra.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/ce4/bgpd.conf b/tests/topotests/bgp_snmp_mplsl3vpn/ce4/bgpd.conf
index e388ccba8a..e388ccba8a 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/ce4/bgpd.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/ce4/bgpd.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/ce4/snmpd.conf b/tests/topotests/bgp_snmp_mplsl3vpn/ce4/snmpd.conf
index 36218d3538..36218d3538 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/ce4/snmpd.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/ce4/snmpd.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/ce4/zebra.conf b/tests/topotests/bgp_snmp_mplsl3vpn/ce4/zebra.conf
index 0866fa9759..0866fa9759 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/ce4/zebra.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/ce4/zebra.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/r1/bgpd.conf b/tests/topotests/bgp_snmp_mplsl3vpn/r1/bgpd.conf
index 098e55d0ed..098e55d0ed 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/r1/bgpd.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/r1/bgpd.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/r1/isisd.conf b/tests/topotests/bgp_snmp_mplsl3vpn/r1/isisd.conf
index b5ca993da3..b5ca993da3 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/r1/isisd.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/r1/isisd.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/r1/snmpd.conf b/tests/topotests/bgp_snmp_mplsl3vpn/r1/snmpd.conf
index c903c1ad2e..c903c1ad2e 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/r1/snmpd.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/r1/snmpd.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/r1/zebra.conf b/tests/topotests/bgp_snmp_mplsl3vpn/r1/zebra.conf
index 7228ae6bd2..7228ae6bd2 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/r1/zebra.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/r1/zebra.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/r2/isisd.conf b/tests/topotests/bgp_snmp_mplsl3vpn/r2/isisd.conf
index 3dfa43831a..3dfa43831a 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/r2/isisd.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/r2/isisd.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/r2/snmpd.conf b/tests/topotests/bgp_snmp_mplsl3vpn/r2/snmpd.conf
index 0cfebc7238..0cfebc7238 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/r2/snmpd.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/r2/snmpd.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/r2/zebra.conf b/tests/topotests/bgp_snmp_mplsl3vpn/r2/zebra.conf
index 9bc4331bae..9bc4331bae 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/r2/zebra.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/r2/zebra.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/r3/isisd.conf b/tests/topotests/bgp_snmp_mplsl3vpn/r3/isisd.conf
index 578ebafad6..578ebafad6 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/r3/isisd.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/r3/isisd.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/r3/snmpd.conf b/tests/topotests/bgp_snmp_mplsl3vpn/r3/snmpd.conf
index b9eb00ea52..b9eb00ea52 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/r3/snmpd.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/r3/snmpd.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/r3/zebra.conf b/tests/topotests/bgp_snmp_mplsl3vpn/r3/zebra.conf
index 4d2007e787..4d2007e787 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/r3/zebra.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/r3/zebra.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/r4/bgpd.conf b/tests/topotests/bgp_snmp_mplsl3vpn/r4/bgpd.conf
index 2a834c799e..2a834c799e 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/r4/bgpd.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/r4/bgpd.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/r4/isisd.conf b/tests/topotests/bgp_snmp_mplsl3vpn/r4/isisd.conf
index 3e9e9af45f..3e9e9af45f 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/r4/isisd.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/r4/isisd.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/r4/snmpd.conf b/tests/topotests/bgp_snmp_mplsl3vpn/r4/snmpd.conf
index ec35f9f9c9..ec35f9f9c9 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/r4/snmpd.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/r4/snmpd.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/r4/zebra.conf b/tests/topotests/bgp_snmp_mplsl3vpn/r4/zebra.conf
index c48407c108..c48407c108 100644
--- a/tests/topotests/bgp-snmp-mplsl3vpn/r4/zebra.conf
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/r4/zebra.conf
diff --git a/tests/topotests/bgp-snmp-mplsl3vpn/test_bgp_snmp_mplsvpn.py b/tests/topotests/bgp_snmp_mplsl3vpn/test_bgp_snmp_mplsvpn.py
index b830e16b9a..b830e16b9a 100755
--- a/tests/topotests/bgp-snmp-mplsl3vpn/test_bgp_snmp_mplsvpn.py
+++ b/tests/topotests/bgp_snmp_mplsl3vpn/test_bgp_snmp_mplsvpn.py
diff --git a/tests/topotests/bgp-vrf-route-leak-basic/r1/bgpd.conf b/tests/topotests/bgp_vrf_route_leak_basic/r1/bgpd.conf
index 03dfbf9322..03dfbf9322 100644
--- a/tests/topotests/bgp-vrf-route-leak-basic/r1/bgpd.conf
+++ b/tests/topotests/bgp_vrf_route_leak_basic/r1/bgpd.conf
diff --git a/tests/topotests/bgp-vrf-route-leak-basic/r1/zebra.conf b/tests/topotests/bgp_vrf_route_leak_basic/r1/zebra.conf
index 35038557df..35038557df 100644
--- a/tests/topotests/bgp-vrf-route-leak-basic/r1/zebra.conf
+++ b/tests/topotests/bgp_vrf_route_leak_basic/r1/zebra.conf
diff --git a/tests/topotests/bgp-vrf-route-leak-basic/setup_vrfs b/tests/topotests/bgp_vrf_route_leak_basic/setup_vrfs
index fb67953fe3..fb67953fe3 100644
--- a/tests/topotests/bgp-vrf-route-leak-basic/setup_vrfs
+++ b/tests/topotests/bgp_vrf_route_leak_basic/setup_vrfs
diff --git a/tests/topotests/bgp-vrf-route-leak-basic/test_bgp-vrf-route-leak-basic.py b/tests/topotests/bgp_vrf_route_leak_basic/test_bgp-vrf-route-leak-basic.py
index 71f64e9b70..71f64e9b70 100644
--- a/tests/topotests/bgp-vrf-route-leak-basic/test_bgp-vrf-route-leak-basic.py
+++ b/tests/topotests/bgp_vrf_route_leak_basic/test_bgp-vrf-route-leak-basic.py
diff --git a/tests/topotests/eigrp-topo1/r1/eigrpd.conf b/tests/topotests/eigrp_topo1/r1/eigrpd.conf
index 6c800abd9b..6c800abd9b 100644
--- a/tests/topotests/eigrp-topo1/r1/eigrpd.conf
+++ b/tests/topotests/eigrp_topo1/r1/eigrpd.conf
diff --git a/tests/topotests/eigrp-topo1/r1/show_ip_eigrp.json b/tests/topotests/eigrp_topo1/r1/show_ip_eigrp.json
index be0fdcfed9..be0fdcfed9 100644
--- a/tests/topotests/eigrp-topo1/r1/show_ip_eigrp.json
+++ b/tests/topotests/eigrp_topo1/r1/show_ip_eigrp.json
diff --git a/tests/topotests/eigrp-topo1/r1/show_ip_eigrp.ref b/tests/topotests/eigrp_topo1/r1/show_ip_eigrp.ref
index a2d7b3307d..a2d7b3307d 100644
--- a/tests/topotests/eigrp-topo1/r1/show_ip_eigrp.ref
+++ b/tests/topotests/eigrp_topo1/r1/show_ip_eigrp.ref
diff --git a/tests/topotests/eigrp-topo1/r1/show_ip_route.json_ref b/tests/topotests/eigrp_topo1/r1/show_ip_route.json_ref
index 26fa7ca415..26fa7ca415 100644
--- a/tests/topotests/eigrp-topo1/r1/show_ip_route.json_ref
+++ b/tests/topotests/eigrp_topo1/r1/show_ip_route.json_ref
diff --git a/tests/topotests/eigrp-topo1/r1/zebra.conf b/tests/topotests/eigrp_topo1/r1/zebra.conf
index 56ae4a66f4..56ae4a66f4 100644
--- a/tests/topotests/eigrp-topo1/r1/zebra.conf
+++ b/tests/topotests/eigrp_topo1/r1/zebra.conf
diff --git a/tests/topotests/eigrp-topo1/r2/eigrpd.conf b/tests/topotests/eigrp_topo1/r2/eigrpd.conf
index 56c747d97c..56c747d97c 100644
--- a/tests/topotests/eigrp-topo1/r2/eigrpd.conf
+++ b/tests/topotests/eigrp_topo1/r2/eigrpd.conf
diff --git a/tests/topotests/eigrp-topo1/r2/show_ip_eigrp.json b/tests/topotests/eigrp_topo1/r2/show_ip_eigrp.json
index ae9f441a38..ae9f441a38 100644
--- a/tests/topotests/eigrp-topo1/r2/show_ip_eigrp.json
+++ b/tests/topotests/eigrp_topo1/r2/show_ip_eigrp.json
diff --git a/tests/topotests/eigrp-topo1/r2/show_ip_eigrp.ref b/tests/topotests/eigrp_topo1/r2/show_ip_eigrp.ref
index cce49cda07..cce49cda07 100644
--- a/tests/topotests/eigrp-topo1/r2/show_ip_eigrp.ref
+++ b/tests/topotests/eigrp_topo1/r2/show_ip_eigrp.ref
diff --git a/tests/topotests/eigrp-topo1/r2/show_ip_route.json_ref b/tests/topotests/eigrp_topo1/r2/show_ip_route.json_ref
index 71c931b17a..71c931b17a 100644
--- a/tests/topotests/eigrp-topo1/r2/show_ip_route.json_ref
+++ b/tests/topotests/eigrp_topo1/r2/show_ip_route.json_ref
diff --git a/tests/topotests/eigrp-topo1/r2/zebra.conf b/tests/topotests/eigrp_topo1/r2/zebra.conf
index c440f3a350..c440f3a350 100644
--- a/tests/topotests/eigrp-topo1/r2/zebra.conf
+++ b/tests/topotests/eigrp_topo1/r2/zebra.conf
diff --git a/tests/topotests/eigrp-topo1/r3/eigrpd.conf b/tests/topotests/eigrp_topo1/r3/eigrpd.conf
index 53ad1bb6a1..53ad1bb6a1 100644
--- a/tests/topotests/eigrp-topo1/r3/eigrpd.conf
+++ b/tests/topotests/eigrp_topo1/r3/eigrpd.conf
diff --git a/tests/topotests/eigrp-topo1/r3/show_ip_eigrp.json b/tests/topotests/eigrp_topo1/r3/show_ip_eigrp.json
index 83db66c8c8..83db66c8c8 100644
--- a/tests/topotests/eigrp-topo1/r3/show_ip_eigrp.json
+++ b/tests/topotests/eigrp_topo1/r3/show_ip_eigrp.json
diff --git a/tests/topotests/eigrp-topo1/r3/show_ip_eigrp.ref b/tests/topotests/eigrp_topo1/r3/show_ip_eigrp.ref
index 70f3d3f98b..70f3d3f98b 100644
--- a/tests/topotests/eigrp-topo1/r3/show_ip_eigrp.ref
+++ b/tests/topotests/eigrp_topo1/r3/show_ip_eigrp.ref
diff --git a/tests/topotests/eigrp-topo1/r3/show_ip_route.json_ref b/tests/topotests/eigrp_topo1/r3/show_ip_route.json_ref
index 5e0b79d811..5e0b79d811 100644
--- a/tests/topotests/eigrp-topo1/r3/show_ip_route.json_ref
+++ b/tests/topotests/eigrp_topo1/r3/show_ip_route.json_ref
diff --git a/tests/topotests/eigrp-topo1/r3/zebra.conf b/tests/topotests/eigrp_topo1/r3/zebra.conf
index 7f145b4583..7f145b4583 100644
--- a/tests/topotests/eigrp-topo1/r3/zebra.conf
+++ b/tests/topotests/eigrp_topo1/r3/zebra.conf
diff --git a/tests/topotests/eigrp-topo1/test_eigrp_topo1.dot b/tests/topotests/eigrp_topo1/test_eigrp_topo1.dot
index ca3a0fe5b9..ca3a0fe5b9 100644
--- a/tests/topotests/eigrp-topo1/test_eigrp_topo1.dot
+++ b/tests/topotests/eigrp_topo1/test_eigrp_topo1.dot
diff --git a/tests/topotests/eigrp-topo1/test_eigrp_topo1.py b/tests/topotests/eigrp_topo1/test_eigrp_topo1.py
index 6993bc53e7..6993bc53e7 100644
--- a/tests/topotests/eigrp-topo1/test_eigrp_topo1.py
+++ b/tests/topotests/eigrp_topo1/test_eigrp_topo1.py
diff --git a/tests/topotests/evpn-pim-1/host1/bgpd.conf b/tests/topotests/evpn_pim_1/host1/bgpd.conf
index cdf4cb4feb..cdf4cb4feb 100644
--- a/tests/topotests/evpn-pim-1/host1/bgpd.conf
+++ b/tests/topotests/evpn_pim_1/host1/bgpd.conf
diff --git a/tests/topotests/evpn-pim-1/host1/pimd.conf b/tests/topotests/evpn_pim_1/host1/pimd.conf
index 63a44c1333..63a44c1333 100644
--- a/tests/topotests/evpn-pim-1/host1/pimd.conf
+++ b/tests/topotests/evpn_pim_1/host1/pimd.conf
diff --git a/tests/topotests/evpn-pim-1/host1/zebra.conf b/tests/topotests/evpn_pim_1/host1/zebra.conf
index 45ad031017..45ad031017 100644
--- a/tests/topotests/evpn-pim-1/host1/zebra.conf
+++ b/tests/topotests/evpn_pim_1/host1/zebra.conf
diff --git a/tests/topotests/evpn-pim-1/host2/bgpd.conf b/tests/topotests/evpn_pim_1/host2/bgpd.conf
index cdf4cb4feb..cdf4cb4feb 100644
--- a/tests/topotests/evpn-pim-1/host2/bgpd.conf
+++ b/tests/topotests/evpn_pim_1/host2/bgpd.conf
diff --git a/tests/topotests/evpn-pim-1/host2/pimd.conf b/tests/topotests/evpn_pim_1/host2/pimd.conf
index 63a44c1333..63a44c1333 100644
--- a/tests/topotests/evpn-pim-1/host2/pimd.conf
+++ b/tests/topotests/evpn_pim_1/host2/pimd.conf
diff --git a/tests/topotests/evpn-pim-1/host2/zebra.conf b/tests/topotests/evpn_pim_1/host2/zebra.conf
index bfae53017f..bfae53017f 100644
--- a/tests/topotests/evpn-pim-1/host2/zebra.conf
+++ b/tests/topotests/evpn_pim_1/host2/zebra.conf
diff --git a/tests/topotests/evpn-pim-1/leaf1/bgpd.conf b/tests/topotests/evpn_pim_1/leaf1/bgpd.conf
index 97fd8662f4..97fd8662f4 100644
--- a/tests/topotests/evpn-pim-1/leaf1/bgpd.conf
+++ b/tests/topotests/evpn_pim_1/leaf1/bgpd.conf
diff --git a/tests/topotests/evpn-pim-1/leaf1/pimd.conf b/tests/topotests/evpn_pim_1/leaf1/pimd.conf
index 293e252086..293e252086 100644
--- a/tests/topotests/evpn-pim-1/leaf1/pimd.conf
+++ b/tests/topotests/evpn_pim_1/leaf1/pimd.conf
diff --git a/tests/topotests/evpn-pim-1/leaf1/zebra.conf b/tests/topotests/evpn_pim_1/leaf1/zebra.conf
index 581cc6e7be..581cc6e7be 100644
--- a/tests/topotests/evpn-pim-1/leaf1/zebra.conf
+++ b/tests/topotests/evpn_pim_1/leaf1/zebra.conf
diff --git a/tests/topotests/evpn-pim-1/leaf2/bgpd.conf b/tests/topotests/evpn_pim_1/leaf2/bgpd.conf
index 91d9bd8c8b..91d9bd8c8b 100644
--- a/tests/topotests/evpn-pim-1/leaf2/bgpd.conf
+++ b/tests/topotests/evpn_pim_1/leaf2/bgpd.conf
diff --git a/tests/topotests/evpn-pim-1/leaf2/pimd.conf b/tests/topotests/evpn_pim_1/leaf2/pimd.conf
index 08d5a19a2a..08d5a19a2a 100644
--- a/tests/topotests/evpn-pim-1/leaf2/pimd.conf
+++ b/tests/topotests/evpn_pim_1/leaf2/pimd.conf
diff --git a/tests/topotests/evpn-pim-1/leaf2/zebra.conf b/tests/topotests/evpn_pim_1/leaf2/zebra.conf
index 1bcf8e1ded..1bcf8e1ded 100644
--- a/tests/topotests/evpn-pim-1/leaf2/zebra.conf
+++ b/tests/topotests/evpn_pim_1/leaf2/zebra.conf
diff --git a/tests/topotests/evpn-pim-1/spine/bgp.summ.json b/tests/topotests/evpn_pim_1/spine/bgp.summ.json
index 5ff4b096fd..5ff4b096fd 100644
--- a/tests/topotests/evpn-pim-1/spine/bgp.summ.json
+++ b/tests/topotests/evpn_pim_1/spine/bgp.summ.json
diff --git a/tests/topotests/evpn-pim-1/spine/bgpd.conf b/tests/topotests/evpn_pim_1/spine/bgpd.conf
index 81ab802f35..81ab802f35 100644
--- a/tests/topotests/evpn-pim-1/spine/bgpd.conf
+++ b/tests/topotests/evpn_pim_1/spine/bgpd.conf
diff --git a/tests/topotests/evpn-pim-1/spine/join-info.json b/tests/topotests/evpn_pim_1/spine/join-info.json
index 3d135fb964..3d135fb964 100644
--- a/tests/topotests/evpn-pim-1/spine/join-info.json
+++ b/tests/topotests/evpn_pim_1/spine/join-info.json
diff --git a/tests/topotests/evpn-pim-1/spine/pimd.conf b/tests/topotests/evpn_pim_1/spine/pimd.conf
index 56adda5cc4..56adda5cc4 100644
--- a/tests/topotests/evpn-pim-1/spine/pimd.conf
+++ b/tests/topotests/evpn_pim_1/spine/pimd.conf
diff --git a/tests/topotests/evpn-pim-1/spine/zebra.conf b/tests/topotests/evpn_pim_1/spine/zebra.conf
index 2cb719486e..2cb719486e 100644
--- a/tests/topotests/evpn-pim-1/spine/zebra.conf
+++ b/tests/topotests/evpn_pim_1/spine/zebra.conf
diff --git a/tests/topotests/evpn-pim-1/test_evpn_pim_topo1.py b/tests/topotests/evpn_pim_1/test_evpn_pim_topo1.py
index 260a197aca..260a197aca 100644
--- a/tests/topotests/evpn-pim-1/test_evpn_pim_topo1.py
+++ b/tests/topotests/evpn_pim_1/test_evpn_pim_topo1.py
diff --git a/tests/topotests/example-test/__init__.py b/tests/topotests/example_test/__init__.py
index e69de29bb2..e69de29bb2 100755
--- a/tests/topotests/example-test/__init__.py
+++ b/tests/topotests/example_test/__init__.py
diff --git a/tests/topotests/example-test/test_example.py b/tests/topotests/example_test/test_example.py
index 72eceee612..72eceee612 100755
--- a/tests/topotests/example-test/test_example.py
+++ b/tests/topotests/example_test/test_example.py
diff --git a/tests/topotests/example-test/test_template.dot b/tests/topotests/example_test/test_template.dot
index b5e12020ce..b5e12020ce 100644
--- a/tests/topotests/example-test/test_template.dot
+++ b/tests/topotests/example_test/test_template.dot
diff --git a/tests/topotests/example-test/test_template.jpg b/tests/topotests/example_test/test_template.jpg
index b01ef73f5a..b01ef73f5a 100644
--- a/tests/topotests/example-test/test_template.jpg
+++ b/tests/topotests/example_test/test_template.jpg
diff --git a/tests/topotests/example-test/test_template.py b/tests/topotests/example_test/test_template.py
index 0265dbe796..0265dbe796 100644
--- a/tests/topotests/example-test/test_template.py
+++ b/tests/topotests/example_test/test_template.py
diff --git a/tests/topotests/example-topojson-test/__init__.py b/tests/topotests/example_topojson_test/__init__.py
index e69de29bb2..e69de29bb2 100755
--- a/tests/topotests/example-topojson-test/__init__.py
+++ b/tests/topotests/example_topojson_test/__init__.py
diff --git a/tests/topotests/example-topojson-test/test_topo_json_multiple_links/__init__.py b/tests/topotests/example_topojson_test/test_topo_json_multiple_links/__init__.py
index e69de29bb2..e69de29bb2 100755
--- a/tests/topotests/example-topojson-test/test_topo_json_multiple_links/__init__.py
+++ b/tests/topotests/example_topojson_test/test_topo_json_multiple_links/__init__.py
diff --git a/tests/topotests/example-topojson-test/test_topo_json_multiple_links/example_topojson_multiple_links.json b/tests/topotests/example_topojson_test/test_topo_json_multiple_links/example_topojson_multiple_links.json
index 3968348b1f..3968348b1f 100644
--- a/tests/topotests/example-topojson-test/test_topo_json_multiple_links/example_topojson_multiple_links.json
+++ b/tests/topotests/example_topojson_test/test_topo_json_multiple_links/example_topojson_multiple_links.json
diff --git a/tests/topotests/example-topojson-test/test_topo_json_multiple_links/test_example_topojson_multiple_links.py b/tests/topotests/example_topojson_test/test_topo_json_multiple_links/test_example_topojson_multiple_links.py
index 09ac9f2fa4..09ac9f2fa4 100755
--- a/tests/topotests/example-topojson-test/test_topo_json_multiple_links/test_example_topojson_multiple_links.py
+++ b/tests/topotests/example_topojson_test/test_topo_json_multiple_links/test_example_topojson_multiple_links.py
diff --git a/tests/topotests/example-topojson-test/test_topo_json_single_link/__init__.py b/tests/topotests/example_topojson_test/test_topo_json_single_link/__init__.py
index e69de29bb2..e69de29bb2 100755
--- a/tests/topotests/example-topojson-test/test_topo_json_single_link/__init__.py
+++ b/tests/topotests/example_topojson_test/test_topo_json_single_link/__init__.py
diff --git a/tests/topotests/example-topojson-test/test_topo_json_single_link/example_topojson.json b/tests/topotests/example_topojson_test/test_topo_json_single_link/example_topojson.json
index 629d2d6d78..629d2d6d78 100644
--- a/tests/topotests/example-topojson-test/test_topo_json_single_link/example_topojson.json
+++ b/tests/topotests/example_topojson_test/test_topo_json_single_link/example_topojson.json
diff --git a/tests/topotests/example-topojson-test/test_topo_json_single_link/test_example_topojson.py b/tests/topotests/example_topojson_test/test_topo_json_single_link/test_example_topojson.py
index 26336d5de1..26336d5de1 100755
--- a/tests/topotests/example-topojson-test/test_topo_json_single_link/test_example_topojson.py
+++ b/tests/topotests/example_topojson_test/test_topo_json_single_link/test_example_topojson.py
diff --git a/tests/topotests/example-topojson-test/test_topo_json_single_link_loopback/__init__.py b/tests/topotests/example_topojson_test/test_topo_json_single_link_loopback/__init__.py
index e69de29bb2..e69de29bb2 100755
--- a/tests/topotests/example-topojson-test/test_topo_json_single_link_loopback/__init__.py
+++ b/tests/topotests/example_topojson_test/test_topo_json_single_link_loopback/__init__.py
diff --git a/tests/topotests/example-topojson-test/test_topo_json_single_link_loopback/example_topojson.json b/tests/topotests/example_topojson_test/test_topo_json_single_link_loopback/example_topojson.json
index c76c6264be..c76c6264be 100644
--- a/tests/topotests/example-topojson-test/test_topo_json_single_link_loopback/example_topojson.json
+++ b/tests/topotests/example_topojson_test/test_topo_json_single_link_loopback/example_topojson.json
diff --git a/tests/topotests/example-topojson-test/test_topo_json_single_link_loopback/test_example_topojson.py b/tests/topotests/example_topojson_test/test_topo_json_single_link_loopback/test_example_topojson.py
index 012b05d376..012b05d376 100755
--- a/tests/topotests/example-topojson-test/test_topo_json_single_link_loopback/test_example_topojson.py
+++ b/tests/topotests/example_topojson_test/test_topo_json_single_link_loopback/test_example_topojson.py
diff --git a/tests/topotests/isis-topo1/r5/r5_topology.json b/tests/topotests/isis-topo1/r5/r5_topology.json
deleted file mode 100644
index 0224661411..0000000000
--- a/tests/topotests/isis-topo1/r5/r5_topology.json
+++ /dev/null
@@ -1,152 +0,0 @@
-{
-  "1": {
-    "level-1": {
-      "ipv4": [
-        {
-          "vertex": "r5"
-        },
-        {
-          "metric": "internal",
-          "parent": "0",
-          "type": "IP",
-          "vertex": "10.0.10.0/24"
-        },
-        {
-          "metric": "internal",
-          "parent": "0",
-          "type": "IP",
-          "vertex": "10.0.11.0/24"
-        },
-        {
-          "interface": "r5-eth0",
-          "metric": "10",
-          "next-hop": "r3",
-          "parent": "r5(4)",
-          "type": "TE-IS",
-          "vertex": "r3"
-        },
-        {
-          "interface": "r5-eth1",
-          "metric": "10",
-          "next-hop": "r4",
-          "parent": "r5(4)",
-          "type": "TE-IS",
-          "vertex": "r4"
-        },
-        {
-          "interface": "r3",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r5-eth0",
-          "type": "IP",
-          "vertex": "10.0.10.0/24"
-        },
-        {
-          "interface": "r3",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r5-eth0",
-          "type": "IP",
-          "vertex": "10.0.20.0/24"
-        },
-        {
-          "interface": "r3",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r5-eth0",
-          "type": "IP",
-          "vertex": "10.254.0.3/32"
-        },
-        {
-          "interface": "r4",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r5-eth1",
-          "type": "IP",
-          "vertex": "10.0.11.0/24"
-        },
-        {
-          "interface": "r4",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r5-eth1",
-          "type": "IP",
-          "vertex": "10.0.21.0/24"
-        },
-        {
-          "interface": "r4",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r5-eth1",
-          "type": "IP",
-          "vertex": "10.254.0.4/32"
-        }
-      ],
-      "ipv6": [
-        {
-          "vertex": "r5"
-        },
-        {
-          "metric": "internal",
-          "parent": "0",
-          "type": "IP6",
-          "vertex": "2001:db8:2:1::/64"
-        },
-        {
-          "metric": "internal",
-          "parent": "0",
-          "type": "IP6",
-          "vertex": "2001:db8:2:2::/64"
-        },
-        {
-          "interface": "r5-eth0",
-          "metric": "10",
-          "next-hop": "r3",
-          "parent": "r5(4)",
-          "type": "TE-IS",
-          "vertex": "r3"
-        },
-        {
-          "interface": "r5-eth1",
-          "metric": "10",
-          "next-hop": "r4",
-          "parent": "r5(4)",
-          "type": "TE-IS",
-          "vertex": "r4"
-        },
-        {
-          "interface": "r3",
-          "next-hop": "10",
-          "parent": "r5-eth0",
-          "type": "IP6",
-          "vertex": "2001:db8:1:1::/64"
-        },
-        {
-          "interface": "r3",
-          "next-hop": "10",
-          "parent": "r5-eth0",
-          "type": "IP6",
-          "vertex": "2001:db8:f::3/128"
-        },
-        {
-          "interface": "r4",
-          "next-hop": "10",
-          "parent": "r5-eth1",
-          "type": "IP6",
-          "vertex": "2001:db8:1:2::/64"
-        },
-        {
-          "interface": "r4",
-          "next-hop": "10",
-          "parent": "r5-eth1",
-          "type": "IP6",
-          "vertex": "2001:db8:f::4/128"
-        }
-      ]
-    },
-    "level-2": {
-      "ipv4": [],
-      "ipv6": []
-    }
-  }
-}
diff --git a/tests/topotests/isis-lfa-topo1/__init__.py b/tests/topotests/isis_lfa_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-lfa-topo1/__init__.py
+++ b/tests/topotests/isis_lfa_topo1/__init__.py
diff --git a/tests/topotests/isis-lfa-topo1/rt1/isisd.conf b/tests/topotests/isis_lfa_topo1/rt1/isisd.conf
index 2ad8c12538..2ad8c12538 100644
--- a/tests/topotests/isis-lfa-topo1/rt1/isisd.conf
+++ b/tests/topotests/isis_lfa_topo1/rt1/isisd.conf
diff --git a/tests/topotests/isis-lfa-topo1/rt1/step1/show_ipv6_route.ref b/tests/topotests/isis_lfa_topo1/rt1/step1/show_ipv6_route.ref
index 10c61d53e3..10c61d53e3 100644
--- a/tests/topotests/isis-lfa-topo1/rt1/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_lfa_topo1/rt1/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-lfa-topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_lfa_topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref
index d8a7c5a9c4..d8a7c5a9c4 100644
--- a/tests/topotests/isis-lfa-topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_lfa_topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-lfa-topo1/rt1/step10/show_ipv6_route.ref.diff b/tests/topotests/isis_lfa_topo1/rt1/step10/show_ipv6_route.ref.diff
index d626cdca02..d626cdca02 100644
--- a/tests/topotests/isis-lfa-topo1/rt1/step10/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_lfa_topo1/rt1/step10/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-lfa-topo1/rt1/step11/show_ipv6_route.ref.diff b/tests/topotests/isis_lfa_topo1/rt1/step11/show_ipv6_route.ref.diff
index f7f99c276e..f7f99c276e 100644
--- a/tests/topotests/isis-lfa-topo1/rt1/step11/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_lfa_topo1/rt1/step11/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-lfa-topo1/rt1/step12/show_ipv6_route.ref.diff b/tests/topotests/isis_lfa_topo1/rt1/step12/show_ipv6_route.ref.diff
index 3b767f1bf6..3b767f1bf6 100644
--- a/tests/topotests/isis-lfa-topo1/rt1/step12/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_lfa_topo1/rt1/step12/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-lfa-topo1/rt1/step13/show_ipv6_route.ref.diff b/tests/topotests/isis_lfa_topo1/rt1/step13/show_ipv6_route.ref.diff
index 504af5ac58..504af5ac58 100644
--- a/tests/topotests/isis-lfa-topo1/rt1/step13/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_lfa_topo1/rt1/step13/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-lfa-topo1/rt1/step2/show_ipv6_route.ref.diff b/tests/topotests/isis_lfa_topo1/rt1/step2/show_ipv6_route.ref.diff
index efc56d9835..efc56d9835 100644
--- a/tests/topotests/isis-lfa-topo1/rt1/step2/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_lfa_topo1/rt1/step2/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-lfa-topo1/rt1/step3/show_ipv6_route.ref.diff b/tests/topotests/isis_lfa_topo1/rt1/step3/show_ipv6_route.ref.diff
index cafbe490b5..cafbe490b5 100644
--- a/tests/topotests/isis-lfa-topo1/rt1/step3/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_lfa_topo1/rt1/step3/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-lfa-topo1/rt1/step4/show_ipv6_route.ref.diff b/tests/topotests/isis_lfa_topo1/rt1/step4/show_ipv6_route.ref.diff
index 47d8334a05..47d8334a05 100644
--- a/tests/topotests/isis-lfa-topo1/rt1/step4/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_lfa_topo1/rt1/step4/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-lfa-topo1/rt1/step5/show_ipv6_route.ref.diff b/tests/topotests/isis_lfa_topo1/rt1/step5/show_ipv6_route.ref.diff
index b6a342df88..b6a342df88 100644
--- a/tests/topotests/isis-lfa-topo1/rt1/step5/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_lfa_topo1/rt1/step5/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-lfa-topo1/rt1/step6/show_ipv6_route.ref.diff b/tests/topotests/isis_lfa_topo1/rt1/step6/show_ipv6_route.ref.diff
index fafa2999d1..fafa2999d1 100644
--- a/tests/topotests/isis-lfa-topo1/rt1/step6/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_lfa_topo1/rt1/step6/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-lfa-topo1/rt1/step7/show_ipv6_route.ref.diff b/tests/topotests/isis_lfa_topo1/rt1/step7/show_ipv6_route.ref.diff
index 1803e2cf5c..1803e2cf5c 100644
--- a/tests/topotests/isis-lfa-topo1/rt1/step7/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_lfa_topo1/rt1/step7/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-lfa-topo1/rt1/step8/show_ipv6_route.ref.diff b/tests/topotests/isis_lfa_topo1/rt1/step8/show_ipv6_route.ref.diff
index 306f725340..306f725340 100644
--- a/tests/topotests/isis-lfa-topo1/rt1/step8/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_lfa_topo1/rt1/step8/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-lfa-topo1/rt1/step9/show_ipv6_route.ref.diff b/tests/topotests/isis_lfa_topo1/rt1/step9/show_ipv6_route.ref.diff
index 3ffab46eeb..3ffab46eeb 100644
--- a/tests/topotests/isis-lfa-topo1/rt1/step9/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_lfa_topo1/rt1/step9/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-lfa-topo1/rt1/zebra.conf b/tests/topotests/isis_lfa_topo1/rt1/zebra.conf
index 317f1031df..317f1031df 100644
--- a/tests/topotests/isis-lfa-topo1/rt1/zebra.conf
+++ b/tests/topotests/isis_lfa_topo1/rt1/zebra.conf
diff --git a/tests/topotests/isis-lfa-topo1/rt2/isisd.conf b/tests/topotests/isis_lfa_topo1/rt2/isisd.conf
index 39ff2570d4..39ff2570d4 100644
--- a/tests/topotests/isis-lfa-topo1/rt2/isisd.conf
+++ b/tests/topotests/isis_lfa_topo1/rt2/isisd.conf
diff --git a/tests/topotests/isis-lfa-topo1/rt2/step1/show_ipv6_route.ref b/tests/topotests/isis_lfa_topo1/rt2/step1/show_ipv6_route.ref
index 036bfe1f4f..036bfe1f4f 100644
--- a/tests/topotests/isis-lfa-topo1/rt2/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_lfa_topo1/rt2/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-lfa-topo1/rt2/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_lfa_topo1/rt2/step1/show_yang_interface_isis_adjacencies.ref
index 681c5222ad..681c5222ad 100644
--- a/tests/topotests/isis-lfa-topo1/rt2/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_lfa_topo1/rt2/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-lfa-topo1/rt2/zebra.conf b/tests/topotests/isis_lfa_topo1/rt2/zebra.conf
index 9feaada791..9feaada791 100644
--- a/tests/topotests/isis-lfa-topo1/rt2/zebra.conf
+++ b/tests/topotests/isis_lfa_topo1/rt2/zebra.conf
diff --git a/tests/topotests/isis-lfa-topo1/rt3/isisd.conf b/tests/topotests/isis_lfa_topo1/rt3/isisd.conf
index 8b0c7bd0dc..8b0c7bd0dc 100644
--- a/tests/topotests/isis-lfa-topo1/rt3/isisd.conf
+++ b/tests/topotests/isis_lfa_topo1/rt3/isisd.conf
diff --git a/tests/topotests/isis-lfa-topo1/rt3/step1/show_ipv6_route.ref b/tests/topotests/isis_lfa_topo1/rt3/step1/show_ipv6_route.ref
index a1aab400e4..a1aab400e4 100644
--- a/tests/topotests/isis-lfa-topo1/rt3/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_lfa_topo1/rt3/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-lfa-topo1/rt3/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_lfa_topo1/rt3/step1/show_yang_interface_isis_adjacencies.ref
index 1495e32284..1495e32284 100644
--- a/tests/topotests/isis-lfa-topo1/rt3/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_lfa_topo1/rt3/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-lfa-topo1/rt3/zebra.conf b/tests/topotests/isis_lfa_topo1/rt3/zebra.conf
index 48d732e72a..48d732e72a 100644
--- a/tests/topotests/isis-lfa-topo1/rt3/zebra.conf
+++ b/tests/topotests/isis_lfa_topo1/rt3/zebra.conf
diff --git a/tests/topotests/isis-lfa-topo1/rt4/isisd.conf b/tests/topotests/isis_lfa_topo1/rt4/isisd.conf
index 86edee6ab1..86edee6ab1 100644
--- a/tests/topotests/isis-lfa-topo1/rt4/isisd.conf
+++ b/tests/topotests/isis_lfa_topo1/rt4/isisd.conf
diff --git a/tests/topotests/isis-lfa-topo1/rt4/step1/show_ipv6_route.ref b/tests/topotests/isis_lfa_topo1/rt4/step1/show_ipv6_route.ref
index 6878e2fac0..6878e2fac0 100644
--- a/tests/topotests/isis-lfa-topo1/rt4/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_lfa_topo1/rt4/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-lfa-topo1/rt4/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_lfa_topo1/rt4/step1/show_yang_interface_isis_adjacencies.ref
index d8cd565b5b..d8cd565b5b 100644
--- a/tests/topotests/isis-lfa-topo1/rt4/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_lfa_topo1/rt4/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-lfa-topo1/rt4/zebra.conf b/tests/topotests/isis_lfa_topo1/rt4/zebra.conf
index bff10860cc..bff10860cc 100644
--- a/tests/topotests/isis-lfa-topo1/rt4/zebra.conf
+++ b/tests/topotests/isis_lfa_topo1/rt4/zebra.conf
diff --git a/tests/topotests/isis-lfa-topo1/rt5/isisd.conf b/tests/topotests/isis_lfa_topo1/rt5/isisd.conf
index 7a7cfe557d..7a7cfe557d 100644
--- a/tests/topotests/isis-lfa-topo1/rt5/isisd.conf
+++ b/tests/topotests/isis_lfa_topo1/rt5/isisd.conf
diff --git a/tests/topotests/isis-lfa-topo1/rt5/step1/show_ipv6_route.ref b/tests/topotests/isis_lfa_topo1/rt5/step1/show_ipv6_route.ref
index f8181c7769..f8181c7769 100644
--- a/tests/topotests/isis-lfa-topo1/rt5/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_lfa_topo1/rt5/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-lfa-topo1/rt5/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_lfa_topo1/rt5/step1/show_yang_interface_isis_adjacencies.ref
index d8cd565b5b..d8cd565b5b 100644
--- a/tests/topotests/isis-lfa-topo1/rt5/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_lfa_topo1/rt5/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-lfa-topo1/rt5/zebra.conf b/tests/topotests/isis_lfa_topo1/rt5/zebra.conf
index ee1e46c966..ee1e46c966 100644
--- a/tests/topotests/isis-lfa-topo1/rt5/zebra.conf
+++ b/tests/topotests/isis_lfa_topo1/rt5/zebra.conf
diff --git a/tests/topotests/isis-lfa-topo1/rt6/isisd.conf b/tests/topotests/isis_lfa_topo1/rt6/isisd.conf
index 20cb7769a4..20cb7769a4 100644
--- a/tests/topotests/isis-lfa-topo1/rt6/isisd.conf
+++ b/tests/topotests/isis_lfa_topo1/rt6/isisd.conf
diff --git a/tests/topotests/isis-lfa-topo1/rt6/step1/show_ipv6_route.ref b/tests/topotests/isis_lfa_topo1/rt6/step1/show_ipv6_route.ref
index e5f3c77ac5..e5f3c77ac5 100644
--- a/tests/topotests/isis-lfa-topo1/rt6/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_lfa_topo1/rt6/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-lfa-topo1/rt6/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_lfa_topo1/rt6/step1/show_yang_interface_isis_adjacencies.ref
index d8cd565b5b..d8cd565b5b 100644
--- a/tests/topotests/isis-lfa-topo1/rt6/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_lfa_topo1/rt6/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-lfa-topo1/rt6/zebra.conf b/tests/topotests/isis_lfa_topo1/rt6/zebra.conf
index 4108078896..4108078896 100644
--- a/tests/topotests/isis-lfa-topo1/rt6/zebra.conf
+++ b/tests/topotests/isis_lfa_topo1/rt6/zebra.conf
diff --git a/tests/topotests/isis-lfa-topo1/rt7/isisd.conf b/tests/topotests/isis_lfa_topo1/rt7/isisd.conf
index 713e6d39f4..713e6d39f4 100644
--- a/tests/topotests/isis-lfa-topo1/rt7/isisd.conf
+++ b/tests/topotests/isis_lfa_topo1/rt7/isisd.conf
diff --git a/tests/topotests/isis-lfa-topo1/rt7/step1/show_ipv6_route.ref b/tests/topotests/isis_lfa_topo1/rt7/step1/show_ipv6_route.ref
index 0dff15e3fd..0dff15e3fd 100644
--- a/tests/topotests/isis-lfa-topo1/rt7/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_lfa_topo1/rt7/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-lfa-topo1/rt7/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_lfa_topo1/rt7/step1/show_yang_interface_isis_adjacencies.ref
index d8a7c5a9c4..d8a7c5a9c4 100644
--- a/tests/topotests/isis-lfa-topo1/rt7/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_lfa_topo1/rt7/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-lfa-topo1/rt7/zebra.conf b/tests/topotests/isis_lfa_topo1/rt7/zebra.conf
index 353c9efa93..353c9efa93 100644
--- a/tests/topotests/isis-lfa-topo1/rt7/zebra.conf
+++ b/tests/topotests/isis_lfa_topo1/rt7/zebra.conf
diff --git a/tests/topotests/isis-lfa-topo1/test_isis_lfa_topo1.py b/tests/topotests/isis_lfa_topo1/test_isis_lfa_topo1.py
index dcfcd11435..dcfcd11435 100755
--- a/tests/topotests/isis-lfa-topo1/test_isis_lfa_topo1.py
+++ b/tests/topotests/isis_lfa_topo1/test_isis_lfa_topo1.py
diff --git a/tests/topotests/isis-lsp-bits-topo1/__init__.py b/tests/topotests/isis_lsp_bits_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-lsp-bits-topo1/__init__.py
+++ b/tests/topotests/isis_lsp_bits_topo1/__init__.py
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt1/isisd.conf b/tests/topotests/isis_lsp_bits_topo1/rt1/isisd.conf
index 90764a0d0f..90764a0d0f 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt1/isisd.conf
+++ b/tests/topotests/isis_lsp_bits_topo1/rt1/isisd.conf
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt1/step1/show_ip_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt1/step1/show_ip_route.ref
index 8557f4b010..8557f4b010 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt1/step1/show_ip_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt1/step1/show_ip_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt1/step1/show_ipv6_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt1/step1/show_ipv6_route.ref
index fa76533756..fa76533756 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt1/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt1/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_lsp_bits_topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref
index 26f0dffa7a..26f0dffa7a 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt1/step2/show_ip_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt1/step2/show_ip_route.ref
index c826efdcfe..c826efdcfe 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt1/step2/show_ip_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt1/step2/show_ip_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt1/step2/show_ipv6_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt1/step2/show_ipv6_route.ref
index a386b45dad..a386b45dad 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt1/step2/show_ipv6_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt1/step2/show_ipv6_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt1/step3/show_ip_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt1/step3/show_ip_route.ref
index 2b281b74fb..2b281b74fb 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt1/step3/show_ip_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt1/step3/show_ip_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt1/step3/show_ipv6_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt1/step3/show_ipv6_route.ref
index 4b920eda01..4b920eda01 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt1/step3/show_ipv6_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt1/step3/show_ipv6_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt1/step4/show_ip_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt1/step4/show_ip_route.ref
index 8557f4b010..8557f4b010 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt1/step4/show_ip_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt1/step4/show_ip_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt1/step4/show_ipv6_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt1/step4/show_ipv6_route.ref
index fa76533756..fa76533756 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt1/step4/show_ipv6_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt1/step4/show_ipv6_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt1/zebra.conf b/tests/topotests/isis_lsp_bits_topo1/rt1/zebra.conf
index 9d71d3005f..9d71d3005f 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt1/zebra.conf
+++ b/tests/topotests/isis_lsp_bits_topo1/rt1/zebra.conf
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt2/isisd.conf b/tests/topotests/isis_lsp_bits_topo1/rt2/isisd.conf
index 2bc4c4ad97..2bc4c4ad97 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt2/isisd.conf
+++ b/tests/topotests/isis_lsp_bits_topo1/rt2/isisd.conf
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt2/step1/show_ip_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt2/step1/show_ip_route.ref
index d7e886ce86..d7e886ce86 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt2/step1/show_ip_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt2/step1/show_ip_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt2/step1/show_ipv6_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt2/step1/show_ipv6_route.ref
index a92272f6d0..a92272f6d0 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt2/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt2/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt2/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_lsp_bits_topo1/rt2/step1/show_yang_interface_isis_adjacencies.ref
index c70b44e1c9..c70b44e1c9 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt2/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt2/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt2/zebra.conf b/tests/topotests/isis_lsp_bits_topo1/rt2/zebra.conf
index 234e10efa9..234e10efa9 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt2/zebra.conf
+++ b/tests/topotests/isis_lsp_bits_topo1/rt2/zebra.conf
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt3/isisd.conf b/tests/topotests/isis_lsp_bits_topo1/rt3/isisd.conf
index 9ad97109b5..9ad97109b5 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt3/isisd.conf
+++ b/tests/topotests/isis_lsp_bits_topo1/rt3/isisd.conf
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt3/step1/show_ip_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt3/step1/show_ip_route.ref
index 55f0aedef5..55f0aedef5 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt3/step1/show_ip_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt3/step1/show_ip_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt3/step1/show_ipv6_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt3/step1/show_ipv6_route.ref
index 5d6dfca76a..5d6dfca76a 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt3/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt3/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt3/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_lsp_bits_topo1/rt3/step1/show_yang_interface_isis_adjacencies.ref
index 6950086b1e..6950086b1e 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt3/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt3/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt3/zebra.conf b/tests/topotests/isis_lsp_bits_topo1/rt3/zebra.conf
index 9a0defd62b..9a0defd62b 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt3/zebra.conf
+++ b/tests/topotests/isis_lsp_bits_topo1/rt3/zebra.conf
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt4/isisd.conf b/tests/topotests/isis_lsp_bits_topo1/rt4/isisd.conf
index e85412a71d..e85412a71d 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt4/isisd.conf
+++ b/tests/topotests/isis_lsp_bits_topo1/rt4/isisd.conf
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt4/step1/show_ip_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt4/step1/show_ip_route.ref
index 2cf5c40635..2cf5c40635 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt4/step1/show_ip_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt4/step1/show_ip_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt4/step1/show_ipv6_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt4/step1/show_ipv6_route.ref
index cde7287943..cde7287943 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt4/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt4/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt4/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_lsp_bits_topo1/rt4/step1/show_yang_interface_isis_adjacencies.ref
index 233180ceb8..233180ceb8 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt4/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt4/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt4/zebra.conf b/tests/topotests/isis_lsp_bits_topo1/rt4/zebra.conf
index adcf433249..adcf433249 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt4/zebra.conf
+++ b/tests/topotests/isis_lsp_bits_topo1/rt4/zebra.conf
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt5/isisd.conf b/tests/topotests/isis_lsp_bits_topo1/rt5/isisd.conf
index 2cab0c88fc..2cab0c88fc 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt5/isisd.conf
+++ b/tests/topotests/isis_lsp_bits_topo1/rt5/isisd.conf
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt5/step1/show_ip_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt5/step1/show_ip_route.ref
index 358d0a230c..358d0a230c 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt5/step1/show_ip_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt5/step1/show_ip_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt5/step1/show_ipv6_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt5/step1/show_ipv6_route.ref
index 7586c73852..7586c73852 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt5/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt5/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt5/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_lsp_bits_topo1/rt5/step1/show_yang_interface_isis_adjacencies.ref
index f939a6abff..f939a6abff 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt5/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt5/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt5/zebra.conf b/tests/topotests/isis_lsp_bits_topo1/rt5/zebra.conf
index 0f10ce921f..0f10ce921f 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt5/zebra.conf
+++ b/tests/topotests/isis_lsp_bits_topo1/rt5/zebra.conf
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt6/isisd.conf b/tests/topotests/isis_lsp_bits_topo1/rt6/isisd.conf
index 249f945e0c..249f945e0c 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt6/isisd.conf
+++ b/tests/topotests/isis_lsp_bits_topo1/rt6/isisd.conf
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt6/step1/show_ip_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt6/step1/show_ip_route.ref
index 40375792a4..40375792a4 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt6/step1/show_ip_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt6/step1/show_ip_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt6/step1/show_ipv6_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt6/step1/show_ipv6_route.ref
index 278129f481..278129f481 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt6/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt6/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt6/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_lsp_bits_topo1/rt6/step1/show_yang_interface_isis_adjacencies.ref
index b4e8c23189..b4e8c23189 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt6/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt6/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt6/step2/show_ip_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt6/step2/show_ip_route.ref
index 8083be4cfb..8083be4cfb 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt6/step2/show_ip_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt6/step2/show_ip_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt6/step2/show_ipv6_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt6/step2/show_ipv6_route.ref
index 2e982e0c37..2e982e0c37 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt6/step2/show_ipv6_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt6/step2/show_ipv6_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt6/step3/show_ip_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt6/step3/show_ip_route.ref
index 1ba8c8cda8..1ba8c8cda8 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt6/step3/show_ip_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt6/step3/show_ip_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt6/step3/show_ipv6_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt6/step3/show_ipv6_route.ref
index 9b53a1d760..9b53a1d760 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt6/step3/show_ipv6_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt6/step3/show_ipv6_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt6/step4/show_ip_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt6/step4/show_ip_route.ref
index 40375792a4..40375792a4 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt6/step4/show_ip_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt6/step4/show_ip_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt6/step4/show_ipv6_route.ref b/tests/topotests/isis_lsp_bits_topo1/rt6/step4/show_ipv6_route.ref
index 278129f481..278129f481 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt6/step4/show_ipv6_route.ref
+++ b/tests/topotests/isis_lsp_bits_topo1/rt6/step4/show_ipv6_route.ref
diff --git a/tests/topotests/isis-lsp-bits-topo1/rt6/zebra.conf b/tests/topotests/isis_lsp_bits_topo1/rt6/zebra.conf
index 6084010a93..6084010a93 100644
--- a/tests/topotests/isis-lsp-bits-topo1/rt6/zebra.conf
+++ b/tests/topotests/isis_lsp_bits_topo1/rt6/zebra.conf
diff --git a/tests/topotests/isis-lsp-bits-topo1/test_isis_lsp_bits_topo1.py b/tests/topotests/isis_lsp_bits_topo1/test_isis_lsp_bits_topo1.py
index 27dc1073c6..27dc1073c6 100755
--- a/tests/topotests/isis-lsp-bits-topo1/test_isis_lsp_bits_topo1.py
+++ b/tests/topotests/isis_lsp_bits_topo1/test_isis_lsp_bits_topo1.py
diff --git a/tests/topotests/isis-rlfa-topo1/__init__.py b/tests/topotests/isis_rlfa_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-rlfa-topo1/__init__.py
+++ b/tests/topotests/isis_rlfa_topo1/__init__.py
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/isisd.conf b/tests/topotests/isis_rlfa_topo1/rt1/isisd.conf
index a80f30dc7b..a80f30dc7b 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/isisd.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt1/isisd.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/ldpd.conf b/tests/topotests/isis_rlfa_topo1/rt1/ldpd.conf
index f60fdb9742..f60fdb9742 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/ldpd.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt1/ldpd.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step1/show_ip_route.ref b/tests/topotests/isis_rlfa_topo1/rt1/step1/show_ip_route.ref
index 680b31eb8d..680b31eb8d 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step1/show_ip_route.ref
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step1/show_ip_route.ref
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step1/show_ipv6_route.ref b/tests/topotests/isis_rlfa_topo1/rt1/step1/show_ipv6_route.ref
index c487d2740d..c487d2740d 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_rlfa_topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref
index 3fe2b798a0..3fe2b798a0 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step10/show_ip_route.ref.diff b/tests/topotests/isis_rlfa_topo1/rt1/step10/show_ip_route.ref.diff
index ef5707f14a..ef5707f14a 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step10/show_ip_route.ref.diff
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step10/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step10/show_ipv6_route.ref.diff b/tests/topotests/isis_rlfa_topo1/rt1/step10/show_ipv6_route.ref.diff
index acd2ce003a..acd2ce003a 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step10/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step10/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step2/show_ip_route.ref.diff b/tests/topotests/isis_rlfa_topo1/rt1/step2/show_ip_route.ref.diff
index f7f31ac021..f7f31ac021 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step2/show_ip_route.ref.diff
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step2/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step2/show_ipv6_route.ref.diff b/tests/topotests/isis_rlfa_topo1/rt1/step2/show_ipv6_route.ref.diff
index e980031ad7..e980031ad7 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step2/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step2/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step3/show_ip_route.ref.diff b/tests/topotests/isis_rlfa_topo1/rt1/step3/show_ip_route.ref.diff
index f3ed764f0b..f3ed764f0b 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step3/show_ip_route.ref.diff
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step3/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step3/show_ipv6_route.ref.diff b/tests/topotests/isis_rlfa_topo1/rt1/step3/show_ipv6_route.ref.diff
index 57b0b1de1a..57b0b1de1a 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step3/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step3/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step4/show_ip_route.ref.diff b/tests/topotests/isis_rlfa_topo1/rt1/step4/show_ip_route.ref.diff
index 107a0ba2f7..107a0ba2f7 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step4/show_ip_route.ref.diff
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step4/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step4/show_ipv6_route.ref.diff b/tests/topotests/isis_rlfa_topo1/rt1/step4/show_ipv6_route.ref.diff
index 9cf24082e1..9cf24082e1 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step4/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step4/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step5/show_ip_route.ref.diff b/tests/topotests/isis_rlfa_topo1/rt1/step5/show_ip_route.ref.diff
index 09469501f5..09469501f5 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step5/show_ip_route.ref.diff
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step5/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step5/show_ipv6_route.ref.diff b/tests/topotests/isis_rlfa_topo1/rt1/step5/show_ipv6_route.ref.diff
index 70fb1a65c7..70fb1a65c7 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step5/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step5/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step6/show_ip_route.ref.diff b/tests/topotests/isis_rlfa_topo1/rt1/step6/show_ip_route.ref.diff
index 4e4a5692a4..4e4a5692a4 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step6/show_ip_route.ref.diff
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step6/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step6/show_ipv6_route.ref.diff b/tests/topotests/isis_rlfa_topo1/rt1/step6/show_ipv6_route.ref.diff
index c9ebb1e3f5..c9ebb1e3f5 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step6/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step6/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step7/show_ip_route.ref.diff b/tests/topotests/isis_rlfa_topo1/rt1/step7/show_ip_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step7/show_ip_route.ref.diff
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step7/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step7/show_ipv6_route.ref.diff b/tests/topotests/isis_rlfa_topo1/rt1/step7/show_ipv6_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step7/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step7/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step8/show_ip_route.ref.diff b/tests/topotests/isis_rlfa_topo1/rt1/step8/show_ip_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step8/show_ip_route.ref.diff
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step8/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step8/show_ipv6_route.ref.diff b/tests/topotests/isis_rlfa_topo1/rt1/step8/show_ipv6_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step8/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step8/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step9/show_ip_route.ref.diff b/tests/topotests/isis_rlfa_topo1/rt1/step9/show_ip_route.ref.diff
index 33eb6577bd..33eb6577bd 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step9/show_ip_route.ref.diff
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step9/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/step9/show_ipv6_route.ref.diff b/tests/topotests/isis_rlfa_topo1/rt1/step9/show_ipv6_route.ref.diff
index 7aaca3354e..7aaca3354e 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/step9/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_rlfa_topo1/rt1/step9/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-rlfa-topo1/rt1/zebra.conf b/tests/topotests/isis_rlfa_topo1/rt1/zebra.conf
index 741fc2d02b..741fc2d02b 100644
--- a/tests/topotests/isis-rlfa-topo1/rt1/zebra.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt1/zebra.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt2/isisd.conf b/tests/topotests/isis_rlfa_topo1/rt2/isisd.conf
index 7b4c6c50b9..7b4c6c50b9 100644
--- a/tests/topotests/isis-rlfa-topo1/rt2/isisd.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt2/isisd.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt2/ldpd.conf b/tests/topotests/isis_rlfa_topo1/rt2/ldpd.conf
index 0a815ef004..0a815ef004 100644
--- a/tests/topotests/isis-rlfa-topo1/rt2/ldpd.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt2/ldpd.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt2/zebra.conf b/tests/topotests/isis_rlfa_topo1/rt2/zebra.conf
index 657c69bf28..657c69bf28 100644
--- a/tests/topotests/isis-rlfa-topo1/rt2/zebra.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt2/zebra.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt3/isisd.conf b/tests/topotests/isis_rlfa_topo1/rt3/isisd.conf
index 17d58a9d15..17d58a9d15 100644
--- a/tests/topotests/isis-rlfa-topo1/rt3/isisd.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt3/isisd.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt3/ldpd.conf b/tests/topotests/isis_rlfa_topo1/rt3/ldpd.conf
index 40f1f5587a..40f1f5587a 100644
--- a/tests/topotests/isis-rlfa-topo1/rt3/ldpd.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt3/ldpd.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt3/zebra.conf b/tests/topotests/isis_rlfa_topo1/rt3/zebra.conf
index 86f5d2871a..86f5d2871a 100644
--- a/tests/topotests/isis-rlfa-topo1/rt3/zebra.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt3/zebra.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt4/isisd.conf b/tests/topotests/isis_rlfa_topo1/rt4/isisd.conf
index 1519fd4c16..1519fd4c16 100644
--- a/tests/topotests/isis-rlfa-topo1/rt4/isisd.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt4/isisd.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt4/ldpd.conf b/tests/topotests/isis_rlfa_topo1/rt4/ldpd.conf
index 569ecf733e..569ecf733e 100644
--- a/tests/topotests/isis-rlfa-topo1/rt4/ldpd.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt4/ldpd.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt4/zebra.conf b/tests/topotests/isis_rlfa_topo1/rt4/zebra.conf
index 1dd09bf83b..1dd09bf83b 100644
--- a/tests/topotests/isis-rlfa-topo1/rt4/zebra.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt4/zebra.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt5/isisd.conf b/tests/topotests/isis_rlfa_topo1/rt5/isisd.conf
index caf7477073..caf7477073 100644
--- a/tests/topotests/isis-rlfa-topo1/rt5/isisd.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt5/isisd.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt5/ldpd.conf b/tests/topotests/isis_rlfa_topo1/rt5/ldpd.conf
index 519c3d3628..519c3d3628 100644
--- a/tests/topotests/isis-rlfa-topo1/rt5/ldpd.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt5/ldpd.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt5/zebra.conf b/tests/topotests/isis_rlfa_topo1/rt5/zebra.conf
index 7117a2a2e3..7117a2a2e3 100644
--- a/tests/topotests/isis-rlfa-topo1/rt5/zebra.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt5/zebra.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt6/isisd.conf b/tests/topotests/isis_rlfa_topo1/rt6/isisd.conf
index cdf6267236..cdf6267236 100644
--- a/tests/topotests/isis-rlfa-topo1/rt6/isisd.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt6/isisd.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt6/ldpd.conf b/tests/topotests/isis_rlfa_topo1/rt6/ldpd.conf
index a5b7062bec..a5b7062bec 100644
--- a/tests/topotests/isis-rlfa-topo1/rt6/ldpd.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt6/ldpd.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt6/zebra.conf b/tests/topotests/isis_rlfa_topo1/rt6/zebra.conf
index c6344870b7..c6344870b7 100644
--- a/tests/topotests/isis-rlfa-topo1/rt6/zebra.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt6/zebra.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt7/isisd.conf b/tests/topotests/isis_rlfa_topo1/rt7/isisd.conf
index 8ab8fcb232..8ab8fcb232 100644
--- a/tests/topotests/isis-rlfa-topo1/rt7/isisd.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt7/isisd.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt7/ldpd.conf b/tests/topotests/isis_rlfa_topo1/rt7/ldpd.conf
index 26d428c4c6..26d428c4c6 100644
--- a/tests/topotests/isis-rlfa-topo1/rt7/ldpd.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt7/ldpd.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt7/zebra.conf b/tests/topotests/isis_rlfa_topo1/rt7/zebra.conf
index 4c5e0f1126..4c5e0f1126 100644
--- a/tests/topotests/isis-rlfa-topo1/rt7/zebra.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt7/zebra.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt8/isisd.conf b/tests/topotests/isis_rlfa_topo1/rt8/isisd.conf
index abdc6a53a5..abdc6a53a5 100644
--- a/tests/topotests/isis-rlfa-topo1/rt8/isisd.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt8/isisd.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt8/ldpd.conf b/tests/topotests/isis_rlfa_topo1/rt8/ldpd.conf
index 1629f82de1..1629f82de1 100644
--- a/tests/topotests/isis-rlfa-topo1/rt8/ldpd.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt8/ldpd.conf
diff --git a/tests/topotests/isis-rlfa-topo1/rt8/zebra.conf b/tests/topotests/isis_rlfa_topo1/rt8/zebra.conf
index f3f10f649a..f3f10f649a 100644
--- a/tests/topotests/isis-rlfa-topo1/rt8/zebra.conf
+++ b/tests/topotests/isis_rlfa_topo1/rt8/zebra.conf
diff --git a/tests/topotests/isis-rlfa-topo1/test_isis_rlfa_topo1.py b/tests/topotests/isis_rlfa_topo1/test_isis_rlfa_topo1.py
index 9ad41c5934..9ad41c5934 100755
--- a/tests/topotests/isis-rlfa-topo1/test_isis_rlfa_topo1.py
+++ b/tests/topotests/isis_rlfa_topo1/test_isis_rlfa_topo1.py
diff --git a/tests/topotests/isis-snmp/ce3/zebra.conf b/tests/topotests/isis_snmp/ce3/zebra.conf
index c6a5824d15..c6a5824d15 100644
--- a/tests/topotests/isis-snmp/ce3/zebra.conf
+++ b/tests/topotests/isis_snmp/ce3/zebra.conf
diff --git a/tests/topotests/isis-snmp/r1/isisd.conf b/tests/topotests/isis_snmp/r1/isisd.conf
index dd32d3b8a5..dd32d3b8a5 100644
--- a/tests/topotests/isis-snmp/r1/isisd.conf
+++ b/tests/topotests/isis_snmp/r1/isisd.conf
diff --git a/tests/topotests/isis-snmp/r1/ldpd.conf b/tests/topotests/isis_snmp/r1/ldpd.conf
index 4ec296ca5a..4ec296ca5a 100644
--- a/tests/topotests/isis-snmp/r1/ldpd.conf
+++ b/tests/topotests/isis_snmp/r1/ldpd.conf
diff --git a/tests/topotests/isis-snmp/r1/show_ip_route.ref b/tests/topotests/isis_snmp/r1/show_ip_route.ref
index dc8f19dad0..dc8f19dad0 100644
--- a/tests/topotests/isis-snmp/r1/show_ip_route.ref
+++ b/tests/topotests/isis_snmp/r1/show_ip_route.ref
diff --git a/tests/topotests/isis-snmp/r1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_snmp/r1/show_yang_interface_isis_adjacencies.ref
index 390fda749e..390fda749e 100644
--- a/tests/topotests/isis-snmp/r1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_snmp/r1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-snmp/r1/snmpd.conf b/tests/topotests/isis_snmp/r1/snmpd.conf
index b37911da36..b37911da36 100644
--- a/tests/topotests/isis-snmp/r1/snmpd.conf
+++ b/tests/topotests/isis_snmp/r1/snmpd.conf
diff --git a/tests/topotests/isis-snmp/r1/zebra.conf b/tests/topotests/isis_snmp/r1/zebra.conf
index 6ac341e431..6ac341e431 100644
--- a/tests/topotests/isis-snmp/r1/zebra.conf
+++ b/tests/topotests/isis_snmp/r1/zebra.conf
diff --git a/tests/topotests/isis-snmp/r2/isisd.conf b/tests/topotests/isis_snmp/r2/isisd.conf
index 4403d8913b..4403d8913b 100644
--- a/tests/topotests/isis-snmp/r2/isisd.conf
+++ b/tests/topotests/isis_snmp/r2/isisd.conf
diff --git a/tests/topotests/isis-snmp/r2/ldpd.conf b/tests/topotests/isis_snmp/r2/ldpd.conf
index eb963fe41c..eb963fe41c 100644
--- a/tests/topotests/isis-snmp/r2/ldpd.conf
+++ b/tests/topotests/isis_snmp/r2/ldpd.conf
diff --git a/tests/topotests/isis-snmp/r2/show_ip_route.ref b/tests/topotests/isis_snmp/r2/show_ip_route.ref
index 2bcee96064..2bcee96064 100644
--- a/tests/topotests/isis-snmp/r2/show_ip_route.ref
+++ b/tests/topotests/isis_snmp/r2/show_ip_route.ref
diff --git a/tests/topotests/isis-snmp/r2/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_snmp/r2/show_yang_interface_isis_adjacencies.ref
index 52550daf14..52550daf14 100644
--- a/tests/topotests/isis-snmp/r2/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_snmp/r2/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-snmp/r2/snmpd.conf b/tests/topotests/isis_snmp/r2/snmpd.conf
index 0f779b8b91..0f779b8b91 100644
--- a/tests/topotests/isis-snmp/r2/snmpd.conf
+++ b/tests/topotests/isis_snmp/r2/snmpd.conf
diff --git a/tests/topotests/isis-snmp/r2/zebra.conf b/tests/topotests/isis_snmp/r2/zebra.conf
index 4aa7440c33..4aa7440c33 100644
--- a/tests/topotests/isis-snmp/r2/zebra.conf
+++ b/tests/topotests/isis_snmp/r2/zebra.conf
diff --git a/tests/topotests/isis-snmp/r3/isisd.conf b/tests/topotests/isis_snmp/r3/isisd.conf
index e06fe8c1f9..e06fe8c1f9 100644
--- a/tests/topotests/isis-snmp/r3/isisd.conf
+++ b/tests/topotests/isis_snmp/r3/isisd.conf
diff --git a/tests/topotests/isis-snmp/r3/ldpd.conf b/tests/topotests/isis_snmp/r3/ldpd.conf
index 2935caf13b..2935caf13b 100644
--- a/tests/topotests/isis-snmp/r3/ldpd.conf
+++ b/tests/topotests/isis_snmp/r3/ldpd.conf
diff --git a/tests/topotests/isis-snmp/r3/show_ip_route.ref b/tests/topotests/isis_snmp/r3/show_ip_route.ref
index da46f1dfe2..da46f1dfe2 100644
--- a/tests/topotests/isis-snmp/r3/show_ip_route.ref
+++ b/tests/topotests/isis_snmp/r3/show_ip_route.ref
diff --git a/tests/topotests/isis-snmp/r3/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_snmp/r3/show_yang_interface_isis_adjacencies.ref
index 3aafab4e2e..3aafab4e2e 100644
--- a/tests/topotests/isis-snmp/r3/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_snmp/r3/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-snmp/r3/snmpd.conf b/tests/topotests/isis_snmp/r3/snmpd.conf
index 3f3501a6fd..3f3501a6fd 100644
--- a/tests/topotests/isis-snmp/r3/snmpd.conf
+++ b/tests/topotests/isis_snmp/r3/snmpd.conf
diff --git a/tests/topotests/isis-snmp/r3/zebra.conf b/tests/topotests/isis_snmp/r3/zebra.conf
index 6b76114d4d..6b76114d4d 100644
--- a/tests/topotests/isis-snmp/r3/zebra.conf
+++ b/tests/topotests/isis_snmp/r3/zebra.conf
diff --git a/tests/topotests/isis-snmp/r4/isisd.conf b/tests/topotests/isis_snmp/r4/isisd.conf
index 1256141da9..1256141da9 100644
--- a/tests/topotests/isis-snmp/r4/isisd.conf
+++ b/tests/topotests/isis_snmp/r4/isisd.conf
diff --git a/tests/topotests/isis-snmp/r4/ldpd.conf b/tests/topotests/isis_snmp/r4/ldpd.conf
index b27952514b..b27952514b 100644
--- a/tests/topotests/isis-snmp/r4/ldpd.conf
+++ b/tests/topotests/isis_snmp/r4/ldpd.conf
diff --git a/tests/topotests/isis-snmp/r4/show_ip_route.ref b/tests/topotests/isis_snmp/r4/show_ip_route.ref
index da46f1dfe2..da46f1dfe2 100644
--- a/tests/topotests/isis-snmp/r4/show_ip_route.ref
+++ b/tests/topotests/isis_snmp/r4/show_ip_route.ref
diff --git a/tests/topotests/isis-snmp/r4/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_snmp/r4/show_yang_interface_isis_adjacencies.ref
index 86fcfea1a6..86fcfea1a6 100644
--- a/tests/topotests/isis-snmp/r4/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_snmp/r4/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-snmp/r4/snmpd.conf b/tests/topotests/isis_snmp/r4/snmpd.conf
index e5e336d888..e5e336d888 100644
--- a/tests/topotests/isis-snmp/r4/snmpd.conf
+++ b/tests/topotests/isis_snmp/r4/snmpd.conf
diff --git a/tests/topotests/isis-snmp/r4/zebra.conf b/tests/topotests/isis_snmp/r4/zebra.conf
index fa13601164..fa13601164 100644
--- a/tests/topotests/isis-snmp/r4/zebra.conf
+++ b/tests/topotests/isis_snmp/r4/zebra.conf
diff --git a/tests/topotests/isis-snmp/r5/isisd.conf b/tests/topotests/isis_snmp/r5/isisd.conf
index 58859041a9..58859041a9 100644
--- a/tests/topotests/isis-snmp/r5/isisd.conf
+++ b/tests/topotests/isis_snmp/r5/isisd.conf
diff --git a/tests/topotests/isis-snmp/r5/ldpd.conf b/tests/topotests/isis_snmp/r5/ldpd.conf
index f3ba867a9f..f3ba867a9f 100644
--- a/tests/topotests/isis-snmp/r5/ldpd.conf
+++ b/tests/topotests/isis_snmp/r5/ldpd.conf
diff --git a/tests/topotests/isis-snmp/r5/ldpdconf b/tests/topotests/isis_snmp/r5/ldpdconf
index fc700608b5..fc700608b5 100644
--- a/tests/topotests/isis-snmp/r5/ldpdconf
+++ b/tests/topotests/isis_snmp/r5/ldpdconf
diff --git a/tests/topotests/isis-snmp/r5/show_ip_route.ref b/tests/topotests/isis_snmp/r5/show_ip_route.ref
index da46f1dfe2..da46f1dfe2 100644
--- a/tests/topotests/isis-snmp/r5/show_ip_route.ref
+++ b/tests/topotests/isis_snmp/r5/show_ip_route.ref
diff --git a/tests/topotests/isis-snmp/r5/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_snmp/r5/show_yang_interface_isis_adjacencies.ref
index 994e8166ce..994e8166ce 100644
--- a/tests/topotests/isis-snmp/r5/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_snmp/r5/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-snmp/r5/snmpd.conf b/tests/topotests/isis_snmp/r5/snmpd.conf
index 5bebbdebd4..5bebbdebd4 100644
--- a/tests/topotests/isis-snmp/r5/snmpd.conf
+++ b/tests/topotests/isis_snmp/r5/snmpd.conf
diff --git a/tests/topotests/isis-snmp/r5/zebra.conf b/tests/topotests/isis_snmp/r5/zebra.conf
index 7230129f22..7230129f22 100644
--- a/tests/topotests/isis-snmp/r5/zebra.conf
+++ b/tests/topotests/isis_snmp/r5/zebra.conf
diff --git a/tests/topotests/isis-snmp/test_isis_snmp.dot b/tests/topotests/isis_snmp/test_isis_snmp.dot
index 6d8c893712..6d8c893712 100644
--- a/tests/topotests/isis-snmp/test_isis_snmp.dot
+++ b/tests/topotests/isis_snmp/test_isis_snmp.dot
diff --git a/tests/topotests/isis-snmp/test_isis_snmp.py b/tests/topotests/isis_snmp/test_isis_snmp.py
index 04e043847d..04e043847d 100755
--- a/tests/topotests/isis-snmp/test_isis_snmp.py
+++ b/tests/topotests/isis_snmp/test_isis_snmp.py
diff --git a/tests/topotests/isis-sr-te-topo1/dst/zebra.conf b/tests/topotests/isis_sr_te_topo1/dst/zebra.conf
index e873ac8a5c..e873ac8a5c 100644
--- a/tests/topotests/isis-sr-te-topo1/dst/zebra.conf
+++ b/tests/topotests/isis_sr_te_topo1/dst/zebra.conf
diff --git a/tests/topotests/isis-sr-te-topo1/rt1/bgpd.conf b/tests/topotests/isis_sr_te_topo1/rt1/bgpd.conf
index efc03701b5..efc03701b5 100644
--- a/tests/topotests/isis-sr-te-topo1/rt1/bgpd.conf
+++ b/tests/topotests/isis_sr_te_topo1/rt1/bgpd.conf
diff --git a/tests/topotests/isis-sr-te-topo1/rt1/isisd.conf b/tests/topotests/isis_sr_te_topo1/rt1/isisd.conf
index 70ae1b07f5..70ae1b07f5 100644
--- a/tests/topotests/isis-sr-te-topo1/rt1/isisd.conf
+++ b/tests/topotests/isis_sr_te_topo1/rt1/isisd.conf
diff --git a/tests/topotests/isis-sr-te-topo1/rt1/pathd.conf b/tests/topotests/isis_sr_te_topo1/rt1/pathd.conf
index 911971496e..911971496e 100644
--- a/tests/topotests/isis-sr-te-topo1/rt1/pathd.conf
+++ b/tests/topotests/isis_sr_te_topo1/rt1/pathd.conf
diff --git a/tests/topotests/isis-sr-te-topo1/rt1/step1/show_mpls_table_with_candidate.ref b/tests/topotests/isis_sr_te_topo1/rt1/step1/show_mpls_table_with_candidate.ref
index d4b27d157d..d4b27d157d 100644
--- a/tests/topotests/isis-sr-te-topo1/rt1/step1/show_mpls_table_with_candidate.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt1/step1/show_mpls_table_with_candidate.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt1/step1/show_mpls_table_without_candidate.ref b/tests/topotests/isis_sr_te_topo1/rt1/step1/show_mpls_table_without_candidate.ref
index 5fe58d0824..5fe58d0824 100644
--- a/tests/topotests/isis-sr-te-topo1/rt1/step1/show_mpls_table_without_candidate.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt1/step1/show_mpls_table_without_candidate.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt1/step2/show_operational_data.ref b/tests/topotests/isis_sr_te_topo1/rt1/step2/show_operational_data.ref
index 4ef8d946f2..4ef8d946f2 100644
--- a/tests/topotests/isis-sr-te-topo1/rt1/step2/show_operational_data.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt1/step2/show_operational_data.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt1/step2/show_operational_data_with_candidate.ref b/tests/topotests/isis_sr_te_topo1/rt1/step2/show_operational_data_with_candidate.ref
index 9b28f6a42b..9b28f6a42b 100644
--- a/tests/topotests/isis-sr-te-topo1/rt1/step2/show_operational_data_with_candidate.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt1/step2/show_operational_data_with_candidate.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt1/step3/show_operational_data_with_single_candidate.ref b/tests/topotests/isis_sr_te_topo1/rt1/step3/show_operational_data_with_single_candidate.ref
index 9b28f6a42b..9b28f6a42b 100644
--- a/tests/topotests/isis-sr-te-topo1/rt1/step3/show_operational_data_with_single_candidate.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt1/step3/show_operational_data_with_single_candidate.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt1/step3/show_operational_data_with_two_candidates.ref b/tests/topotests/isis_sr_te_topo1/rt1/step3/show_operational_data_with_two_candidates.ref
index 249117198a..249117198a 100644
--- a/tests/topotests/isis-sr-te-topo1/rt1/step3/show_operational_data_with_two_candidates.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt1/step3/show_operational_data_with_two_candidates.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt1/step4/show_mpls_table.ref b/tests/topotests/isis_sr_te_topo1/rt1/step4/show_mpls_table.ref
index 21f71f1254..21f71f1254 100644
--- a/tests/topotests/isis-sr-te-topo1/rt1/step4/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt1/step4/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt1/step4/show_mpls_table_add_segment.ref b/tests/topotests/isis_sr_te_topo1/rt1/step4/show_mpls_table_add_segment.ref
index 3635c89efb..3635c89efb 100644
--- a/tests/topotests/isis-sr-te-topo1/rt1/step4/show_mpls_table_add_segment.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt1/step4/show_mpls_table_add_segment.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt1/step4/show_mpls_table_change_segment.ref b/tests/topotests/isis_sr_te_topo1/rt1/step4/show_mpls_table_change_segment.ref
index 5712d210d4..5712d210d4 100644
--- a/tests/topotests/isis-sr-te-topo1/rt1/step4/show_mpls_table_change_segment.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt1/step4/show_mpls_table_change_segment.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt1/step5/show_ip_route_bgp_active_srte.ref b/tests/topotests/isis_sr_te_topo1/rt1/step5/show_ip_route_bgp_active_srte.ref
index 5a76246e50..5a76246e50 100644
--- a/tests/topotests/isis-sr-te-topo1/rt1/step5/show_ip_route_bgp_active_srte.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt1/step5/show_ip_route_bgp_active_srte.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt1/step5/show_ip_route_bgp_inactive_srte.ref b/tests/topotests/isis_sr_te_topo1/rt1/step5/show_ip_route_bgp_inactive_srte.ref
index 09d5958305..09d5958305 100644
--- a/tests/topotests/isis-sr-te-topo1/rt1/step5/show_ip_route_bgp_inactive_srte.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt1/step5/show_ip_route_bgp_inactive_srte.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt1/step5/show_operational_data_active.ref b/tests/topotests/isis_sr_te_topo1/rt1/step5/show_operational_data_active.ref
index e26039b835..e26039b835 100644
--- a/tests/topotests/isis-sr-te-topo1/rt1/step5/show_operational_data_active.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt1/step5/show_operational_data_active.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt1/step5/show_operational_data_inactive.ref b/tests/topotests/isis_sr_te_topo1/rt1/step5/show_operational_data_inactive.ref
index 01505c0318..01505c0318 100644
--- a/tests/topotests/isis-sr-te-topo1/rt1/step5/show_operational_data_inactive.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt1/step5/show_operational_data_inactive.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt1/zebra.conf b/tests/topotests/isis_sr_te_topo1/rt1/zebra.conf
index 9d71d3005f..9d71d3005f 100644
--- a/tests/topotests/isis-sr-te-topo1/rt1/zebra.conf
+++ b/tests/topotests/isis_sr_te_topo1/rt1/zebra.conf
diff --git a/tests/topotests/isis-sr-te-topo1/rt2/isisd.conf b/tests/topotests/isis_sr_te_topo1/rt2/isisd.conf
index 733f26bc62..733f26bc62 100644
--- a/tests/topotests/isis-sr-te-topo1/rt2/isisd.conf
+++ b/tests/topotests/isis_sr_te_topo1/rt2/isisd.conf
diff --git a/tests/topotests/isis-sr-te-topo1/rt2/zebra.conf b/tests/topotests/isis_sr_te_topo1/rt2/zebra.conf
index dcb0686dc2..dcb0686dc2 100644
--- a/tests/topotests/isis-sr-te-topo1/rt2/zebra.conf
+++ b/tests/topotests/isis_sr_te_topo1/rt2/zebra.conf
diff --git a/tests/topotests/isis-sr-te-topo1/rt3/isisd.conf b/tests/topotests/isis_sr_te_topo1/rt3/isisd.conf
index 2395906cbf..2395906cbf 100644
--- a/tests/topotests/isis-sr-te-topo1/rt3/isisd.conf
+++ b/tests/topotests/isis_sr_te_topo1/rt3/isisd.conf
diff --git a/tests/topotests/isis-sr-te-topo1/rt3/zebra.conf b/tests/topotests/isis_sr_te_topo1/rt3/zebra.conf
index 3254529386..3254529386 100644
--- a/tests/topotests/isis-sr-te-topo1/rt3/zebra.conf
+++ b/tests/topotests/isis_sr_te_topo1/rt3/zebra.conf
diff --git a/tests/topotests/isis-sr-te-topo1/rt4/isisd.conf b/tests/topotests/isis_sr_te_topo1/rt4/isisd.conf
index 07a7867cbb..07a7867cbb 100644
--- a/tests/topotests/isis-sr-te-topo1/rt4/isisd.conf
+++ b/tests/topotests/isis_sr_te_topo1/rt4/isisd.conf
diff --git a/tests/topotests/isis-sr-te-topo1/rt4/zebra.conf b/tests/topotests/isis_sr_te_topo1/rt4/zebra.conf
index 4945897e9d..4945897e9d 100644
--- a/tests/topotests/isis-sr-te-topo1/rt4/zebra.conf
+++ b/tests/topotests/isis_sr_te_topo1/rt4/zebra.conf
diff --git a/tests/topotests/isis-sr-te-topo1/rt5/isisd.conf b/tests/topotests/isis_sr_te_topo1/rt5/isisd.conf
index b0fcdede07..b0fcdede07 100644
--- a/tests/topotests/isis-sr-te-topo1/rt5/isisd.conf
+++ b/tests/topotests/isis_sr_te_topo1/rt5/isisd.conf
diff --git a/tests/topotests/isis-sr-te-topo1/rt5/zebra.conf b/tests/topotests/isis_sr_te_topo1/rt5/zebra.conf
index 4cfea1a59f..4cfea1a59f 100644
--- a/tests/topotests/isis-sr-te-topo1/rt5/zebra.conf
+++ b/tests/topotests/isis_sr_te_topo1/rt5/zebra.conf
diff --git a/tests/topotests/isis-sr-te-topo1/rt6/bgpd.conf b/tests/topotests/isis_sr_te_topo1/rt6/bgpd.conf
index e72ee52fce..e72ee52fce 100644
--- a/tests/topotests/isis-sr-te-topo1/rt6/bgpd.conf
+++ b/tests/topotests/isis_sr_te_topo1/rt6/bgpd.conf
diff --git a/tests/topotests/isis-sr-te-topo1/rt6/isisd.conf b/tests/topotests/isis_sr_te_topo1/rt6/isisd.conf
index 3be24ad24c..3be24ad24c 100644
--- a/tests/topotests/isis-sr-te-topo1/rt6/isisd.conf
+++ b/tests/topotests/isis_sr_te_topo1/rt6/isisd.conf
diff --git a/tests/topotests/isis-sr-te-topo1/rt6/pathd.conf b/tests/topotests/isis_sr_te_topo1/rt6/pathd.conf
index 3bada7147c..3bada7147c 100644
--- a/tests/topotests/isis-sr-te-topo1/rt6/pathd.conf
+++ b/tests/topotests/isis_sr_te_topo1/rt6/pathd.conf
diff --git a/tests/topotests/isis-sr-te-topo1/rt6/step1/show_mpls_table_with_candidate.ref b/tests/topotests/isis_sr_te_topo1/rt6/step1/show_mpls_table_with_candidate.ref
index 2bb000346f..2bb000346f 100644
--- a/tests/topotests/isis-sr-te-topo1/rt6/step1/show_mpls_table_with_candidate.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt6/step1/show_mpls_table_with_candidate.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt6/step1/show_mpls_table_without_candidate.ref b/tests/topotests/isis_sr_te_topo1/rt6/step1/show_mpls_table_without_candidate.ref
index 348f7761eb..348f7761eb 100644
--- a/tests/topotests/isis-sr-te-topo1/rt6/step1/show_mpls_table_without_candidate.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt6/step1/show_mpls_table_without_candidate.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt6/step2/show_operational_data.ref b/tests/topotests/isis_sr_te_topo1/rt6/step2/show_operational_data.ref
index 241c80bdd7..241c80bdd7 100644
--- a/tests/topotests/isis-sr-te-topo1/rt6/step2/show_operational_data.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt6/step2/show_operational_data.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt6/step2/show_operational_data_with_candidate.ref b/tests/topotests/isis_sr_te_topo1/rt6/step2/show_operational_data_with_candidate.ref
index 20ea69e386..20ea69e386 100644
--- a/tests/topotests/isis-sr-te-topo1/rt6/step2/show_operational_data_with_candidate.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt6/step2/show_operational_data_with_candidate.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt6/step3/show_operational_data_with_single_candidate.ref b/tests/topotests/isis_sr_te_topo1/rt6/step3/show_operational_data_with_single_candidate.ref
index 20ea69e386..20ea69e386 100644
--- a/tests/topotests/isis-sr-te-topo1/rt6/step3/show_operational_data_with_single_candidate.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt6/step3/show_operational_data_with_single_candidate.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt6/step3/show_operational_data_with_two_candidates.ref b/tests/topotests/isis_sr_te_topo1/rt6/step3/show_operational_data_with_two_candidates.ref
index 10cafe9091..10cafe9091 100644
--- a/tests/topotests/isis-sr-te-topo1/rt6/step3/show_operational_data_with_two_candidates.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt6/step3/show_operational_data_with_two_candidates.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt6/step4/show_mpls_table.ref b/tests/topotests/isis_sr_te_topo1/rt6/step4/show_mpls_table.ref
index 95bf995e2e..95bf995e2e 100644
--- a/tests/topotests/isis-sr-te-topo1/rt6/step4/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_te_topo1/rt6/step4/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-te-topo1/rt6/zebra.conf b/tests/topotests/isis_sr_te_topo1/rt6/zebra.conf
index 32c6e6c4e0..32c6e6c4e0 100644
--- a/tests/topotests/isis-sr-te-topo1/rt6/zebra.conf
+++ b/tests/topotests/isis_sr_te_topo1/rt6/zebra.conf
diff --git a/tests/topotests/isis-sr-te-topo1/test_isis_sr_te_topo1.py b/tests/topotests/isis_sr_te_topo1/test_isis_sr_te_topo1.py
index 6bbb570267..6bbb570267 100755
--- a/tests/topotests/isis-sr-te-topo1/test_isis_sr_te_topo1.py
+++ b/tests/topotests/isis_sr_te_topo1/test_isis_sr_te_topo1.py
diff --git a/tests/topotests/isis-sr-topo1/__init__.py b/tests/topotests/isis_sr_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-sr-topo1/__init__.py
+++ b/tests/topotests/isis_sr_topo1/__init__.py
diff --git a/tests/topotests/isis-sr-topo1/rt1/isisd.conf b/tests/topotests/isis_sr_topo1/rt1/isisd.conf
index f441527597..f441527597 100644
--- a/tests/topotests/isis-sr-topo1/rt1/isisd.conf
+++ b/tests/topotests/isis_sr_topo1/rt1/isisd.conf
diff --git a/tests/topotests/isis-sr-topo1/rt1/step1/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt1/step1/show_ip_route.ref
index 53bf8cb445..53bf8cb445 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step1/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step1/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step1/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt1/step1/show_ipv6_route.ref
index 0b39584717..0b39584717 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step1/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt1/step1/show_mpls_table.ref
index 5b1950d8cb..5b1950d8cb 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step1/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step1/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref
index 26f0dffa7a..26f0dffa7a 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step10/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt1/step10/show_ip_route.ref
index c712538c00..c712538c00 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step10/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step10/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step10/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt1/step10/show_ipv6_route.ref
index 0b39584717..0b39584717 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step10/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step10/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step10/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt1/step10/show_mpls_table.ref
index 7e6c72627a..7e6c72627a 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step10/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step10/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step10/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt1/step10/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt1/step10/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step10/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step2/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt1/step2/show_ip_route.ref
index c712538c00..c712538c00 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step2/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step2/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step2/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt1/step2/show_ipv6_route.ref
index 0b39584717..0b39584717 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step2/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step2/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step2/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt1/step2/show_mpls_table.ref
index 5b1950d8cb..5b1950d8cb 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step2/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step2/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step2/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt1/step2/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt1/step2/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step2/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step3/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt1/step3/show_ip_route.ref
index 71f9ebddfb..71f9ebddfb 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step3/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step3/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step3/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt1/step3/show_ipv6_route.ref
index 304c0a475b..304c0a475b 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step3/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step3/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step3/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt1/step3/show_mpls_table.ref
index 94b3cb6d1a..94b3cb6d1a 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step3/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step3/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step3/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt1/step3/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt1/step3/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step3/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step4/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt1/step4/show_ip_route.ref
index c712538c00..c712538c00 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step4/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step4/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step4/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt1/step4/show_ipv6_route.ref
index 0b39584717..0b39584717 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step4/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step4/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step4/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt1/step4/show_mpls_table.ref
index 6500a47fbf..6500a47fbf 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step4/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step4/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step4/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt1/step4/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt1/step4/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step4/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step5/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt1/step5/show_ip_route.ref
index 16d9358468..16d9358468 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step5/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step5/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step5/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt1/step5/show_ipv6_route.ref
index f2093a3fc0..f2093a3fc0 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step5/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step5/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step5/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt1/step5/show_mpls_table.ref
index 94b3cb6d1a..94b3cb6d1a 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step5/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step5/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step5/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt1/step5/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt1/step5/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step5/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step6/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt1/step6/show_ip_route.ref
index c712538c00..c712538c00 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step6/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step6/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step6/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt1/step6/show_ipv6_route.ref
index 0b39584717..0b39584717 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step6/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step6/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step6/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt1/step6/show_mpls_table.ref
index 5b1950d8cb..5b1950d8cb 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step6/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step6/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step6/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt1/step6/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt1/step6/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step6/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step7/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt1/step7/show_ip_route.ref
index c712538c00..c712538c00 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step7/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step7/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step7/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt1/step7/show_ipv6_route.ref
index 0b39584717..0b39584717 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step7/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step7/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step7/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt1/step7/show_mpls_table.ref
index 5b1950d8cb..5b1950d8cb 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step7/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step7/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step7/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt1/step7/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt1/step7/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step7/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step8/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt1/step8/show_ip_route.ref
index c712538c00..c712538c00 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step8/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step8/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step8/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt1/step8/show_ipv6_route.ref
index 0b39584717..0b39584717 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step8/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step8/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step8/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt1/step8/show_mpls_table.ref
index 5b1950d8cb..5b1950d8cb 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step8/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step8/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step8/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt1/step8/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt1/step8/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step8/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step9/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt1/step9/show_ip_route.ref
index c712538c00..c712538c00 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step9/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step9/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step9/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt1/step9/show_ipv6_route.ref
index 0b39584717..0b39584717 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step9/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step9/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step9/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt1/step9/show_mpls_table.ref
index 7e6c72627a..7e6c72627a 100644
--- a/tests/topotests/isis-sr-topo1/rt1/step9/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step9/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/step9/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt1/step9/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt1/step9/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt1/step9/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt1/zebra.conf b/tests/topotests/isis_sr_topo1/rt1/zebra.conf
index 9d71d3005f..9d71d3005f 100644
--- a/tests/topotests/isis-sr-topo1/rt1/zebra.conf
+++ b/tests/topotests/isis_sr_topo1/rt1/zebra.conf
diff --git a/tests/topotests/isis-sr-topo1/rt2/isisd.conf b/tests/topotests/isis_sr_topo1/rt2/isisd.conf
index 796b6ed32c..796b6ed32c 100644
--- a/tests/topotests/isis-sr-topo1/rt2/isisd.conf
+++ b/tests/topotests/isis_sr_topo1/rt2/isisd.conf
diff --git a/tests/topotests/isis-sr-topo1/rt2/step1/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt2/step1/show_ip_route.ref
index 109b94f7a1..109b94f7a1 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step1/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step1/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step1/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt2/step1/show_ipv6_route.ref
index eae700ee47..eae700ee47 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step1/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt2/step1/show_mpls_table.ref
index a32cd1d1bf..a32cd1d1bf 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step1/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step1/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt2/step1/show_yang_interface_isis_adjacencies.ref
index 07f43e5999..07f43e5999 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step10/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt2/step10/show_ip_route.ref
index b7d52cecca..b7d52cecca 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step10/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step10/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step10/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt2/step10/show_ipv6_route.ref
index 355436cbfc..355436cbfc 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step10/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step10/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step10/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt2/step10/show_mpls_table.ref
index 4cbdb9fda9..4cbdb9fda9 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step10/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step10/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step10/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt2/step10/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt2/step10/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step10/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step2/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt2/step2/show_ip_route.ref
index 159392f7f7..159392f7f7 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step2/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step2/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step2/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt2/step2/show_ipv6_route.ref
index e9f63849d8..e9f63849d8 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step2/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step2/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step2/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt2/step2/show_mpls_table.ref
index 0692553808..0692553808 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step2/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step2/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step2/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt2/step2/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt2/step2/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step2/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step3/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt2/step3/show_ip_route.ref
index 16f49ffe46..16f49ffe46 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step3/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step3/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step3/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt2/step3/show_ipv6_route.ref
index bde83c30d0..bde83c30d0 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step3/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step3/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step3/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt2/step3/show_mpls_table.ref
index cbb0d5c695..cbb0d5c695 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step3/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step3/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step3/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt2/step3/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt2/step3/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step3/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step4/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt2/step4/show_ip_route.ref
index 159392f7f7..159392f7f7 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step4/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step4/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step4/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt2/step4/show_ipv6_route.ref
index e9f63849d8..e9f63849d8 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step4/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step4/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step4/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt2/step4/show_mpls_table.ref
index 0692553808..0692553808 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step4/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step4/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step4/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt2/step4/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt2/step4/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step4/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step5/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt2/step5/show_ip_route.ref
index fbfcce10aa..fbfcce10aa 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step5/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step5/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step5/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt2/step5/show_ipv6_route.ref
index f747a96518..f747a96518 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step5/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step5/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step5/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt2/step5/show_mpls_table.ref
index cbb0d5c695..cbb0d5c695 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step5/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step5/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step5/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt2/step5/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt2/step5/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step5/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step6/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt2/step6/show_ip_route.ref
index 159392f7f7..159392f7f7 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step6/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step6/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step6/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt2/step6/show_ipv6_route.ref
index e9f63849d8..e9f63849d8 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step6/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step6/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step6/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt2/step6/show_mpls_table.ref
index 0692553808..0692553808 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step6/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step6/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step6/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt2/step6/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt2/step6/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step6/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step7/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt2/step7/show_ip_route.ref
index 09ab6d4f8a..09ab6d4f8a 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step7/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step7/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step7/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt2/step7/show_ipv6_route.ref
index 851275fbf7..851275fbf7 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step7/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step7/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step7/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt2/step7/show_mpls_table.ref
index 87946aa7b9..87946aa7b9 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step7/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step7/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step7/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt2/step7/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt2/step7/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step7/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step8/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt2/step8/show_ip_route.ref
index 159392f7f7..159392f7f7 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step8/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step8/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step8/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt2/step8/show_ipv6_route.ref
index e9f63849d8..e9f63849d8 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step8/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step8/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step8/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt2/step8/show_mpls_table.ref
index 0692553808..0692553808 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step8/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step8/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step8/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt2/step8/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt2/step8/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step8/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step9/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt2/step9/show_ip_route.ref
index fc82ada7e3..fc82ada7e3 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step9/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step9/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step9/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt2/step9/show_ipv6_route.ref
index 355436cbfc..355436cbfc 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step9/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step9/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step9/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt2/step9/show_mpls_table.ref
index 05201724f4..05201724f4 100644
--- a/tests/topotests/isis-sr-topo1/rt2/step9/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step9/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/step9/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt2/step9/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt2/step9/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt2/step9/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt2/zebra.conf b/tests/topotests/isis_sr_topo1/rt2/zebra.conf
index dcb0686dc2..dcb0686dc2 100644
--- a/tests/topotests/isis-sr-topo1/rt2/zebra.conf
+++ b/tests/topotests/isis_sr_topo1/rt2/zebra.conf
diff --git a/tests/topotests/isis-sr-topo1/rt3/isisd.conf b/tests/topotests/isis_sr_topo1/rt3/isisd.conf
index cc2aa1782b..cc2aa1782b 100644
--- a/tests/topotests/isis-sr-topo1/rt3/isisd.conf
+++ b/tests/topotests/isis_sr_topo1/rt3/isisd.conf
diff --git a/tests/topotests/isis-sr-topo1/rt3/step1/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt3/step1/show_ip_route.ref
index 241f768859..241f768859 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step1/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step1/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step1/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt3/step1/show_ipv6_route.ref
index dd78c7d318..dd78c7d318 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step1/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt3/step1/show_mpls_table.ref
index 8c6fca7b57..8c6fca7b57 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step1/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step1/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt3/step1/show_yang_interface_isis_adjacencies.ref
index 7fa6f5cf47..7fa6f5cf47 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step10/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt3/step10/show_ip_route.ref
index 40a98ab7c6..40a98ab7c6 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step10/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step10/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step10/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt3/step10/show_ipv6_route.ref
index 1fb50407bd..1fb50407bd 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step10/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step10/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step10/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt3/step10/show_mpls_table.ref
index 44ddc4bc14..44ddc4bc14 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step10/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step10/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step10/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt3/step10/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt3/step10/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step10/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step2/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt3/step2/show_ip_route.ref
index 55d8213c4e..55d8213c4e 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step2/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step2/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step2/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt3/step2/show_ipv6_route.ref
index 4f6441e7b9..4f6441e7b9 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step2/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step2/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step2/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt3/step2/show_mpls_table.ref
index db8253f83d..db8253f83d 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step2/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step2/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step2/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt3/step2/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt3/step2/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step2/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step3/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt3/step3/show_ip_route.ref
index ed5cef8a5b..ed5cef8a5b 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step3/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step3/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step3/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt3/step3/show_ipv6_route.ref
index b33058c3bd..b33058c3bd 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step3/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step3/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step3/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt3/step3/show_mpls_table.ref
index 70cccc0f0b..70cccc0f0b 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step3/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step3/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step3/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt3/step3/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt3/step3/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step3/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step4/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt3/step4/show_ip_route.ref
index 55d8213c4e..55d8213c4e 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step4/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step4/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step4/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt3/step4/show_ipv6_route.ref
index 4f6441e7b9..4f6441e7b9 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step4/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step4/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step4/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt3/step4/show_mpls_table.ref
index db8253f83d..db8253f83d 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step4/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step4/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step4/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt3/step4/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt3/step4/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step4/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step5/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt3/step5/show_ip_route.ref
index 3adcdce58c..3adcdce58c 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step5/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step5/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step5/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt3/step5/show_ipv6_route.ref
index 863e26c30e..863e26c30e 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step5/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step5/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step5/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt3/step5/show_mpls_table.ref
index 70cccc0f0b..70cccc0f0b 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step5/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step5/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step5/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt3/step5/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt3/step5/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step5/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step6/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt3/step6/show_ip_route.ref
index 55d8213c4e..55d8213c4e 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step6/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step6/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step6/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt3/step6/show_ipv6_route.ref
index 4f6441e7b9..4f6441e7b9 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step6/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step6/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step6/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt3/step6/show_mpls_table.ref
index db8253f83d..db8253f83d 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step6/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step6/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step6/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt3/step6/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt3/step6/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step6/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step7/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt3/step7/show_ip_route.ref
index 7f6e05f08b..7f6e05f08b 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step7/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step7/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step7/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt3/step7/show_ipv6_route.ref
index f4770e2ac9..f4770e2ac9 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step7/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step7/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step7/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt3/step7/show_mpls_table.ref
index cb49505f55..cb49505f55 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step7/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step7/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step7/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt3/step7/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt3/step7/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step7/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step8/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt3/step8/show_ip_route.ref
index 55d8213c4e..55d8213c4e 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step8/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step8/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step8/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt3/step8/show_ipv6_route.ref
index 4f6441e7b9..4f6441e7b9 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step8/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step8/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step8/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt3/step8/show_mpls_table.ref
index db8253f83d..db8253f83d 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step8/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step8/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step8/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt3/step8/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt3/step8/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step8/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step9/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt3/step9/show_ip_route.ref
index 40a98ab7c6..40a98ab7c6 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step9/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step9/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step9/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt3/step9/show_ipv6_route.ref
index 1fb50407bd..1fb50407bd 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step9/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step9/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step9/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt3/step9/show_mpls_table.ref
index 44ddc4bc14..44ddc4bc14 100644
--- a/tests/topotests/isis-sr-topo1/rt3/step9/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step9/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/step9/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt3/step9/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt3/step9/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt3/step9/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt3/zebra.conf b/tests/topotests/isis_sr_topo1/rt3/zebra.conf
index 3254529386..3254529386 100644
--- a/tests/topotests/isis-sr-topo1/rt3/zebra.conf
+++ b/tests/topotests/isis_sr_topo1/rt3/zebra.conf
diff --git a/tests/topotests/isis-sr-topo1/rt4/isisd.conf b/tests/topotests/isis_sr_topo1/rt4/isisd.conf
index 3852b1962b..3852b1962b 100644
--- a/tests/topotests/isis-sr-topo1/rt4/isisd.conf
+++ b/tests/topotests/isis_sr_topo1/rt4/isisd.conf
diff --git a/tests/topotests/isis-sr-topo1/rt4/step1/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt4/step1/show_ip_route.ref
index 493f3ab60d..493f3ab60d 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step1/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step1/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step1/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt4/step1/show_ipv6_route.ref
index 217a4a5379..217a4a5379 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step1/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt4/step1/show_mpls_table.ref
index 307403964a..307403964a 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step1/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step1/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt4/step1/show_yang_interface_isis_adjacencies.ref
index 2eb64b6fc9..2eb64b6fc9 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step10/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt4/step10/show_ip_route.ref
index 11bc948319..11bc948319 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step10/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step10/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step10/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt4/step10/show_ipv6_route.ref
index 844f6becf9..844f6becf9 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step10/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step10/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step10/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt4/step10/show_mpls_table.ref
index f275056070..f275056070 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step10/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step10/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step10/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt4/step10/show_yang_interface_isis_adjacencies.ref
index 761cb2fd2f..761cb2fd2f 120000
--- a/tests/topotests/isis-sr-topo1/rt4/step10/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step10/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step2/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt4/step2/show_ip_route.ref
index c2fbdeb30e..c2fbdeb30e 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step2/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step2/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step2/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt4/step2/show_ipv6_route.ref
index 7f823b6896..7f823b6896 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step2/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step2/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step2/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt4/step2/show_mpls_table.ref
index 8dd37880d0..8dd37880d0 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step2/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step2/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step2/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt4/step2/show_yang_interface_isis_adjacencies.ref
index be1e00b8a2..be1e00b8a2 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step2/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step2/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step3/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt4/step3/show_ip_route.ref
index f2a54bf958..f2a54bf958 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step3/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step3/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step3/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt4/step3/show_ipv6_route.ref
index 34afda1966..34afda1966 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step3/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step3/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step3/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt4/step3/show_mpls_table.ref
index 65336d88d1..65336d88d1 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step3/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step3/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step3/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt4/step3/show_yang_interface_isis_adjacencies.ref
index bcade1ca90..bcade1ca90 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step3/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step3/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step4/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt4/step4/show_ip_route.ref
index e930657f8d..e930657f8d 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step4/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step4/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step4/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt4/step4/show_ipv6_route.ref
index ca61c6e81f..ca61c6e81f 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step4/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step4/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step4/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt4/step4/show_mpls_table.ref
index eb95fa94c9..eb95fa94c9 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step4/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step4/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step4/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt4/step4/show_yang_interface_isis_adjacencies.ref
index 761cb2fd2f..761cb2fd2f 120000
--- a/tests/topotests/isis-sr-topo1/rt4/step4/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step4/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step5/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt4/step5/show_ip_route.ref
index 8b0ddd4ee5..8b0ddd4ee5 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step5/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step5/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step5/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt4/step5/show_ipv6_route.ref
index 94e1fac450..94e1fac450 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step5/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step5/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step5/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt4/step5/show_mpls_table.ref
index cd47cfa3a7..cd47cfa3a7 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step5/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step5/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step5/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt4/step5/show_yang_interface_isis_adjacencies.ref
index 761cb2fd2f..761cb2fd2f 120000
--- a/tests/topotests/isis-sr-topo1/rt4/step5/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step5/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step6/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt4/step6/show_ip_route.ref
index e930657f8d..e930657f8d 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step6/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step6/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step6/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt4/step6/show_ipv6_route.ref
index ca61c6e81f..ca61c6e81f 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step6/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step6/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step6/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt4/step6/show_mpls_table.ref
index eb95fa94c9..eb95fa94c9 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step6/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step6/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step6/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt4/step6/show_yang_interface_isis_adjacencies.ref
index 761cb2fd2f..761cb2fd2f 120000
--- a/tests/topotests/isis-sr-topo1/rt4/step6/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step6/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step7/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt4/step7/show_ip_route.ref
index f5ac45504e..f5ac45504e 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step7/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step7/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step7/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt4/step7/show_ipv6_route.ref
index 1599c88122..1599c88122 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step7/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step7/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step7/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt4/step7/show_mpls_table.ref
index 19b0beb164..19b0beb164 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step7/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step7/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step7/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt4/step7/show_yang_interface_isis_adjacencies.ref
index 761cb2fd2f..761cb2fd2f 120000
--- a/tests/topotests/isis-sr-topo1/rt4/step7/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step7/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step8/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt4/step8/show_ip_route.ref
index e930657f8d..e930657f8d 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step8/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step8/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step8/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt4/step8/show_ipv6_route.ref
index ca61c6e81f..ca61c6e81f 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step8/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step8/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step8/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt4/step8/show_mpls_table.ref
index eb95fa94c9..eb95fa94c9 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step8/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step8/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step8/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt4/step8/show_yang_interface_isis_adjacencies.ref
index 761cb2fd2f..761cb2fd2f 120000
--- a/tests/topotests/isis-sr-topo1/rt4/step8/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step8/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step9/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt4/step9/show_ip_route.ref
index a2b939a418..a2b939a418 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step9/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step9/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step9/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt4/step9/show_ipv6_route.ref
index 844f6becf9..844f6becf9 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step9/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step9/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step9/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt4/step9/show_mpls_table.ref
index 5805bf3556..5805bf3556 100644
--- a/tests/topotests/isis-sr-topo1/rt4/step9/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step9/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/step9/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt4/step9/show_yang_interface_isis_adjacencies.ref
index 761cb2fd2f..761cb2fd2f 120000
--- a/tests/topotests/isis-sr-topo1/rt4/step9/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt4/step9/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt4/zebra.conf b/tests/topotests/isis_sr_topo1/rt4/zebra.conf
index 5889901c56..5889901c56 100644
--- a/tests/topotests/isis-sr-topo1/rt4/zebra.conf
+++ b/tests/topotests/isis_sr_topo1/rt4/zebra.conf
diff --git a/tests/topotests/isis-sr-topo1/rt5/isisd.conf b/tests/topotests/isis_sr_topo1/rt5/isisd.conf
index f7beea796c..f7beea796c 100644
--- a/tests/topotests/isis-sr-topo1/rt5/isisd.conf
+++ b/tests/topotests/isis_sr_topo1/rt5/isisd.conf
diff --git a/tests/topotests/isis-sr-topo1/rt5/step1/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt5/step1/show_ip_route.ref
index 0497bd8399..0497bd8399 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step1/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step1/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step1/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt5/step1/show_ipv6_route.ref
index 294567edc8..294567edc8 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step1/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt5/step1/show_mpls_table.ref
index 99d1f773b7..99d1f773b7 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step1/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step1/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt5/step1/show_yang_interface_isis_adjacencies.ref
index 1ff8c2cd4e..1ff8c2cd4e 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step10/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt5/step10/show_ip_route.ref
index 29f4782482..29f4782482 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step10/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step10/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step10/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt5/step10/show_ipv6_route.ref
index c02d3cfaea..c02d3cfaea 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step10/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step10/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step10/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt5/step10/show_mpls_table.ref
index 7cfea2a329..7cfea2a329 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step10/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step10/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step10/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt5/step10/show_yang_interface_isis_adjacencies.ref
index 7cdaabf53f..7cdaabf53f 120000
--- a/tests/topotests/isis-sr-topo1/rt5/step10/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step10/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step2/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt5/step2/show_ip_route.ref
index dc61b86410..dc61b86410 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step2/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step2/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step2/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt5/step2/show_ipv6_route.ref
index fa426317ba..fa426317ba 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step2/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step2/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step2/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt5/step2/show_mpls_table.ref
index 08f1635a39..08f1635a39 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step2/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step2/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step2/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt5/step2/show_yang_interface_isis_adjacencies.ref
index d9ac0a8d00..d9ac0a8d00 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step2/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step2/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step3/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt5/step3/show_ip_route.ref
index 2d983c43b6..2d983c43b6 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step3/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step3/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step3/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt5/step3/show_ipv6_route.ref
index a3e705f384..a3e705f384 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step3/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step3/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step3/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt5/step3/show_mpls_table.ref
index 9980058b12..9980058b12 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step3/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step3/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step3/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt5/step3/show_yang_interface_isis_adjacencies.ref
index 0b8e6ba5b9..0b8e6ba5b9 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step3/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step3/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step4/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt5/step4/show_ip_route.ref
index 0a64db60f6..0a64db60f6 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step4/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step4/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step4/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt5/step4/show_ipv6_route.ref
index e9f8fe227c..e9f8fe227c 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step4/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step4/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step4/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt5/step4/show_mpls_table.ref
index a84ed90b25..a84ed90b25 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step4/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step4/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step4/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt5/step4/show_yang_interface_isis_adjacencies.ref
index d9ac0a8d00..d9ac0a8d00 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step4/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step4/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step5/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt5/step5/show_ip_route.ref
index 88485477e3..88485477e3 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step5/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step5/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step5/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt5/step5/show_ipv6_route.ref
index 60c645092e..60c645092e 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step5/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step5/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step5/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt5/step5/show_mpls_table.ref
index 36c21b041f..36c21b041f 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step5/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step5/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step5/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt5/step5/show_yang_interface_isis_adjacencies.ref
index 7cdaabf53f..7cdaabf53f 120000
--- a/tests/topotests/isis-sr-topo1/rt5/step5/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step5/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step6/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt5/step6/show_ip_route.ref
index 0a64db60f6..0a64db60f6 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step6/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step6/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step6/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt5/step6/show_ipv6_route.ref
index e9f8fe227c..e9f8fe227c 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step6/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step6/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step6/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt5/step6/show_mpls_table.ref
index a84ed90b25..a84ed90b25 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step6/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step6/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step6/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt5/step6/show_yang_interface_isis_adjacencies.ref
index 7cdaabf53f..7cdaabf53f 120000
--- a/tests/topotests/isis-sr-topo1/rt5/step6/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step6/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step7/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt5/step7/show_ip_route.ref
index 769bc4d31e..769bc4d31e 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step7/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step7/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step7/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt5/step7/show_ipv6_route.ref
index e05cc1e282..e05cc1e282 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step7/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step7/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step7/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt5/step7/show_mpls_table.ref
index c98da7effd..c98da7effd 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step7/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step7/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step7/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt5/step7/show_yang_interface_isis_adjacencies.ref
index 7cdaabf53f..7cdaabf53f 120000
--- a/tests/topotests/isis-sr-topo1/rt5/step7/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step7/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step8/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt5/step8/show_ip_route.ref
index 0a64db60f6..0a64db60f6 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step8/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step8/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step8/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt5/step8/show_ipv6_route.ref
index e9f8fe227c..e9f8fe227c 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step8/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step8/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step8/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt5/step8/show_mpls_table.ref
index a84ed90b25..a84ed90b25 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step8/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step8/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step8/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt5/step8/show_yang_interface_isis_adjacencies.ref
index 7cdaabf53f..7cdaabf53f 120000
--- a/tests/topotests/isis-sr-topo1/rt5/step8/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step8/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step9/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt5/step9/show_ip_route.ref
index 34cbf68b21..34cbf68b21 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step9/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step9/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step9/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt5/step9/show_ipv6_route.ref
index c02d3cfaea..c02d3cfaea 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step9/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step9/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step9/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt5/step9/show_mpls_table.ref
index 7cfea2a329..7cfea2a329 100644
--- a/tests/topotests/isis-sr-topo1/rt5/step9/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step9/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/step9/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt5/step9/show_yang_interface_isis_adjacencies.ref
index 7cdaabf53f..7cdaabf53f 120000
--- a/tests/topotests/isis-sr-topo1/rt5/step9/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt5/step9/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt5/zebra.conf b/tests/topotests/isis_sr_topo1/rt5/zebra.conf
index a0c8f2cd7e..a0c8f2cd7e 100644
--- a/tests/topotests/isis-sr-topo1/rt5/zebra.conf
+++ b/tests/topotests/isis_sr_topo1/rt5/zebra.conf
diff --git a/tests/topotests/isis-sr-topo1/rt6/isisd.conf b/tests/topotests/isis_sr_topo1/rt6/isisd.conf
index a29b78f0a4..a29b78f0a4 100644
--- a/tests/topotests/isis-sr-topo1/rt6/isisd.conf
+++ b/tests/topotests/isis_sr_topo1/rt6/isisd.conf
diff --git a/tests/topotests/isis-sr-topo1/rt6/step1/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt6/step1/show_ip_route.ref
index 7b62b0a9c6..7b62b0a9c6 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step1/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step1/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step1/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt6/step1/show_ipv6_route.ref
index 834cdfe6ca..834cdfe6ca 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step1/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt6/step1/show_mpls_table.ref
index 2c526e74f0..2c526e74f0 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step1/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step1/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt6/step1/show_yang_interface_isis_adjacencies.ref
index 734832358f..734832358f 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step10/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt6/step10/show_ip_route.ref
index d430ef5a33..d430ef5a33 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step10/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step10/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step10/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt6/step10/show_ipv6_route.ref
index 834cdfe6ca..834cdfe6ca 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step10/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step10/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step10/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt6/step10/show_mpls_table.ref
index be87ed90a0..be87ed90a0 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step10/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step10/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step10/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt6/step10/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt6/step10/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step10/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step2/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt6/step2/show_ip_route.ref
index 4b204dbc4c..4b204dbc4c 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step2/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step2/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step2/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt6/step2/show_ipv6_route.ref
index 834cdfe6ca..834cdfe6ca 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step2/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step2/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step2/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt6/step2/show_mpls_table.ref
index 2c526e74f0..2c526e74f0 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step2/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step2/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step2/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt6/step2/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt6/step2/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step2/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step3/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt6/step3/show_ip_route.ref
index 2c63c08510..2c63c08510 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step3/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step3/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step3/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt6/step3/show_ipv6_route.ref
index 2c63c08510..2c63c08510 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step3/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step3/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step3/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt6/step3/show_mpls_table.ref
index 2c63c08510..2c63c08510 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step3/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step3/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step3/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt6/step3/show_yang_interface_isis_adjacencies.ref
index 0db3279e44..0db3279e44 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step3/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step3/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step4/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt6/step4/show_ip_route.ref
index 4b204dbc4c..4b204dbc4c 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step4/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step4/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step4/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt6/step4/show_ipv6_route.ref
index 834cdfe6ca..834cdfe6ca 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step4/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step4/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step4/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt6/step4/show_mpls_table.ref
index be87ed90a0..be87ed90a0 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step4/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step4/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step4/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt6/step4/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt6/step4/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step4/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step5/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt6/step5/show_ip_route.ref
index 4b204dbc4c..4b204dbc4c 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step5/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step5/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step5/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt6/step5/show_ipv6_route.ref
index 834cdfe6ca..834cdfe6ca 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step5/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step5/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step5/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt6/step5/show_mpls_table.ref
index be87ed90a0..be87ed90a0 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step5/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step5/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step5/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt6/step5/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt6/step5/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step5/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step6/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt6/step6/show_ip_route.ref
index 4b204dbc4c..4b204dbc4c 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step6/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step6/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step6/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt6/step6/show_ipv6_route.ref
index 834cdfe6ca..834cdfe6ca 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step6/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step6/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step6/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt6/step6/show_mpls_table.ref
index be87ed90a0..be87ed90a0 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step6/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step6/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step6/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt6/step6/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt6/step6/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step6/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step7/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt6/step7/show_ip_route.ref
index 1787988207..1787988207 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step7/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step7/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step7/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt6/step7/show_ipv6_route.ref
index 367d0ed173..367d0ed173 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step7/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step7/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step7/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt6/step7/show_mpls_table.ref
index b44dda298e..b44dda298e 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step7/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step7/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step7/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt6/step7/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt6/step7/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step7/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step8/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt6/step8/show_ip_route.ref
index 4b204dbc4c..4b204dbc4c 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step8/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step8/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step8/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt6/step8/show_ipv6_route.ref
index 834cdfe6ca..834cdfe6ca 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step8/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step8/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step8/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt6/step8/show_mpls_table.ref
index be87ed90a0..be87ed90a0 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step8/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step8/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step8/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt6/step8/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt6/step8/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step8/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step9/show_ip_route.ref b/tests/topotests/isis_sr_topo1/rt6/step9/show_ip_route.ref
index 4b204dbc4c..4b204dbc4c 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step9/show_ip_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step9/show_ip_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step9/show_ipv6_route.ref b/tests/topotests/isis_sr_topo1/rt6/step9/show_ipv6_route.ref
index 834cdfe6ca..834cdfe6ca 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step9/show_ipv6_route.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step9/show_ipv6_route.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step9/show_mpls_table.ref b/tests/topotests/isis_sr_topo1/rt6/step9/show_mpls_table.ref
index be87ed90a0..be87ed90a0 100644
--- a/tests/topotests/isis-sr-topo1/rt6/step9/show_mpls_table.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step9/show_mpls_table.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/step9/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_sr_topo1/rt6/step9/show_yang_interface_isis_adjacencies.ref
index 0879b84d23..0879b84d23 120000
--- a/tests/topotests/isis-sr-topo1/rt6/step9/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_sr_topo1/rt6/step9/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-sr-topo1/rt6/zebra.conf b/tests/topotests/isis_sr_topo1/rt6/zebra.conf
index 6084010a93..6084010a93 100644
--- a/tests/topotests/isis-sr-topo1/rt6/zebra.conf
+++ b/tests/topotests/isis_sr_topo1/rt6/zebra.conf
diff --git a/tests/topotests/isis-sr-topo1/test_isis_sr_topo1.py b/tests/topotests/isis_sr_topo1/test_isis_sr_topo1.py
index c22bd65d2d..c22bd65d2d 100644
--- a/tests/topotests/isis-sr-topo1/test_isis_sr_topo1.py
+++ b/tests/topotests/isis_sr_topo1/test_isis_sr_topo1.py
diff --git a/tests/topotests/isis-tilfa-topo1/__init__.py b/tests/topotests/isis_tilfa_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/__init__.py
+++ b/tests/topotests/isis_tilfa_topo1/__init__.py
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/isisd.conf b/tests/topotests/isis_tilfa_topo1/rt1/isisd.conf
index a447a2aa5a..a447a2aa5a 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/isisd.conf
+++ b/tests/topotests/isis_tilfa_topo1/rt1/isisd.conf
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step1/show_ip_route.ref b/tests/topotests/isis_tilfa_topo1/rt1/step1/show_ip_route.ref
index 92b7437324..92b7437324 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step1/show_ip_route.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step1/show_ip_route.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step1/show_ipv6_route.ref b/tests/topotests/isis_tilfa_topo1/rt1/step1/show_ipv6_route.ref
index 3232121a0f..3232121a0f 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step1/show_mpls_table.ref b/tests/topotests/isis_tilfa_topo1/rt1/step1/show_mpls_table.ref
index aa0357d750..aa0357d750 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step1/show_mpls_table.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step1/show_mpls_table.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_tilfa_topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref
index 26f0dffa7a..26f0dffa7a 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step2/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step2/show_ip_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step2/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step2/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step2/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step2/show_ipv6_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step2/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step2/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step2/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step2/show_mpls_table.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step2/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step2/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step3/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step3/show_ip_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step3/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step3/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step3/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step3/show_ipv6_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step3/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step3/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step3/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step3/show_mpls_table.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step3/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step3/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step4/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step4/show_ip_route.ref.diff
index 10b336f5b8..10b336f5b8 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step4/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step4/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step4/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step4/show_ipv6_route.ref.diff
index 904aaa1ce2..904aaa1ce2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step4/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step4/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step4/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step4/show_mpls_table.ref.diff
index d7d8753131..d7d8753131 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step4/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step4/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step5/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step5/show_ip_route.ref.diff
index b583fa97bd..b583fa97bd 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step5/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step5/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step5/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step5/show_ipv6_route.ref.diff
index d608abec98..d608abec98 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step5/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step5/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step5/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step5/show_mpls_table.ref.diff
index b5161fcd55..b5161fcd55 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step5/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step5/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step6/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step6/show_ip_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step6/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step6/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step6/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step6/show_ipv6_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step6/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step6/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step6/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step6/show_mpls_table.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step6/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step6/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step7/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step7/show_ip_route.ref.diff
index 726aed514f..726aed514f 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step7/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step7/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step7/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step7/show_ipv6_route.ref.diff
index 2049f6fa19..2049f6fa19 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step7/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step7/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step7/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step7/show_mpls_table.ref.diff
index 22301ba1ff..22301ba1ff 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step7/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step7/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step8/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step8/show_ip_route.ref.diff
index 4a1d4805a4..4a1d4805a4 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step8/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step8/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step8/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step8/show_ipv6_route.ref.diff
index eaece74e48..eaece74e48 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step8/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step8/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step8/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step8/show_mpls_table.ref.diff
index 46c17de019..46c17de019 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step8/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step8/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step9/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step9/show_ip_route.ref.diff
index 06efdc96ce..06efdc96ce 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step9/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step9/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step9/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step9/show_ipv6_route.ref.diff
index a58f2d447c..a58f2d447c 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step9/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step9/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/step9/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt1/step9/show_mpls_table.ref.diff
index c0a1ac592b..c0a1ac592b 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/step9/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt1/step9/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt1/zebra.conf b/tests/topotests/isis_tilfa_topo1/rt1/zebra.conf
index 9d71d3005f..9d71d3005f 100644
--- a/tests/topotests/isis-tilfa-topo1/rt1/zebra.conf
+++ b/tests/topotests/isis_tilfa_topo1/rt1/zebra.conf
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/isisd.conf b/tests/topotests/isis_tilfa_topo1/rt2/isisd.conf
index 1a756e2c72..1a756e2c72 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/isisd.conf
+++ b/tests/topotests/isis_tilfa_topo1/rt2/isisd.conf
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step1/show_ip_route.ref b/tests/topotests/isis_tilfa_topo1/rt2/step1/show_ip_route.ref
index 7e1ccd10a2..7e1ccd10a2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step1/show_ip_route.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step1/show_ip_route.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step1/show_ipv6_route.ref b/tests/topotests/isis_tilfa_topo1/rt2/step1/show_ipv6_route.ref
index 6d31f6f26b..6d31f6f26b 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step1/show_mpls_table.ref b/tests/topotests/isis_tilfa_topo1/rt2/step1/show_mpls_table.ref
index b9b906a31d..b9b906a31d 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step1/show_mpls_table.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step1/show_mpls_table.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_tilfa_topo1/rt2/step1/show_yang_interface_isis_adjacencies.ref
index 1ea72a528b..1ea72a528b 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step2/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step2/show_ip_route.ref.diff
index 90e0895639..90e0895639 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step2/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step2/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step2/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step2/show_ipv6_route.ref.diff
index 2d19f20f63..2d19f20f63 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step2/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step2/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step2/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step2/show_mpls_table.ref.diff
index 01fc74a60b..01fc74a60b 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step2/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step2/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step3/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step3/show_ip_route.ref.diff
index d93f036229..d93f036229 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step3/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step3/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step3/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step3/show_ipv6_route.ref.diff
index 68b618e91d..68b618e91d 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step3/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step3/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step3/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step3/show_mpls_table.ref.diff
index 966e153a6b..966e153a6b 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step3/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step3/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step4/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step4/show_ip_route.ref.diff
index dd75d76b9b..dd75d76b9b 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step4/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step4/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step4/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step4/show_ipv6_route.ref.diff
index 63731237ec..63731237ec 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step4/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step4/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step4/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step4/show_mpls_table.ref.diff
index 3872ce4980..3872ce4980 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step4/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step4/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step5/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step5/show_ip_route.ref.diff
index 4d5636436c..4d5636436c 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step5/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step5/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step5/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step5/show_ipv6_route.ref.diff
index f9e0276f85..f9e0276f85 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step5/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step5/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step5/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step5/show_mpls_table.ref.diff
index 6aebbd6c82..6aebbd6c82 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step5/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step5/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step6/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step6/show_ip_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step6/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step6/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step6/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step6/show_ipv6_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step6/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step6/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step6/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step6/show_mpls_table.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step6/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step6/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step7/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step7/show_ip_route.ref.diff
index 5e73b97844..5e73b97844 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step7/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step7/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step7/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step7/show_ipv6_route.ref.diff
index 5dc4e59151..5dc4e59151 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step7/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step7/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step7/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step7/show_mpls_table.ref.diff
index 6c0d7392f0..6c0d7392f0 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step7/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step7/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step8/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step8/show_ip_route.ref.diff
index f5df607613..f5df607613 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step8/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step8/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step8/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step8/show_ipv6_route.ref.diff
index 125f36b1b4..125f36b1b4 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step8/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step8/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step8/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step8/show_mpls_table.ref.diff
index a1d5d795c5..a1d5d795c5 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step8/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step8/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step9/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step9/show_ip_route.ref.diff
index 2475c639c1..2475c639c1 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step9/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step9/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step9/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step9/show_ipv6_route.ref.diff
index 2d21fbcde2..2d21fbcde2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step9/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step9/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/step9/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt2/step9/show_mpls_table.ref.diff
index bc0ec3157e..bc0ec3157e 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/step9/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt2/step9/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt2/zebra.conf b/tests/topotests/isis_tilfa_topo1/rt2/zebra.conf
index dcb0686dc2..dcb0686dc2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt2/zebra.conf
+++ b/tests/topotests/isis_tilfa_topo1/rt2/zebra.conf
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/isisd.conf b/tests/topotests/isis_tilfa_topo1/rt3/isisd.conf
index 986bf2804a..986bf2804a 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/isisd.conf
+++ b/tests/topotests/isis_tilfa_topo1/rt3/isisd.conf
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step1/show_ip_route.ref b/tests/topotests/isis_tilfa_topo1/rt3/step1/show_ip_route.ref
index d70e9fe882..d70e9fe882 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step1/show_ip_route.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step1/show_ip_route.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step1/show_ipv6_route.ref b/tests/topotests/isis_tilfa_topo1/rt3/step1/show_ipv6_route.ref
index 058d33609b..058d33609b 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step1/show_mpls_table.ref b/tests/topotests/isis_tilfa_topo1/rt3/step1/show_mpls_table.ref
index 1912df3f05..1912df3f05 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step1/show_mpls_table.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step1/show_mpls_table.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_tilfa_topo1/rt3/step1/show_yang_interface_isis_adjacencies.ref
index d174b4a475..d174b4a475 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step2/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step2/show_ip_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step2/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step2/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step2/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step2/show_ipv6_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step2/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step2/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step2/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step2/show_mpls_table.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step2/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step2/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step3/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step3/show_ip_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step3/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step3/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step3/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step3/show_ipv6_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step3/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step3/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step3/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step3/show_mpls_table.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step3/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step3/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step4/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step4/show_ip_route.ref.diff
index 9ba73b057a..9ba73b057a 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step4/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step4/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step4/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step4/show_ipv6_route.ref.diff
index 04f61c4eb4..04f61c4eb4 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step4/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step4/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step4/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step4/show_mpls_table.ref.diff
index b3588ca791..b3588ca791 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step4/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step4/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step5/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step5/show_ip_route.ref.diff
index 1af024fc2e..1af024fc2e 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step5/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step5/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step5/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step5/show_ipv6_route.ref.diff
index 7cc79d0e58..7cc79d0e58 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step5/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step5/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step5/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step5/show_mpls_table.ref.diff
index 75a0f01f55..75a0f01f55 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step5/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step5/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step6/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step6/show_ip_route.ref.diff
index c814a2876b..c814a2876b 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step6/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step6/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step6/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step6/show_ipv6_route.ref.diff
index 6f9405f20c..6f9405f20c 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step6/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step6/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step6/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step6/show_mpls_table.ref.diff
index d8c39685de..d8c39685de 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step6/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step6/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step7/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step7/show_ip_route.ref.diff
index c928fcdb4b..c928fcdb4b 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step7/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step7/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step7/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step7/show_ipv6_route.ref.diff
index 0170971781..0170971781 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step7/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step7/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step7/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step7/show_mpls_table.ref.diff
index d7a3ed978f..d7a3ed978f 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step7/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step7/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step8/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step8/show_ip_route.ref.diff
index 41a7ff3255..41a7ff3255 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step8/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step8/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step8/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step8/show_ipv6_route.ref.diff
index bd49f8606b..bd49f8606b 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step8/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step8/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step8/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step8/show_mpls_table.ref.diff
index 4cc69b66f2..4cc69b66f2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step8/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step8/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step9/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step9/show_ip_route.ref.diff
index cc0a482eee..cc0a482eee 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step9/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step9/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step9/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step9/show_ipv6_route.ref.diff
index 650b982f0b..650b982f0b 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step9/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step9/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/step9/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt3/step9/show_mpls_table.ref.diff
index 8ce4f1d266..8ce4f1d266 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/step9/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt3/step9/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt3/zebra.conf b/tests/topotests/isis_tilfa_topo1/rt3/zebra.conf
index 3254529386..3254529386 100644
--- a/tests/topotests/isis-tilfa-topo1/rt3/zebra.conf
+++ b/tests/topotests/isis_tilfa_topo1/rt3/zebra.conf
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/isisd.conf b/tests/topotests/isis_tilfa_topo1/rt4/isisd.conf
index 7d411069d1..7d411069d1 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/isisd.conf
+++ b/tests/topotests/isis_tilfa_topo1/rt4/isisd.conf
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step1/show_ip_route.ref b/tests/topotests/isis_tilfa_topo1/rt4/step1/show_ip_route.ref
index 0ef5d1bc3f..0ef5d1bc3f 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step1/show_ip_route.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step1/show_ip_route.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step1/show_ipv6_route.ref b/tests/topotests/isis_tilfa_topo1/rt4/step1/show_ipv6_route.ref
index b640df30c1..b640df30c1 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step1/show_mpls_table.ref b/tests/topotests/isis_tilfa_topo1/rt4/step1/show_mpls_table.ref
index f60937ccbc..f60937ccbc 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step1/show_mpls_table.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step1/show_mpls_table.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_tilfa_topo1/rt4/step1/show_yang_interface_isis_adjacencies.ref
index 2eb64b6fc9..2eb64b6fc9 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step2/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step2/show_ip_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step2/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step2/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step2/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step2/show_ipv6_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step2/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step2/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step2/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step2/show_mpls_table.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step2/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step2/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step3/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step3/show_ip_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step3/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step3/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step3/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step3/show_ipv6_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step3/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step3/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step3/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step3/show_mpls_table.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step3/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step3/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step4/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step4/show_ip_route.ref.diff
index 8b115c2058..8b115c2058 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step4/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step4/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step4/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step4/show_ipv6_route.ref.diff
index 7f39285089..7f39285089 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step4/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step4/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step4/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step4/show_mpls_table.ref.diff
index 3dcd36c176..3dcd36c176 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step4/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step4/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step5/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step5/show_ip_route.ref.diff
index 484a3147dc..484a3147dc 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step5/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step5/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step5/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step5/show_ipv6_route.ref.diff
index 3ad0085120..3ad0085120 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step5/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step5/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step5/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step5/show_mpls_table.ref.diff
index 20e363375b..20e363375b 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step5/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step5/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step6/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step6/show_ip_route.ref.diff
index 9070414730..9070414730 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step6/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step6/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step6/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step6/show_ipv6_route.ref.diff
index 57a57647a1..57a57647a1 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step6/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step6/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step6/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step6/show_mpls_table.ref.diff
index 94f87854d1..94f87854d1 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step6/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step6/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step7/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step7/show_ip_route.ref.diff
index e54873d5ab..e54873d5ab 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step7/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step7/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step7/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step7/show_ipv6_route.ref.diff
index 92e08f99a0..92e08f99a0 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step7/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step7/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step7/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step7/show_mpls_table.ref.diff
index fb614ebf6a..fb614ebf6a 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step7/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step7/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step8/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step8/show_ip_route.ref.diff
index 252da6e764..252da6e764 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step8/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step8/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step8/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step8/show_ipv6_route.ref.diff
index 7057d2166a..7057d2166a 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step8/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step8/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step8/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step8/show_mpls_table.ref.diff
index 3dc4303b9b..3dc4303b9b 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step8/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step8/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step9/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step9/show_ip_route.ref.diff
index 56f9cc534f..56f9cc534f 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step9/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step9/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step9/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step9/show_ipv6_route.ref.diff
index 41e552177a..41e552177a 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step9/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step9/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/step9/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt4/step9/show_mpls_table.ref.diff
index 627e292518..627e292518 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/step9/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt4/step9/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt4/zebra.conf b/tests/topotests/isis_tilfa_topo1/rt4/zebra.conf
index 4945897e9d..4945897e9d 100644
--- a/tests/topotests/isis-tilfa-topo1/rt4/zebra.conf
+++ b/tests/topotests/isis_tilfa_topo1/rt4/zebra.conf
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/isisd.conf b/tests/topotests/isis_tilfa_topo1/rt5/isisd.conf
index be52eb0322..be52eb0322 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/isisd.conf
+++ b/tests/topotests/isis_tilfa_topo1/rt5/isisd.conf
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step1/show_ip_route.ref b/tests/topotests/isis_tilfa_topo1/rt5/step1/show_ip_route.ref
index 93740e22e0..93740e22e0 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step1/show_ip_route.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step1/show_ip_route.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step1/show_ipv6_route.ref b/tests/topotests/isis_tilfa_topo1/rt5/step1/show_ipv6_route.ref
index 6dafa69adb..6dafa69adb 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step1/show_mpls_table.ref b/tests/topotests/isis_tilfa_topo1/rt5/step1/show_mpls_table.ref
index 0c5861b5e8..0c5861b5e8 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step1/show_mpls_table.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step1/show_mpls_table.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_tilfa_topo1/rt5/step1/show_yang_interface_isis_adjacencies.ref
index 1ff8c2cd4e..1ff8c2cd4e 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step2/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step2/show_ip_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step2/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step2/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step2/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step2/show_ipv6_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step2/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step2/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step2/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step2/show_mpls_table.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step2/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step2/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step3/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step3/show_ip_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step3/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step3/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step3/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step3/show_ipv6_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step3/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step3/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step3/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step3/show_mpls_table.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step3/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step3/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step4/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step4/show_ip_route.ref.diff
index 7545a31b9b..7545a31b9b 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step4/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step4/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step4/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step4/show_ipv6_route.ref.diff
index 1de62bb58e..1de62bb58e 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step4/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step4/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step4/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step4/show_mpls_table.ref.diff
index b3d5252430..b3d5252430 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step4/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step4/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step5/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step5/show_ip_route.ref.diff
index be5d83f463..be5d83f463 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step5/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step5/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step5/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step5/show_ipv6_route.ref.diff
index a856019622..a856019622 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step5/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step5/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step5/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step5/show_mpls_table.ref.diff
index 74caa8620e..74caa8620e 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step5/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step5/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step6/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step6/show_ip_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step6/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step6/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step6/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step6/show_ipv6_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step6/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step6/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step6/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step6/show_mpls_table.ref.diff
index 2883c046fd..2883c046fd 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step6/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step6/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step7/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step7/show_ip_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step7/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step7/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step7/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step7/show_ipv6_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step7/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step7/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step7/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step7/show_mpls_table.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step7/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step7/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step8/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step8/show_ip_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step8/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step8/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step8/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step8/show_ipv6_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step8/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step8/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step8/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step8/show_mpls_table.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step8/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step8/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step9/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step9/show_ip_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step9/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step9/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step9/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step9/show_ipv6_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step9/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step9/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/step9/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt5/step9/show_mpls_table.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/step9/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt5/step9/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt5/zebra.conf b/tests/topotests/isis_tilfa_topo1/rt5/zebra.conf
index 4cfea1a59f..4cfea1a59f 100644
--- a/tests/topotests/isis-tilfa-topo1/rt5/zebra.conf
+++ b/tests/topotests/isis_tilfa_topo1/rt5/zebra.conf
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/isisd.conf b/tests/topotests/isis_tilfa_topo1/rt6/isisd.conf
index db47622a10..db47622a10 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/isisd.conf
+++ b/tests/topotests/isis_tilfa_topo1/rt6/isisd.conf
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step1/show_ip_route.ref b/tests/topotests/isis_tilfa_topo1/rt6/step1/show_ip_route.ref
index b9b43c4139..b9b43c4139 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step1/show_ip_route.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step1/show_ip_route.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step1/show_ipv6_route.ref b/tests/topotests/isis_tilfa_topo1/rt6/step1/show_ipv6_route.ref
index 1b1942939d..1b1942939d 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step1/show_ipv6_route.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step1/show_ipv6_route.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step1/show_mpls_table.ref b/tests/topotests/isis_tilfa_topo1/rt6/step1/show_mpls_table.ref
index 5b52a16f48..5b52a16f48 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step1/show_mpls_table.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step1/show_mpls_table.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/isis_tilfa_topo1/rt6/step1/show_yang_interface_isis_adjacencies.ref
index 734832358f..734832358f 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step2/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step2/show_ip_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step2/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step2/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step2/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step2/show_ipv6_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step2/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step2/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step2/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step2/show_mpls_table.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step2/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step2/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step3/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step3/show_ip_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step3/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step3/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step3/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step3/show_ipv6_route.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step3/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step3/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step3/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step3/show_mpls_table.ref.diff
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step3/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step3/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step4/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step4/show_ip_route.ref.diff
index 7c2f00419a..7c2f00419a 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step4/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step4/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step4/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step4/show_ipv6_route.ref.diff
index 70f872e9de..70f872e9de 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step4/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step4/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step4/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step4/show_mpls_table.ref.diff
index c191763a73..c191763a73 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step4/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step4/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step5/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step5/show_ip_route.ref.diff
index 9f017d2492..9f017d2492 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step5/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step5/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step5/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step5/show_ipv6_route.ref.diff
index 1209504e94..1209504e94 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step5/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step5/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step5/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step5/show_mpls_table.ref.diff
index abf7c2a32d..abf7c2a32d 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step5/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step5/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step6/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step6/show_ip_route.ref.diff
index f318f95e21..f318f95e21 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step6/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step6/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step6/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step6/show_ipv6_route.ref.diff
index 9208491fc8..9208491fc8 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step6/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step6/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step6/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step6/show_mpls_table.ref.diff
index aee8969ded..aee8969ded 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step6/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step6/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step7/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step7/show_ip_route.ref.diff
index 0e6c3ff5cd..0e6c3ff5cd 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step7/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step7/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step7/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step7/show_ipv6_route.ref.diff
index 2fe46c8265..2fe46c8265 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step7/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step7/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step7/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step7/show_mpls_table.ref.diff
index 179a4f460b..179a4f460b 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step7/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step7/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step8/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step8/show_ip_route.ref.diff
index 9d5c440a22..9d5c440a22 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step8/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step8/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step8/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step8/show_ipv6_route.ref.diff
index 21cab20a47..21cab20a47 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step8/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step8/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step8/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step8/show_mpls_table.ref.diff
index 760c5542cb..760c5542cb 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step8/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step8/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step9/show_ip_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step9/show_ip_route.ref.diff
index ee296470c0..ee296470c0 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step9/show_ip_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step9/show_ip_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step9/show_ipv6_route.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step9/show_ipv6_route.ref.diff
index bebca4dcf1..bebca4dcf1 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step9/show_ipv6_route.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step9/show_ipv6_route.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/step9/show_mpls_table.ref.diff b/tests/topotests/isis_tilfa_topo1/rt6/step9/show_mpls_table.ref.diff
index 57347d15be..57347d15be 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/step9/show_mpls_table.ref.diff
+++ b/tests/topotests/isis_tilfa_topo1/rt6/step9/show_mpls_table.ref.diff
diff --git a/tests/topotests/isis-tilfa-topo1/rt6/zebra.conf b/tests/topotests/isis_tilfa_topo1/rt6/zebra.conf
index 6084010a93..6084010a93 100644
--- a/tests/topotests/isis-tilfa-topo1/rt6/zebra.conf
+++ b/tests/topotests/isis_tilfa_topo1/rt6/zebra.conf
diff --git a/tests/topotests/isis-tilfa-topo1/test_isis_tilfa_topo1.py b/tests/topotests/isis_tilfa_topo1/test_isis_tilfa_topo1.py
index 00cb623999..00cb623999 100755
--- a/tests/topotests/isis-tilfa-topo1/test_isis_tilfa_topo1.py
+++ b/tests/topotests/isis_tilfa_topo1/test_isis_tilfa_topo1.py
diff --git a/tests/topotests/isis-topo1-vrf/__init__.py b/tests/topotests/isis_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-topo1-vrf/__init__.py
+++ b/tests/topotests/isis_topo1/__init__.py
diff --git a/tests/topotests/isis-topo1/r1/isisd.conf b/tests/topotests/isis_topo1/r1/isisd.conf
index 4e3761e5a1..4e3761e5a1 100644
--- a/tests/topotests/isis-topo1/r1/isisd.conf
+++ b/tests/topotests/isis_topo1/r1/isisd.conf
diff --git a/tests/topotests/isis-topo1/r1/r1_route.json b/tests/topotests/isis_topo1/r1/r1_route.json
index f94233a80f..f94233a80f 100644
--- a/tests/topotests/isis-topo1/r1/r1_route.json
+++ b/tests/topotests/isis_topo1/r1/r1_route.json
diff --git a/tests/topotests/isis-topo1/r1/r1_route6.json b/tests/topotests/isis_topo1/r1/r1_route6.json
index bd09839fea..bd09839fea 100644
--- a/tests/topotests/isis-topo1/r1/r1_route6.json
+++ b/tests/topotests/isis_topo1/r1/r1_route6.json
diff --git a/tests/topotests/isis-topo1/r1/r1_route6_linux.json b/tests/topotests/isis_topo1/r1/r1_route6_linux.json
index 139747c1cd..139747c1cd 100644
--- a/tests/topotests/isis-topo1/r1/r1_route6_linux.json
+++ b/tests/topotests/isis_topo1/r1/r1_route6_linux.json
diff --git a/tests/topotests/isis-topo1/r1/r1_route_linux.json b/tests/topotests/isis_topo1/r1/r1_route_linux.json
index 6420dec5d7..6420dec5d7 100644
--- a/tests/topotests/isis-topo1/r1/r1_route_linux.json
+++ b/tests/topotests/isis_topo1/r1/r1_route_linux.json
diff --git a/tests/topotests/isis-topo1/r1/r1_topology.json b/tests/topotests/isis_topo1/r1/r1_topology.json
index 6d2bbb80c9..337d6bf5ef 100644
--- a/tests/topotests/isis-topo1/r1/r1_topology.json
+++ b/tests/topotests/isis_topo1/r1/r1_topology.json
@@ -18,9 +18,9 @@
           "vertex": "r1"
         },
         {
-          "metric": "internal",
-          "parent": "0",
-          "type": "IP",
+          "metric": "0",
+          "parent": "r1(4)",
+          "type": "IP internal",
           "vertex": "10.0.20.0/24"
         },
         {
@@ -32,27 +32,27 @@
           "vertex": "r3"
         },
         {
-          "interface": "r3",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r1-eth0",
-          "type": "IP",
+          "interface": "r1-eth0",
+          "metric": "10",
+          "next-hop": "r3",
+          "parent": "r3(4)",
+          "type": "IP TE",
           "vertex": "10.0.10.0/24"
         },
         {
-          "interface": "r3",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r1-eth0",
-          "type": "IP",
+          "interface": "r1-eth0",
+          "metric": "10",
+          "next-hop": "r3",
+          "parent": "r3(4)",
+          "type": "IP TE",
           "vertex": "10.0.20.0/24"
         },
         {
-          "interface": "r3",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r1-eth0",
-          "type": "IP",
+          "interface": "r1-eth0",
+          "metric": "10",
+          "next-hop": "r3",
+          "parent": "r3(4)",
+          "type": "IP TE",
           "vertex": "10.254.0.3/32"
         }
       ],
@@ -61,9 +61,9 @@
           "vertex": "r1"
         },
         {
-          "metric": "internal",
-          "parent": "0",
-          "type": "IP6",
+          "metric": "0",
+          "parent": "r1(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:1:1::/64"
         },
         {
@@ -75,17 +75,19 @@
           "vertex": "r3"
         },
         {
-          "interface": "r3",
-          "next-hop": "10",
-          "parent": "r1-eth0",
-          "type": "IP6",
+          "metric": "10",
+          "interface": "r1-eth0",
+          "next-hop": "r3",
+          "parent": "r3(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:2:1::/64"
         },
         {
-          "interface": "r3",
-          "next-hop": "10",
-          "parent": "r1-eth0",
-          "type": "IP6",
+          "metric": "10",
+          "interface": "r1-eth0",
+          "next-hop": "r3",
+          "parent": "r3(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:f::3/128"
         }
       ]
diff --git a/tests/topotests/isis-topo1/r1/zebra.conf b/tests/topotests/isis_topo1/r1/zebra.conf
index 23cf6252a6..23cf6252a6 100644
--- a/tests/topotests/isis-topo1/r1/zebra.conf
+++ b/tests/topotests/isis_topo1/r1/zebra.conf
diff --git a/tests/topotests/isis-topo1/r2/isisd.conf b/tests/topotests/isis_topo1/r2/isisd.conf
index 14db0940ec..14db0940ec 100644
--- a/tests/topotests/isis-topo1/r2/isisd.conf
+++ b/tests/topotests/isis_topo1/r2/isisd.conf
diff --git a/tests/topotests/isis-topo1/r2/r2_route.json b/tests/topotests/isis_topo1/r2/r2_route.json
index aab651eff0..aab651eff0 100644
--- a/tests/topotests/isis-topo1/r2/r2_route.json
+++ b/tests/topotests/isis_topo1/r2/r2_route.json
diff --git a/tests/topotests/isis-topo1/r2/r2_route6.json b/tests/topotests/isis_topo1/r2/r2_route6.json
index 78c31b3cc5..78c31b3cc5 100644
--- a/tests/topotests/isis-topo1/r2/r2_route6.json
+++ b/tests/topotests/isis_topo1/r2/r2_route6.json
diff --git a/tests/topotests/isis-topo1/r2/r2_route6_linux.json b/tests/topotests/isis_topo1/r2/r2_route6_linux.json
index 50688615a7..50688615a7 100644
--- a/tests/topotests/isis-topo1/r2/r2_route6_linux.json
+++ b/tests/topotests/isis_topo1/r2/r2_route6_linux.json
diff --git a/tests/topotests/isis-topo1/r2/r2_route_linux.json b/tests/topotests/isis_topo1/r2/r2_route_linux.json
index dd3035a1ac..dd3035a1ac 100644
--- a/tests/topotests/isis-topo1/r2/r2_route_linux.json
+++ b/tests/topotests/isis_topo1/r2/r2_route_linux.json
diff --git a/tests/topotests/isis-topo1/r2/r2_topology.json b/tests/topotests/isis_topo1/r2/r2_topology.json
index 396c618caa..de90fb5a32 100644
--- a/tests/topotests/isis-topo1/r2/r2_topology.json
+++ b/tests/topotests/isis_topo1/r2/r2_topology.json
@@ -18,9 +18,9 @@
           "vertex": "r2"
         },
         {
-          "metric": "internal",
-          "parent": "0",
-          "type": "IP",
+          "metric": "0",
+          "parent": "r2(4)",
+          "type": "IP internal",
           "vertex": "10.0.21.0/24"
         },
         {
@@ -32,27 +32,27 @@
           "vertex": "r4"
         },
         {
-          "interface": "r4",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r2-eth0",
-          "type": "IP",
+          "interface": "r2-eth0",
+          "metric": "10",
+          "next-hop": "r4",
+          "parent": "r4(4)",
+          "type": "IP TE",
           "vertex": "10.0.11.0/24"
         },
         {
-          "interface": "r4",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r2-eth0",
-          "type": "IP",
+          "interface": "r2-eth0",
+          "metric": "10",
+          "next-hop": "r4",
+          "parent": "r4(4)",
+          "type": "IP TE",
           "vertex": "10.0.21.0/24"
         },
         {
-          "interface": "r4",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r2-eth0",
-          "type": "IP",
+          "interface": "r2-eth0",
+          "metric": "10",
+          "next-hop": "r4",
+          "parent": "r4(4)",
+          "type": "IP TE",
           "vertex": "10.254.0.4/32"
         }
       ],
@@ -61,9 +61,9 @@
           "vertex": "r2"
         },
         {
-          "metric": "internal",
-          "parent": "0",
-          "type": "IP6",
+          "metric": "0",
+          "parent": "r2(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:1:2::/64"
         },
         {
@@ -75,17 +75,19 @@
           "vertex": "r4"
         },
         {
-          "interface": "r4",
-          "next-hop": "10",
-          "parent": "r2-eth0",
-          "type": "IP6",
+          "metric": "10",
+          "interface": "r2-eth0",
+          "next-hop": "r4",
+          "parent": "r4(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:2:2::/64"
         },
         {
-          "interface": "r4",
-          "next-hop": "10",
-          "parent": "r2-eth0",
-          "type": "IP6",
+          "metric": "10",
+          "interface": "r2-eth0",
+          "next-hop": "r4",
+          "parent": "r4(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:f::4/128"
         }
       ]
diff --git a/tests/topotests/isis-topo1/r2/zebra.conf b/tests/topotests/isis_topo1/r2/zebra.conf
index cf6f8f67d4..cf6f8f67d4 100644
--- a/tests/topotests/isis-topo1/r2/zebra.conf
+++ b/tests/topotests/isis_topo1/r2/zebra.conf
diff --git a/tests/topotests/isis-topo1/r3/isisd.conf b/tests/topotests/isis_topo1/r3/isisd.conf
index 6f36c0fa36..6f36c0fa36 100644
--- a/tests/topotests/isis-topo1/r3/isisd.conf
+++ b/tests/topotests/isis_topo1/r3/isisd.conf
diff --git a/tests/topotests/isis-topo1/r3/r3_route.json b/tests/topotests/isis_topo1/r3/r3_route.json
index 61d05e80bb..61d05e80bb 100644
--- a/tests/topotests/isis-topo1/r3/r3_route.json
+++ b/tests/topotests/isis_topo1/r3/r3_route.json
diff --git a/tests/topotests/isis-topo1/r3/r3_route6.json b/tests/topotests/isis_topo1/r3/r3_route6.json
index 41040240ea..41040240ea 100644
--- a/tests/topotests/isis-topo1/r3/r3_route6.json
+++ b/tests/topotests/isis_topo1/r3/r3_route6.json
diff --git a/tests/topotests/isis-topo1/r3/r3_route6_linux.json b/tests/topotests/isis_topo1/r3/r3_route6_linux.json
index 78993ff420..78993ff420 100644
--- a/tests/topotests/isis-topo1/r3/r3_route6_linux.json
+++ b/tests/topotests/isis_topo1/r3/r3_route6_linux.json
diff --git a/tests/topotests/isis-topo1/r3/r3_route_linux.json b/tests/topotests/isis_topo1/r3/r3_route_linux.json
index 04a2418d00..04a2418d00 100644
--- a/tests/topotests/isis-topo1/r3/r3_route_linux.json
+++ b/tests/topotests/isis_topo1/r3/r3_route_linux.json
diff --git a/tests/topotests/isis-topo1/r3/r3_topology.json b/tests/topotests/isis_topo1/r3/r3_topology.json
index 5ab58c41a6..2d36f9b427 100644
--- a/tests/topotests/isis-topo1/r3/r3_topology.json
+++ b/tests/topotests/isis_topo1/r3/r3_topology.json
@@ -6,9 +6,9 @@
           "vertex": "r3"
         },
         {
-          "metric": "internal",
-          "parent": "0",
-          "type": "IP",
+          "metric": "0",
+          "parent": "r3(4)",
+          "type": "IP internal",
           "vertex": "10.0.10.0/24"
         },
         {
@@ -20,27 +20,27 @@
           "vertex": "r5"
         },
         {
-          "interface": "r5",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r3-eth1",
-          "type": "IP",
+          "interface": "r3-eth1",
+          "metric": "10",
+          "next-hop": "r5",
+          "parent": "r5(4)",
+          "type": "IP TE",
           "vertex": "10.0.10.0/24"
         },
         {
-          "interface": "r5",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r3-eth1",
-          "type": "IP",
+          "interface": "r3-eth1",
+          "metric": "10",
+          "next-hop": "r5",
+          "parent": "r5(4)",
+          "type": "IP TE",
           "vertex": "10.0.11.0/24"
         },
         {
-          "interface": "r5",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r3-eth1",
-          "type": "IP",
+          "interface": "r3-eth1",
+          "metric": "10",
+          "next-hop": "r5",
+          "parent": "r5(4)",
+          "type": "IP TE",
           "vertex": "10.254.0.5/32"
         },
         {
@@ -51,19 +51,19 @@
           "vertex": "r4"
         },
         {
-          "interface": "r5",
-          "metric": "TE",
-          "next-hop": "20",
-          "parent": "r3-eth1",
-          "type": "IP",
+          "interface": "r3-eth1",
+          "metric": "20",
+          "next-hop": "r5",
+          "parent": "r4(4)",
+          "type": "IP TE",
           "vertex": "10.0.21.0/24"
         },
         {
-          "interface": "r5",
-          "metric": "TE",
-          "next-hop": "20",
-          "parent": "r3-eth1",
-          "type": "IP",
+          "interface": "r3-eth1",
+          "metric": "20",
+          "next-hop": "r5",
+          "parent": "r4(4)",
+          "type": "IP TE",
           "vertex": "10.254.0.4/32"
         }
       ],
@@ -72,9 +72,9 @@
           "vertex": "r3"
         },
         {
-          "metric": "internal",
-          "parent": "0",
-          "type": "IP6",
+          "metric": "0",
+          "parent": "r3(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:2:1::/64"
         },
         {
@@ -86,17 +86,19 @@
           "vertex": "r5"
         },
         {
-          "interface": "r5",
-          "next-hop": "10",
-          "parent": "r3-eth1",
-          "type": "IP6",
+          "metric": "10",
+          "interface": "r3-eth1",
+          "next-hop": "r5",
+          "parent": "r5(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:2:2::/64"
         },
         {
-          "interface": "r5",
-          "next-hop": "10",
-          "parent": "r3-eth1",
-          "type": "IP6",
+          "metric": "10",
+          "interface": "r3-eth1",
+          "next-hop": "r5",
+          "parent": "r5(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:f::5/128"
         },
         {
@@ -107,17 +109,19 @@
           "vertex": "r4"
         },
         {
-          "interface": "r5",
-          "next-hop": "20",
-          "parent": "r3-eth1",
-          "type": "IP6",
+          "metric": "20",
+          "interface": "r3-eth1",
+          "next-hop": "r5",
+          "parent": "r4(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:1:2::/64"
         },
         {
-          "interface": "r5",
-          "next-hop": "20",
-          "parent": "r3-eth1",
-          "type": "IP6",
+          "metric": "20",
+          "interface": "r3-eth1",
+          "next-hop": "r5",
+          "parent": "r4(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:f::4/128"
         }
       ]
@@ -128,9 +132,9 @@
           "vertex": "r3"
         },
         {
-          "metric": "internal",
-          "parent": "0",
-          "type": "IP",
+          "metric": "0",
+          "parent": "r3(4)",
+          "type": "IP internal",
           "vertex": "10.0.20.0/24"
         },
         {
@@ -142,19 +146,19 @@
           "vertex": "r1"
         },
         {
-          "interface": "r1",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r3-eth0",
-          "type": "IP",
+          "interface": "r3-eth0",
+          "metric": "10",
+          "next-hop": "r1",
+          "parent": "r1(4)",
+          "type": "IP TE",
           "vertex": "10.0.20.0/24"
         },
         {
-          "interface": "r1",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r3-eth0",
-          "type": "IP",
+          "interface": "r3-eth0",
+          "metric": "10",
+          "next-hop": "r1",
+          "parent": "r1(4)",
+          "type": "IP TE",
           "vertex": "10.254.0.1/32"
         }
       ],
@@ -163,9 +167,9 @@
           "vertex": "r3"
         },
         {
-          "metric": "internal",
-          "parent": "0",
-          "type": "IP6",
+          "metric": "0",
+          "parent": "r3(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:1:1::/64"
         },
         {
@@ -177,10 +181,11 @@
           "vertex": "r1"
         },
         {
-          "interface": "r1",
-          "next-hop": "10",
-          "parent": "r3-eth0",
-          "type": "IP6",
+          "metric": "10",
+          "interface": "r3-eth0",
+          "next-hop": "r1",
+          "parent": "r1(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:f::1/128"
         }
       ]
diff --git a/tests/topotests/isis-topo1/r3/zebra.conf b/tests/topotests/isis_topo1/r3/zebra.conf
index 1e4c0d752e..1e4c0d752e 100644
--- a/tests/topotests/isis-topo1/r3/zebra.conf
+++ b/tests/topotests/isis_topo1/r3/zebra.conf
diff --git a/tests/topotests/isis-topo1/r4/isisd.conf b/tests/topotests/isis_topo1/r4/isisd.conf
index 502e035f50..502e035f50 100644
--- a/tests/topotests/isis-topo1/r4/isisd.conf
+++ b/tests/topotests/isis_topo1/r4/isisd.conf
diff --git a/tests/topotests/isis-topo1/r4/r4_route.json b/tests/topotests/isis_topo1/r4/r4_route.json
index 79361af4b5..79361af4b5 100644
--- a/tests/topotests/isis-topo1/r4/r4_route.json
+++ b/tests/topotests/isis_topo1/r4/r4_route.json
diff --git a/tests/topotests/isis-topo1/r4/r4_route6.json b/tests/topotests/isis_topo1/r4/r4_route6.json
index c0ace9a193..c0ace9a193 100644
--- a/tests/topotests/isis-topo1/r4/r4_route6.json
+++ b/tests/topotests/isis_topo1/r4/r4_route6.json
diff --git a/tests/topotests/isis-topo1/r4/r4_route6_linux.json b/tests/topotests/isis_topo1/r4/r4_route6_linux.json
index 32ea366396..32ea366396 100644
--- a/tests/topotests/isis-topo1/r4/r4_route6_linux.json
+++ b/tests/topotests/isis_topo1/r4/r4_route6_linux.json
diff --git a/tests/topotests/isis-topo1/r4/r4_route_linux.json b/tests/topotests/isis_topo1/r4/r4_route_linux.json
index 5d6553f70d..5d6553f70d 100644
--- a/tests/topotests/isis-topo1/r4/r4_route_linux.json
+++ b/tests/topotests/isis_topo1/r4/r4_route_linux.json
diff --git a/tests/topotests/isis-topo1/r4/r4_topology.json b/tests/topotests/isis_topo1/r4/r4_topology.json
index ae74a60948..e7d7841912 100644
--- a/tests/topotests/isis-topo1/r4/r4_topology.json
+++ b/tests/topotests/isis_topo1/r4/r4_topology.json
@@ -6,9 +6,9 @@
           "vertex": "r4"
         },
         {
-          "metric": "internal",
-          "parent": "0",
-          "type": "IP",
+          "metric": "0",
+          "parent": "r4(4)",
+          "type": "IP internal",
           "vertex": "10.0.11.0/24"
         },
         {
@@ -20,27 +20,27 @@
           "vertex": "r5"
         },
         {
-          "interface": "r5",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r4-eth1",
-          "type": "IP",
+          "interface": "r4-eth1",
+          "metric": "10",
+          "next-hop": "r5",
+          "parent": "r5(4)",
+          "type": "IP TE",
           "vertex": "10.0.10.0/24"
         },
         {
-          "interface": "r5",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r4-eth1",
-          "type": "IP",
+          "interface": "r4-eth1",
+          "metric": "10",
+          "next-hop": "r5",
+          "parent": "r5(4)",
+          "type": "IP TE",
           "vertex": "10.0.11.0/24"
         },
         {
-          "interface": "r5",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r4-eth1",
-          "type": "IP",
+          "interface": "r4-eth1",
+          "metric": "10",
+          "next-hop": "r5",
+          "parent": "r5(4)",
+          "type": "IP TE",
           "vertex": "10.254.0.5/32"
         },
         {
@@ -51,19 +51,19 @@
           "vertex": "r3"
         },
         {
-          "interface": "r5",
-          "metric": "TE",
-          "next-hop": "20",
-          "parent": "r4-eth1",
-          "type": "IP",
+          "interface": "r4-eth1",
+          "metric": "20",
+          "next-hop": "r5",
+          "parent": "r3(4)",
+          "type": "IP TE",
           "vertex": "10.0.20.0/24"
         },
         {
-          "interface": "r5",
-          "metric": "TE",
-          "next-hop": "20",
-          "parent": "r4-eth1",
-          "type": "IP",
+          "interface": "r4-eth1",
+          "metric": "20",
+          "next-hop": "r5",
+          "parent": "r3(4)",
+          "type": "IP TE",
           "vertex": "10.254.0.3/32"
         }
       ],
@@ -72,9 +72,9 @@
           "vertex": "r4"
         },
         {
-          "metric": "internal",
-          "parent": "0",
-          "type": "IP6",
+          "metric": "0",
+          "parent": "r4(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:2:2::/64"
         },
         {
@@ -86,17 +86,19 @@
           "vertex": "r5"
         },
         {
-          "interface": "r5",
-          "next-hop": "10",
-          "parent": "r4-eth1",
-          "type": "IP6",
+          "metric": "10",
+          "interface": "r4-eth1",
+          "next-hop": "r5",
+          "parent": "r5(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:2:1::/64"
         },
         {
-          "interface": "r5",
-          "next-hop": "10",
-          "parent": "r4-eth1",
-          "type": "IP6",
+          "metric": "10",
+          "interface": "r4-eth1",
+          "next-hop": "r5",
+          "parent": "r5(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:f::5/128"
         },
         {
@@ -107,17 +109,19 @@
           "vertex": "r3"
         },
         {
-          "interface": "r5",
-          "next-hop": "20",
-          "parent": "r4-eth1",
-          "type": "IP6",
+          "metric": "20",
+          "interface": "r4-eth1",
+          "next-hop": "r5",
+          "parent": "r3(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:1:1::/64"
         },
         {
-          "interface": "r5",
-          "next-hop": "20",
-          "parent": "r4-eth1",
-          "type": "IP6",
+          "metric": "20",
+          "interface": "r4-eth1",
+          "next-hop": "r5",
+          "parent": "r3(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:f::3/128"
         }
       ]
@@ -128,9 +132,9 @@
           "vertex": "r4"
         },
         {
-          "metric": "internal",
-          "parent": "0",
-          "type": "IP",
+          "metric": "0",
+          "parent": "r4(4)",
+          "type": "IP internal",
           "vertex": "10.0.21.0/24"
         },
         {
@@ -142,19 +146,19 @@
           "vertex": "r2"
         },
         {
-          "interface": "r2",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r4-eth0",
-          "type": "IP",
+          "interface": "r4-eth0",
+          "metric": "10",
+          "next-hop": "r2",
+          "parent": "r2(4)",
+          "type": "IP TE",
           "vertex": "10.0.21.0/24"
         },
         {
-          "interface": "r2",
-          "metric": "TE",
-          "next-hop": "10",
-          "parent": "r4-eth0",
-          "type": "IP",
+          "interface": "r4-eth0",
+          "metric": "10",
+          "next-hop": "r2",
+          "parent": "r2(4)",
+          "type": "IP TE",
           "vertex": "10.254.0.2/32"
         }
       ],
@@ -163,9 +167,9 @@
           "vertex": "r4"
         },
         {
-          "metric": "internal",
-          "parent": "0",
-          "type": "IP6",
+          "metric": "0",
+          "parent": "r4(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:1:2::/64"
         },
         {
@@ -177,10 +181,11 @@
           "vertex": "r2"
         },
         {
-          "interface": "r2",
-          "next-hop": "10",
-          "parent": "r4-eth0",
-          "type": "IP6",
+          "metric": "10",
+          "interface": "r4-eth0",
+          "next-hop": "r2",
+          "parent": "r2(4)",
+          "type": "IP6 internal",
           "vertex": "2001:db8:f::2/128"
         }
       ]
diff --git a/tests/topotests/isis-topo1/r4/zebra.conf b/tests/topotests/isis_topo1/r4/zebra.conf
index 5ca9a3db72..5ca9a3db72 100644
--- a/tests/topotests/isis-topo1/r4/zebra.conf
+++ b/tests/topotests/isis_topo1/r4/zebra.conf
diff --git a/tests/topotests/isis-topo1/r5/isisd.conf b/tests/topotests/isis_topo1/r5/isisd.conf
index 42493a4991..42493a4991 100644
--- a/tests/topotests/isis-topo1/r5/isisd.conf
+++ b/tests/topotests/isis_topo1/r5/isisd.conf
diff --git a/tests/topotests/isis-topo1/r5/r5_route.json b/tests/topotests/isis_topo1/r5/r5_route.json
index cca844b27c..cca844b27c 100644
--- a/tests/topotests/isis-topo1/r5/r5_route.json
+++ b/tests/topotests/isis_topo1/r5/r5_route.json
diff --git a/tests/topotests/isis-topo1/r5/r5_route6.json b/tests/topotests/isis_topo1/r5/r5_route6.json
index b9468764d4..b9468764d4 100644
--- a/tests/topotests/isis-topo1/r5/r5_route6.json
+++ b/tests/topotests/isis_topo1/r5/r5_route6.json
diff --git a/tests/topotests/isis-topo1/r5/r5_route6_linux.json b/tests/topotests/isis_topo1/r5/r5_route6_linux.json
index a7343b5330..a7343b5330 100644
--- a/tests/topotests/isis-topo1/r5/r5_route6_linux.json
+++ b/tests/topotests/isis_topo1/r5/r5_route6_linux.json
diff --git a/tests/topotests/isis-topo1/r5/r5_route_linux.json b/tests/topotests/isis_topo1/r5/r5_route_linux.json
index b809896468..b809896468 100644
--- a/tests/topotests/isis-topo1/r5/r5_route_linux.json
+++ b/tests/topotests/isis_topo1/r5/r5_route_linux.json
diff --git a/tests/topotests/isis_topo1/r5/r5_topology.json b/tests/topotests/isis_topo1/r5/r5_topology.json
new file mode 100644
index 0000000000..3d887b7cea
--- /dev/null
+++ b/tests/topotests/isis_topo1/r5/r5_topology.json
@@ -0,0 +1,156 @@
+{
+  "1": {
+    "level-1": {
+      "ipv4": [
+        {
+          "vertex": "r5"
+        },
+        {
+          "metric": "0",
+          "parent": "r5(4)",
+          "type": "IP internal",
+          "vertex": "10.0.10.0/24"
+        },
+        {
+          "metric": "0",
+          "parent": "r5(4)",
+          "type": "IP internal",
+          "vertex": "10.0.11.0/24"
+        },
+        {
+          "interface": "r5-eth0",
+          "metric": "10",
+          "next-hop": "r3",
+          "parent": "r5(4)",
+          "type": "TE-IS",
+          "vertex": "r3"
+        },
+        {
+          "interface": "r5-eth1",
+          "metric": "10",
+          "next-hop": "r4",
+          "parent": "r5(4)",
+          "type": "TE-IS",
+          "vertex": "r4"
+        },
+        {
+          "interface": "r5-eth0",
+          "metric": "10",
+          "next-hop": "r3",
+          "parent": "r3(4)",
+          "type": "IP TE",
+          "vertex": "10.0.10.0/24"
+        },
+        {
+          "interface": "r5-eth0",
+          "metric": "10",
+          "next-hop": "r3",
+          "parent": "r3(4)",
+          "type": "IP TE",
+          "vertex": "10.0.20.0/24"
+        },
+        {
+          "interface": "r5-eth0",
+          "metric": "10",
+          "next-hop": "r3",
+          "parent": "r3(4)",
+          "type": "IP TE",
+          "vertex": "10.254.0.3/32"
+        },
+        {
+          "interface": "r5-eth1",
+          "metric": "10",
+          "next-hop": "r4",
+          "parent": "r4(4)",
+          "type": "IP TE",
+          "vertex": "10.0.11.0/24"
+        },
+        {
+          "interface": "r5-eth1",
+          "metric": "10",
+          "next-hop": "r4",
+          "parent": "r4(4)",
+          "type": "IP TE",
+          "vertex": "10.0.21.0/24"
+        },
+        {
+          "interface": "r5-eth1",
+          "metric": "10",
+          "next-hop": "r4",
+          "parent": "r4(4)",
+          "type": "IP TE",
+          "vertex": "10.254.0.4/32"
+        }
+      ],
+      "ipv6": [
+        {
+          "vertex": "r5"
+        },
+        {
+          "metric": "0",
+          "parent": "r5(4)",
+          "type": "IP6 internal",
+          "vertex": "2001:db8:2:1::/64"
+        },
+        {
+          "metric": "0",
+          "parent": "r5(4)",
+          "type": "IP6 internal",
+          "vertex": "2001:db8:2:2::/64"
+        },
+        {
+          "interface": "r5-eth0",
+          "metric": "10",
+          "next-hop": "r3",
+          "parent": "r5(4)",
+          "type": "TE-IS",
+          "vertex": "r3"
+        },
+        {
+          "interface": "r5-eth1",
+          "metric": "10",
+          "next-hop": "r4",
+          "parent": "r5(4)",
+          "type": "TE-IS",
+          "vertex": "r4"
+        },
+        {
+          "metric": "10",
+          "interface": "r5-eth0",
+          "next-hop": "r3",
+          "parent": "r3(4)",
+          "type": "IP6 internal",
+          "vertex": "2001:db8:1:1::/64"
+        },
+        {
+          "metric": "10",
+          "interface": "r5-eth0",
+          "next-hop": "r3",
+          "parent": "r3(4)",
+          "type": "IP6 internal",
+          "vertex": "2001:db8:f::3/128"
+        },
+        {
+          "metric": "10",
+          "interface": "r5-eth1",
+          "next-hop": "r4",
+          "parent": "r4(4)",
+          "type": "IP6 internal",
+          "vertex": "2001:db8:1:2::/64"
+        },
+        {
+          "metric": "10",
+          "interface": "r5-eth1",
+          "next-hop": "r4",
+          "parent": "r4(4)",
+          "type": "IP6 internal",
+          "vertex": "2001:db8:f::4/128"
+        }
+      ]
+    },
+    "level-2": {
+      "ipv4": [],
+      "ipv6": []
+    }
+  }
+}
diff --git a/tests/topotests/isis-topo1/r5/zebra.conf b/tests/topotests/isis_topo1/r5/zebra.conf
index 48fed69662..48fed69662 100644
--- a/tests/topotests/isis-topo1/r5/zebra.conf
+++ b/tests/topotests/isis_topo1/r5/zebra.conf
diff --git a/tests/topotests/isis-topo1/test_isis_topo1.dot b/tests/topotests/isis_topo1/test_isis_topo1.dot
index 01f9ba780f..01f9ba780f 100644
--- a/tests/topotests/isis-topo1/test_isis_topo1.dot
+++ b/tests/topotests/isis_topo1/test_isis_topo1.dot
diff --git a/tests/topotests/isis-topo1/test_isis_topo1.jpg b/tests/topotests/isis_topo1/test_isis_topo1.jpg
index 4ad730f2a0..4ad730f2a0 100644
--- a/tests/topotests/isis-topo1/test_isis_topo1.jpg
+++ b/tests/topotests/isis_topo1/test_isis_topo1.jpg
diff --git a/tests/topotests/isis-topo1/test_isis_topo1.py b/tests/topotests/isis_topo1/test_isis_topo1.py
index e7618c7bce..083a8b1e8d 100644
--- a/tests/topotests/isis-topo1/test_isis_topo1.py
+++ b/tests/topotests/isis_topo1/test_isis_topo1.py
@@ -47,6 +47,20 @@ from mininet.topo import Topo
 
 pytestmark = [pytest.mark.isisd]
 
+VERTEX_TYPE_LIST = [
+    "pseudo_IS",
+    "pseudo_TE-IS",
+    "IS",
+    "TE-IS",
+    "ES",
+    "IP internal",
+    "IP external",
+    "IP TE",
+    "IP6 internal",
+    "IP6 external",
+    "UNKNOWN",
+]
+
 
 class ISISTopo1(Topo):
     "Simple two layer ISIS topology"
@@ -263,6 +277,7 @@ def parse_topology(lines, level):
     areas = {}
     area = None
     ipv = None
+    vertex_type_regex = "|".join(VERTEX_TYPE_LIST)
 
     for line in lines:
         area_match = re.match(r"Area (.+):", line)
@@ -282,44 +297,57 @@ def parse_topology(lines, level):
             ipv = "ipv4"
             continue
 
-        item_match = re.match(r"([^ ]+) ([^ ]+) ([^ ]+) ([^ ]+) ([^ ]+) ([^ ]+)", line)
-        if item_match is not None:
+        item_match = re.match(
+            r"([^\s]+) ([^\s]+) ([^\s]+) ([^\s]+) ([^\s]+) ([^\s]+)", line
+        )
+        if (
+            item_match is not None
+            and item_match.group(1) == "Vertex"
+            and item_match.group(2) == "Type"
+            and item_match.group(3) == "Metric"
+            and item_match.group(4) == "Next-Hop"
+            and item_match.group(5) == "Interface"
+            and item_match.group(6) == "Parent"
+        ):
             # Skip header
-            if (
-                item_match.group(1) == "Vertex"
-                and item_match.group(2) == "Type"
-                and item_match.group(3) == "Metric"
-                and item_match.group(4) == "Next-Hop"
-                and item_match.group(5) == "Interface"
-                and item_match.group(6) == "Parent"
-            ):
-                continue
+            continue
 
+        item_match = re.match(
+            r"([^\s]+) ({}) ([0]|([1-9][0-9]*)) ([^\s]+) ([^\s]+) ([^\s]+)".format(
+                vertex_type_regex
+            ),
+            line,
+        )
+        if item_match is not None:
             areas[area][level][ipv].append(
                 {
                     "vertex": item_match.group(1),
                     "type": item_match.group(2),
                     "metric": item_match.group(3),
-                    "next-hop": item_match.group(4),
-                    "interface": item_match.group(5),
-                    "parent": item_match.group(6),
+                    "next-hop": item_match.group(5),
+                    "interface": item_match.group(6),
+                    "parent": item_match.group(7),
                 }
             )
             continue
 
-        item_match = re.match(r"([^ ]+) ([^ ]+) ([^ ]+) ([^ ]+)", line)
+        item_match = re.match(
+            r"([^\s]+) ({}) ([0]|([1-9][0-9]*)) ([^\s]+)".format(vertex_type_regex),
+            line,
+        )
+
         if item_match is not None:
             areas[area][level][ipv].append(
                 {
                     "vertex": item_match.group(1),
                     "type": item_match.group(2),
                     "metric": item_match.group(3),
-                    "parent": item_match.group(4),
+                    "parent": item_match.group(5),
                 }
             )
             continue
 
-        item_match = re.match(r"([^ ]+)", line)
+        item_match = re.match(r"([^\s]+)", line)
         if item_match is not None:
             areas[area][level][ipv].append({"vertex": item_match.group(1)})
             continue
diff --git a/tests/topotests/isis-topo1/__init__.py b/tests/topotests/isis_topo1_vrf/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/isis-topo1/__init__.py
+++ b/tests/topotests/isis_topo1_vrf/__init__.py
diff --git a/tests/topotests/isis-topo1-vrf/r1/isisd.conf b/tests/topotests/isis_topo1_vrf/r1/isisd.conf
index 5fb4c14d0b..5fb4c14d0b 100755
--- a/tests/topotests/isis-topo1-vrf/r1/isisd.conf
+++ b/tests/topotests/isis_topo1_vrf/r1/isisd.conf
diff --git a/tests/topotests/isis-topo1-vrf/r1/r1_route.json b/tests/topotests/isis_topo1_vrf/r1/r1_route.json
index f0a3593a4c..f0a3593a4c 100644
--- a/tests/topotests/isis-topo1-vrf/r1/r1_route.json
+++ b/tests/topotests/isis_topo1_vrf/r1/r1_route.json
diff --git a/tests/topotests/isis-topo1-vrf/r1/r1_route6.json b/tests/topotests/isis_topo1_vrf/r1/r1_route6.json
index 888b9e2c42..888b9e2c42 100644
--- a/tests/topotests/isis-topo1-vrf/r1/r1_route6.json
+++ b/tests/topotests/isis_topo1_vrf/r1/r1_route6.json
diff --git a/tests/topotests/isis-topo1-vrf/r1/r1_route6_linux.json b/tests/topotests/isis_topo1_vrf/r1/r1_route6_linux.json
index d1ace402ba..d1ace402ba 100755
--- a/tests/topotests/isis-topo1-vrf/r1/r1_route6_linux.json
+++ b/tests/topotests/isis_topo1_vrf/r1/r1_route6_linux.json
diff --git a/tests/topotests/isis-topo1-vrf/r1/r1_route_linux.json b/tests/topotests/isis_topo1_vrf/r1/r1_route_linux.json
index 6af22297e9..6af22297e9 100755
--- a/tests/topotests/isis-topo1-vrf/r1/r1_route_linux.json
+++ b/tests/topotests/isis_topo1_vrf/r1/r1_route_linux.json
diff --git a/tests/topotests/isis-topo1-vrf/r1/r1_topology.json b/tests/topotests/isis_topo1_vrf/r1/r1_topology.json
index 1a6fe6d5c6..1a6fe6d5c6 100644
--- a/tests/topotests/isis-topo1-vrf/r1/r1_topology.json
+++ b/tests/topotests/isis_topo1_vrf/r1/r1_topology.json
diff --git a/tests/topotests/isis-topo1-vrf/r1/zebra.conf b/tests/topotests/isis_topo1_vrf/r1/zebra.conf
index fa1c02e5f8..fa1c02e5f8 100755
--- a/tests/topotests/isis-topo1-vrf/r1/zebra.conf
+++ b/tests/topotests/isis_topo1_vrf/r1/zebra.conf
diff --git a/tests/topotests/isis-topo1-vrf/r2/isisd.conf b/tests/topotests/isis_topo1_vrf/r2/isisd.conf
index 0d2bc7ab72..0d2bc7ab72 100755
--- a/tests/topotests/isis-topo1-vrf/r2/isisd.conf
+++ b/tests/topotests/isis_topo1_vrf/r2/isisd.conf
diff --git a/tests/topotests/isis-topo1-vrf/r2/r2_route.json b/tests/topotests/isis_topo1_vrf/r2/r2_route.json
index a26cdfad8e..a26cdfad8e 100644
--- a/tests/topotests/isis-topo1-vrf/r2/r2_route.json
+++ b/tests/topotests/isis_topo1_vrf/r2/r2_route.json
diff --git a/tests/topotests/isis-topo1-vrf/r2/r2_route6.json b/tests/topotests/isis_topo1_vrf/r2/r2_route6.json
index b01789b8d9..b01789b8d9 100644
--- a/tests/topotests/isis-topo1-vrf/r2/r2_route6.json
+++ b/tests/topotests/isis_topo1_vrf/r2/r2_route6.json
diff --git a/tests/topotests/isis-topo1-vrf/r2/r2_route6_linux.json b/tests/topotests/isis_topo1_vrf/r2/r2_route6_linux.json
index 27423e1936..27423e1936 100755
--- a/tests/topotests/isis-topo1-vrf/r2/r2_route6_linux.json
+++ b/tests/topotests/isis_topo1_vrf/r2/r2_route6_linux.json
diff --git a/tests/topotests/isis-topo1-vrf/r2/r2_route_linux.json b/tests/topotests/isis_topo1_vrf/r2/r2_route_linux.json
index 744b0780f3..744b0780f3 100755
--- a/tests/topotests/isis-topo1-vrf/r2/r2_route_linux.json
+++ b/tests/topotests/isis_topo1_vrf/r2/r2_route_linux.json
diff --git a/tests/topotests/isis-topo1-vrf/r2/r2_topology.json b/tests/topotests/isis_topo1_vrf/r2/r2_topology.json
index a77f7977f9..a77f7977f9 100644
--- a/tests/topotests/isis-topo1-vrf/r2/r2_topology.json
+++ b/tests/topotests/isis_topo1_vrf/r2/r2_topology.json
diff --git a/tests/topotests/isis-topo1-vrf/r2/zebra.conf b/tests/topotests/isis_topo1_vrf/r2/zebra.conf
index a62af1749e..a62af1749e 100755
--- a/tests/topotests/isis-topo1-vrf/r2/zebra.conf
+++ b/tests/topotests/isis_topo1_vrf/r2/zebra.conf
diff --git a/tests/topotests/isis-topo1-vrf/r3/isisd.conf b/tests/topotests/isis_topo1_vrf/r3/isisd.conf
index 66092407ab..66092407ab 100755
--- a/tests/topotests/isis-topo1-vrf/r3/isisd.conf
+++ b/tests/topotests/isis_topo1_vrf/r3/isisd.conf
diff --git a/tests/topotests/isis-topo1-vrf/r3/r3_route.json b/tests/topotests/isis_topo1_vrf/r3/r3_route.json
index 9717df5c1a..9717df5c1a 100644
--- a/tests/topotests/isis-topo1-vrf/r3/r3_route.json
+++ b/tests/topotests/isis_topo1_vrf/r3/r3_route.json
diff --git a/tests/topotests/isis-topo1-vrf/r3/r3_route6.json b/tests/topotests/isis_topo1_vrf/r3/r3_route6.json
index 31a1e4620f..31a1e4620f 100644
--- a/tests/topotests/isis-topo1-vrf/r3/r3_route6.json
+++ b/tests/topotests/isis_topo1_vrf/r3/r3_route6.json
diff --git a/tests/topotests/isis-topo1-vrf/r3/r3_route6_linux.json b/tests/topotests/isis_topo1_vrf/r3/r3_route6_linux.json
index bc527d2e1e..bc527d2e1e 100755
--- a/tests/topotests/isis-topo1-vrf/r3/r3_route6_linux.json
+++ b/tests/topotests/isis_topo1_vrf/r3/r3_route6_linux.json
diff --git a/tests/topotests/isis-topo1-vrf/r3/r3_route_linux.json b/tests/topotests/isis_topo1_vrf/r3/r3_route_linux.json
index 515d376475..515d376475 100755
--- a/tests/topotests/isis-topo1-vrf/r3/r3_route_linux.json
+++ b/tests/topotests/isis_topo1_vrf/r3/r3_route_linux.json
diff --git a/tests/topotests/isis-topo1-vrf/r3/r3_topology.json b/tests/topotests/isis_topo1_vrf/r3/r3_topology.json
index 1e5d331965..1e5d331965 100644
--- a/tests/topotests/isis-topo1-vrf/r3/r3_topology.json
+++ b/tests/topotests/isis_topo1_vrf/r3/r3_topology.json
diff --git a/tests/topotests/isis-topo1-vrf/r3/zebra.conf b/tests/topotests/isis_topo1_vrf/r3/zebra.conf
index ac0b810fce..ac0b810fce 100755
--- a/tests/topotests/isis-topo1-vrf/r3/zebra.conf
+++ b/tests/topotests/isis_topo1_vrf/r3/zebra.conf
diff --git a/tests/topotests/isis-topo1-vrf/r4/isisd.conf b/tests/topotests/isis_topo1_vrf/r4/isisd.conf
index 05815e8418..05815e8418 100755
--- a/tests/topotests/isis-topo1-vrf/r4/isisd.conf
+++ b/tests/topotests/isis_topo1_vrf/r4/isisd.conf
diff --git a/tests/topotests/isis-topo1-vrf/r4/r4_route.json b/tests/topotests/isis_topo1_vrf/r4/r4_route.json
index 6cb79b0301..6cb79b0301 100644
--- a/tests/topotests/isis-topo1-vrf/r4/r4_route.json
+++ b/tests/topotests/isis_topo1_vrf/r4/r4_route.json
diff --git a/tests/topotests/isis-topo1-vrf/r4/r4_route6.json b/tests/topotests/isis_topo1_vrf/r4/r4_route6.json
index 88a91749c2..88a91749c2 100644
--- a/tests/topotests/isis-topo1-vrf/r4/r4_route6.json
+++ b/tests/topotests/isis_topo1_vrf/r4/r4_route6.json
diff --git a/tests/topotests/isis-topo1-vrf/r4/r4_route6_linux.json b/tests/topotests/isis_topo1_vrf/r4/r4_route6_linux.json
index b1cd5b9db9..b1cd5b9db9 100755
--- a/tests/topotests/isis-topo1-vrf/r4/r4_route6_linux.json
+++ b/tests/topotests/isis_topo1_vrf/r4/r4_route6_linux.json
diff --git a/tests/topotests/isis-topo1-vrf/r4/r4_route_linux.json b/tests/topotests/isis_topo1_vrf/r4/r4_route_linux.json
index 3198b85789..3198b85789 100755
--- a/tests/topotests/isis-topo1-vrf/r4/r4_route_linux.json
+++ b/tests/topotests/isis_topo1_vrf/r4/r4_route_linux.json
diff --git a/tests/topotests/isis-topo1-vrf/r4/r4_topology.json b/tests/topotests/isis_topo1_vrf/r4/r4_topology.json
index 34f5ac9ca4..34f5ac9ca4 100644
--- a/tests/topotests/isis-topo1-vrf/r4/r4_topology.json
+++ b/tests/topotests/isis_topo1_vrf/r4/r4_topology.json
diff --git a/tests/topotests/isis-topo1-vrf/r4/zebra.conf b/tests/topotests/isis_topo1_vrf/r4/zebra.conf
index 9c8941f7a5..9c8941f7a5 100755
--- a/tests/topotests/isis-topo1-vrf/r4/zebra.conf
+++ b/tests/topotests/isis_topo1_vrf/r4/zebra.conf
diff --git a/tests/topotests/isis-topo1-vrf/r5/isisd.conf b/tests/topotests/isis_topo1_vrf/r5/isisd.conf
index f663c33fe9..f663c33fe9 100755
--- a/tests/topotests/isis-topo1-vrf/r5/isisd.conf
+++ b/tests/topotests/isis_topo1_vrf/r5/isisd.conf
diff --git a/tests/topotests/isis-topo1-vrf/r5/r5_route.json b/tests/topotests/isis_topo1_vrf/r5/r5_route.json
index 5efa36bce6..5efa36bce6 100644
--- a/tests/topotests/isis-topo1-vrf/r5/r5_route.json
+++ b/tests/topotests/isis_topo1_vrf/r5/r5_route.json
diff --git a/tests/topotests/isis-topo1-vrf/r5/r5_route6.json b/tests/topotests/isis_topo1_vrf/r5/r5_route6.json
index 5e8f6364af..5e8f6364af 100644
--- a/tests/topotests/isis-topo1-vrf/r5/r5_route6.json
+++ b/tests/topotests/isis_topo1_vrf/r5/r5_route6.json
diff --git a/tests/topotests/isis-topo1-vrf/r5/r5_route6_linux.json b/tests/topotests/isis_topo1_vrf/r5/r5_route6_linux.json
index 3db3c93ea6..3db3c93ea6 100755
--- a/tests/topotests/isis-topo1-vrf/r5/r5_route6_linux.json
+++ b/tests/topotests/isis_topo1_vrf/r5/r5_route6_linux.json
diff --git a/tests/topotests/isis-topo1-vrf/r5/r5_route_linux.json b/tests/topotests/isis_topo1_vrf/r5/r5_route_linux.json
index 6a38ba864a..6a38ba864a 100755
--- a/tests/topotests/isis-topo1-vrf/r5/r5_route_linux.json
+++ b/tests/topotests/isis_topo1_vrf/r5/r5_route_linux.json
diff --git a/tests/topotests/isis-topo1-vrf/r5/r5_topology.json b/tests/topotests/isis_topo1_vrf/r5/r5_topology.json
index ace56536e9..ace56536e9 100644
--- a/tests/topotests/isis-topo1-vrf/r5/r5_topology.json
+++ b/tests/topotests/isis_topo1_vrf/r5/r5_topology.json
diff --git a/tests/topotests/isis-topo1-vrf/r5/zebra.conf b/tests/topotests/isis_topo1_vrf/r5/zebra.conf
index c6bc6302fc..c6bc6302fc 100755
--- a/tests/topotests/isis-topo1-vrf/r5/zebra.conf
+++ b/tests/topotests/isis_topo1_vrf/r5/zebra.conf
diff --git a/tests/topotests/isis-topo1-vrf/test_isis_topo1_vrf.dot b/tests/topotests/isis_topo1_vrf/test_isis_topo1_vrf.dot
index 01f9ba780f..01f9ba780f 100755
--- a/tests/topotests/isis-topo1-vrf/test_isis_topo1_vrf.dot
+++ b/tests/topotests/isis_topo1_vrf/test_isis_topo1_vrf.dot
diff --git a/tests/topotests/isis-topo1-vrf/test_isis_topo1_vrf.jpg b/tests/topotests/isis_topo1_vrf/test_isis_topo1_vrf.jpg
index 4ad730f2a0..4ad730f2a0 100755
--- a/tests/topotests/isis-topo1-vrf/test_isis_topo1_vrf.jpg
+++ b/tests/topotests/isis_topo1_vrf/test_isis_topo1_vrf.jpg
diff --git a/tests/topotests/isis-topo1-vrf/test_isis_topo1_vrf.py b/tests/topotests/isis_topo1_vrf/test_isis_topo1_vrf.py
index b7fe0c2ddb..b7fe0c2ddb 100644
--- a/tests/topotests/isis-topo1-vrf/test_isis_topo1_vrf.py
+++ b/tests/topotests/isis_topo1_vrf/test_isis_topo1_vrf.py
diff --git a/tests/topotests/ldp-oc-acl-topo1/r1/ldpd.conf b/tests/topotests/ldp_oc_acl_topo1/r1/ldpd.conf
index 85bb970fdf..85bb970fdf 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r1/ldpd.conf
+++ b/tests/topotests/ldp_oc_acl_topo1/r1/ldpd.conf
diff --git a/tests/topotests/ldp-oc-acl-topo1/r1/ospfd.conf b/tests/topotests/ldp_oc_acl_topo1/r1/ospfd.conf
index 877e14ff36..877e14ff36 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r1/ospfd.conf
+++ b/tests/topotests/ldp_oc_acl_topo1/r1/ospfd.conf
diff --git a/tests/topotests/ldp-oc-acl-topo1/r1/show_ip_ospf_neighbor.json b/tests/topotests/ldp_oc_acl_topo1/r1/show_ip_ospf_neighbor.json
index aa3f74fc5f..aa3f74fc5f 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r1/show_ip_ospf_neighbor.json
+++ b/tests/topotests/ldp_oc_acl_topo1/r1/show_ip_ospf_neighbor.json
diff --git a/tests/topotests/ldp-oc-acl-topo1/r1/show_ip_route.ref b/tests/topotests/ldp_oc_acl_topo1/r1/show_ip_route.ref
index 2131668fc3..2131668fc3 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r1/show_ip_route.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r1/show_ip_route.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r1/show_ldp_all_binding.ref b/tests/topotests/ldp_oc_acl_topo1/r1/show_ldp_all_binding.ref
index 99a59668f8..99a59668f8 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r1/show_ldp_all_binding.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r1/show_ldp_all_binding.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r1/show_ldp_binding.ref b/tests/topotests/ldp_oc_acl_topo1/r1/show_ldp_binding.ref
index ccc8413646..ccc8413646 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r1/show_ldp_binding.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r1/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r1/show_ldp_discovery.ref b/tests/topotests/ldp_oc_acl_topo1/r1/show_ldp_discovery.ref
index b349f4418f..b349f4418f 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r1/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r1/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r1/show_ldp_neighbor.ref b/tests/topotests/ldp_oc_acl_topo1/r1/show_ldp_neighbor.ref
index 4bff444a46..4bff444a46 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r1/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r1/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r1/zebra.conf b/tests/topotests/ldp_oc_acl_topo1/r1/zebra.conf
index 83aea46e64..83aea46e64 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r1/zebra.conf
+++ b/tests/topotests/ldp_oc_acl_topo1/r1/zebra.conf
diff --git a/tests/topotests/ldp-oc-acl-topo1/r2/ldpd.conf b/tests/topotests/ldp_oc_acl_topo1/r2/ldpd.conf
index e1a552c701..e1a552c701 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r2/ldpd.conf
+++ b/tests/topotests/ldp_oc_acl_topo1/r2/ldpd.conf
diff --git a/tests/topotests/ldp-oc-acl-topo1/r2/ospfd.conf b/tests/topotests/ldp_oc_acl_topo1/r2/ospfd.conf
index 8cba1529e8..8cba1529e8 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r2/ospfd.conf
+++ b/tests/topotests/ldp_oc_acl_topo1/r2/ospfd.conf
diff --git a/tests/topotests/ldp-oc-acl-topo1/r2/show_ip_ospf_neighbor.json b/tests/topotests/ldp_oc_acl_topo1/r2/show_ip_ospf_neighbor.json
index aa68198957..aa68198957 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r2/show_ip_ospf_neighbor.json
+++ b/tests/topotests/ldp_oc_acl_topo1/r2/show_ip_ospf_neighbor.json
diff --git a/tests/topotests/ldp-oc-acl-topo1/r2/show_ip_route.ref b/tests/topotests/ldp_oc_acl_topo1/r2/show_ip_route.ref
index 4b1d31a5d3..4b1d31a5d3 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r2/show_ip_route.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r2/show_ip_route.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r2/show_ldp_all_binding.ref b/tests/topotests/ldp_oc_acl_topo1/r2/show_ldp_all_binding.ref
index 95fb847c1e..95fb847c1e 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r2/show_ldp_all_binding.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r2/show_ldp_all_binding.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r2/show_ldp_binding.ref b/tests/topotests/ldp_oc_acl_topo1/r2/show_ldp_binding.ref
index ea32de3eda..ea32de3eda 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r2/show_ldp_binding.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r2/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r2/show_ldp_discovery.ref b/tests/topotests/ldp_oc_acl_topo1/r2/show_ldp_discovery.ref
index 8129570082..8129570082 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r2/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r2/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r2/show_ldp_neighbor.ref b/tests/topotests/ldp_oc_acl_topo1/r2/show_ldp_neighbor.ref
index eed35289ea..eed35289ea 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r2/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r2/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r2/zebra.conf b/tests/topotests/ldp_oc_acl_topo1/r2/zebra.conf
index 1f1e3e391a..1f1e3e391a 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r2/zebra.conf
+++ b/tests/topotests/ldp_oc_acl_topo1/r2/zebra.conf
diff --git a/tests/topotests/ldp-oc-acl-topo1/r3/ldpd.conf b/tests/topotests/ldp_oc_acl_topo1/r3/ldpd.conf
index 4e66b140ac..4e66b140ac 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r3/ldpd.conf
+++ b/tests/topotests/ldp_oc_acl_topo1/r3/ldpd.conf
diff --git a/tests/topotests/ldp-oc-acl-topo1/r3/ospfd.conf b/tests/topotests/ldp_oc_acl_topo1/r3/ospfd.conf
index 0d3a74c4ac..0d3a74c4ac 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r3/ospfd.conf
+++ b/tests/topotests/ldp_oc_acl_topo1/r3/ospfd.conf
diff --git a/tests/topotests/ldp-oc-acl-topo1/r3/show_ip_ospf_neighbor.json b/tests/topotests/ldp_oc_acl_topo1/r3/show_ip_ospf_neighbor.json
index 905774fc46..905774fc46 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r3/show_ip_ospf_neighbor.json
+++ b/tests/topotests/ldp_oc_acl_topo1/r3/show_ip_ospf_neighbor.json
diff --git a/tests/topotests/ldp-oc-acl-topo1/r3/show_ip_route.ref b/tests/topotests/ldp_oc_acl_topo1/r3/show_ip_route.ref
index 4d115caf3e..4d115caf3e 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r3/show_ip_route.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r3/show_ip_route.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r3/show_ldp_all_binding.ref b/tests/topotests/ldp_oc_acl_topo1/r3/show_ldp_all_binding.ref
index 100dd307ea..100dd307ea 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r3/show_ldp_all_binding.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r3/show_ldp_all_binding.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r3/show_ldp_binding.ref b/tests/topotests/ldp_oc_acl_topo1/r3/show_ldp_binding.ref
index bb1b2b3023..bb1b2b3023 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r3/show_ldp_binding.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r3/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r3/show_ldp_discovery.ref b/tests/topotests/ldp_oc_acl_topo1/r3/show_ldp_discovery.ref
index c3a07e7e38..c3a07e7e38 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r3/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r3/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r3/show_ldp_neighbor.ref b/tests/topotests/ldp_oc_acl_topo1/r3/show_ldp_neighbor.ref
index 4bff444a46..4bff444a46 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r3/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r3/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r3/zebra.conf b/tests/topotests/ldp_oc_acl_topo1/r3/zebra.conf
index 234c215ddf..234c215ddf 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r3/zebra.conf
+++ b/tests/topotests/ldp_oc_acl_topo1/r3/zebra.conf
diff --git a/tests/topotests/ldp-oc-acl-topo1/r4/ldpd.conf b/tests/topotests/ldp_oc_acl_topo1/r4/ldpd.conf
index 6b7d28f983..6b7d28f983 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r4/ldpd.conf
+++ b/tests/topotests/ldp_oc_acl_topo1/r4/ldpd.conf
diff --git a/tests/topotests/ldp-oc-acl-topo1/r4/ospfd.conf b/tests/topotests/ldp_oc_acl_topo1/r4/ospfd.conf
index 7bbd228d02..7bbd228d02 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r4/ospfd.conf
+++ b/tests/topotests/ldp_oc_acl_topo1/r4/ospfd.conf
diff --git a/tests/topotests/ldp-oc-acl-topo1/r4/show_ip_ospf_neighbor.json b/tests/topotests/ldp_oc_acl_topo1/r4/show_ip_ospf_neighbor.json
index 67593952ca..67593952ca 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r4/show_ip_ospf_neighbor.json
+++ b/tests/topotests/ldp_oc_acl_topo1/r4/show_ip_ospf_neighbor.json
diff --git a/tests/topotests/ldp-oc-acl-topo1/r4/show_ip_route.ref b/tests/topotests/ldp_oc_acl_topo1/r4/show_ip_route.ref
index 223cbded84..223cbded84 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r4/show_ip_route.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r4/show_ip_route.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r4/show_ldp_all_binding.ref b/tests/topotests/ldp_oc_acl_topo1/r4/show_ldp_all_binding.ref
index 2a46c40346..2a46c40346 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r4/show_ldp_all_binding.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r4/show_ldp_all_binding.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r4/show_ldp_binding.ref b/tests/topotests/ldp_oc_acl_topo1/r4/show_ldp_binding.ref
index 2a46c40346..2a46c40346 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r4/show_ldp_binding.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r4/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r4/show_ldp_discovery.ref b/tests/topotests/ldp_oc_acl_topo1/r4/show_ldp_discovery.ref
index 2c63c08510..2c63c08510 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r4/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r4/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r4/show_ldp_neighbor.ref b/tests/topotests/ldp_oc_acl_topo1/r4/show_ldp_neighbor.ref
index 2c63c08510..2c63c08510 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r4/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_oc_acl_topo1/r4/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-oc-acl-topo1/r4/zebra.conf b/tests/topotests/ldp_oc_acl_topo1/r4/zebra.conf
index 7e291053e5..7e291053e5 100644
--- a/tests/topotests/ldp-oc-acl-topo1/r4/zebra.conf
+++ b/tests/topotests/ldp_oc_acl_topo1/r4/zebra.conf
diff --git a/tests/topotests/ldp-oc-acl-topo1/test_ldp_oc_acl_topo1.dot b/tests/topotests/ldp_oc_acl_topo1/test_ldp_oc_acl_topo1.dot
index 62058e3cb1..62058e3cb1 100644
--- a/tests/topotests/ldp-oc-acl-topo1/test_ldp_oc_acl_topo1.dot
+++ b/tests/topotests/ldp_oc_acl_topo1/test_ldp_oc_acl_topo1.dot
diff --git a/tests/topotests/ldp-oc-acl-topo1/test_ldp_oc_acl_topo1.py b/tests/topotests/ldp_oc_acl_topo1/test_ldp_oc_acl_topo1.py
index 9aa4024598..9aa4024598 100644
--- a/tests/topotests/ldp-oc-acl-topo1/test_ldp_oc_acl_topo1.py
+++ b/tests/topotests/ldp_oc_acl_topo1/test_ldp_oc_acl_topo1.py
diff --git a/tests/topotests/ldp-oc-topo1/r1/ldpd.conf b/tests/topotests/ldp_oc_topo1/r1/ldpd.conf
index 2a8e023832..2a8e023832 100644
--- a/tests/topotests/ldp-oc-topo1/r1/ldpd.conf
+++ b/tests/topotests/ldp_oc_topo1/r1/ldpd.conf
diff --git a/tests/topotests/ldp-oc-topo1/r1/ospfd.conf b/tests/topotests/ldp_oc_topo1/r1/ospfd.conf
index 877e14ff36..877e14ff36 100644
--- a/tests/topotests/ldp-oc-topo1/r1/ospfd.conf
+++ b/tests/topotests/ldp_oc_topo1/r1/ospfd.conf
diff --git a/tests/topotests/ldp-oc-topo1/r1/show_ip_ospf_neighbor.json b/tests/topotests/ldp_oc_topo1/r1/show_ip_ospf_neighbor.json
index aa3f74fc5f..aa3f74fc5f 100644
--- a/tests/topotests/ldp-oc-topo1/r1/show_ip_ospf_neighbor.json
+++ b/tests/topotests/ldp_oc_topo1/r1/show_ip_ospf_neighbor.json
diff --git a/tests/topotests/ldp-oc-topo1/r1/show_ip_route.ref b/tests/topotests/ldp_oc_topo1/r1/show_ip_route.ref
index 2131668fc3..2131668fc3 100644
--- a/tests/topotests/ldp-oc-topo1/r1/show_ip_route.ref
+++ b/tests/topotests/ldp_oc_topo1/r1/show_ip_route.ref
diff --git a/tests/topotests/ldp-oc-topo1/r1/show_ldp_binding.ref b/tests/topotests/ldp_oc_topo1/r1/show_ldp_binding.ref
index 99a59668f8..99a59668f8 100644
--- a/tests/topotests/ldp-oc-topo1/r1/show_ldp_binding.ref
+++ b/tests/topotests/ldp_oc_topo1/r1/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-oc-topo1/r1/show_ldp_discovery.ref b/tests/topotests/ldp_oc_topo1/r1/show_ldp_discovery.ref
index b349f4418f..b349f4418f 100644
--- a/tests/topotests/ldp-oc-topo1/r1/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_oc_topo1/r1/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-oc-topo1/r1/show_ldp_neighbor.ref b/tests/topotests/ldp_oc_topo1/r1/show_ldp_neighbor.ref
index 4bff444a46..4bff444a46 100644
--- a/tests/topotests/ldp-oc-topo1/r1/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_oc_topo1/r1/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-oc-topo1/r1/zebra.conf b/tests/topotests/ldp_oc_topo1/r1/zebra.conf
index 83aea46e64..83aea46e64 100644
--- a/tests/topotests/ldp-oc-topo1/r1/zebra.conf
+++ b/tests/topotests/ldp_oc_topo1/r1/zebra.conf
diff --git a/tests/topotests/ldp-oc-topo1/r2/ldpd.conf b/tests/topotests/ldp_oc_topo1/r2/ldpd.conf
index e1a552c701..e1a552c701 100644
--- a/tests/topotests/ldp-oc-topo1/r2/ldpd.conf
+++ b/tests/topotests/ldp_oc_topo1/r2/ldpd.conf
diff --git a/tests/topotests/ldp-oc-topo1/r2/ospfd.conf b/tests/topotests/ldp_oc_topo1/r2/ospfd.conf
index 8cba1529e8..8cba1529e8 100644
--- a/tests/topotests/ldp-oc-topo1/r2/ospfd.conf
+++ b/tests/topotests/ldp_oc_topo1/r2/ospfd.conf
diff --git a/tests/topotests/ldp-oc-topo1/r2/show_ip_ospf_neighbor.json b/tests/topotests/ldp_oc_topo1/r2/show_ip_ospf_neighbor.json
index aa68198957..aa68198957 100644
--- a/tests/topotests/ldp-oc-topo1/r2/show_ip_ospf_neighbor.json
+++ b/tests/topotests/ldp_oc_topo1/r2/show_ip_ospf_neighbor.json
diff --git a/tests/topotests/ldp-oc-topo1/r2/show_ip_route.ref b/tests/topotests/ldp_oc_topo1/r2/show_ip_route.ref
index 4b1d31a5d3..4b1d31a5d3 100644
--- a/tests/topotests/ldp-oc-topo1/r2/show_ip_route.ref
+++ b/tests/topotests/ldp_oc_topo1/r2/show_ip_route.ref
diff --git a/tests/topotests/ldp-oc-topo1/r2/show_ldp_binding.ref b/tests/topotests/ldp_oc_topo1/r2/show_ldp_binding.ref
index 95fb847c1e..95fb847c1e 100644
--- a/tests/topotests/ldp-oc-topo1/r2/show_ldp_binding.ref
+++ b/tests/topotests/ldp_oc_topo1/r2/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-oc-topo1/r2/show_ldp_discovery.ref b/tests/topotests/ldp_oc_topo1/r2/show_ldp_discovery.ref
index 8129570082..8129570082 100644
--- a/tests/topotests/ldp-oc-topo1/r2/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_oc_topo1/r2/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-oc-topo1/r2/show_ldp_neighbor.ref b/tests/topotests/ldp_oc_topo1/r2/show_ldp_neighbor.ref
index eed35289ea..eed35289ea 100644
--- a/tests/topotests/ldp-oc-topo1/r2/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_oc_topo1/r2/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-oc-topo1/r2/zebra.conf b/tests/topotests/ldp_oc_topo1/r2/zebra.conf
index 1f1e3e391a..1f1e3e391a 100644
--- a/tests/topotests/ldp-oc-topo1/r2/zebra.conf
+++ b/tests/topotests/ldp_oc_topo1/r2/zebra.conf
diff --git a/tests/topotests/ldp-oc-topo1/r3/ldpd.conf b/tests/topotests/ldp_oc_topo1/r3/ldpd.conf
index 4e66b140ac..4e66b140ac 100644
--- a/tests/topotests/ldp-oc-topo1/r3/ldpd.conf
+++ b/tests/topotests/ldp_oc_topo1/r3/ldpd.conf
diff --git a/tests/topotests/ldp-oc-topo1/r3/ospfd.conf b/tests/topotests/ldp_oc_topo1/r3/ospfd.conf
index 0d3a74c4ac..0d3a74c4ac 100644
--- a/tests/topotests/ldp-oc-topo1/r3/ospfd.conf
+++ b/tests/topotests/ldp_oc_topo1/r3/ospfd.conf
diff --git a/tests/topotests/ldp-oc-topo1/r3/show_ip_ospf_neighbor.json b/tests/topotests/ldp_oc_topo1/r3/show_ip_ospf_neighbor.json
index 905774fc46..905774fc46 100644
--- a/tests/topotests/ldp-oc-topo1/r3/show_ip_ospf_neighbor.json
+++ b/tests/topotests/ldp_oc_topo1/r3/show_ip_ospf_neighbor.json
diff --git a/tests/topotests/ldp-oc-topo1/r3/show_ip_route.ref b/tests/topotests/ldp_oc_topo1/r3/show_ip_route.ref
index 4d115caf3e..4d115caf3e 100644
--- a/tests/topotests/ldp-oc-topo1/r3/show_ip_route.ref
+++ b/tests/topotests/ldp_oc_topo1/r3/show_ip_route.ref
diff --git a/tests/topotests/ldp-oc-topo1/r3/show_ldp_binding.ref b/tests/topotests/ldp_oc_topo1/r3/show_ldp_binding.ref
index 100dd307ea..100dd307ea 100644
--- a/tests/topotests/ldp-oc-topo1/r3/show_ldp_binding.ref
+++ b/tests/topotests/ldp_oc_topo1/r3/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-oc-topo1/r3/show_ldp_discovery.ref b/tests/topotests/ldp_oc_topo1/r3/show_ldp_discovery.ref
index c3a07e7e38..c3a07e7e38 100644
--- a/tests/topotests/ldp-oc-topo1/r3/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_oc_topo1/r3/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-oc-topo1/r3/show_ldp_neighbor.ref b/tests/topotests/ldp_oc_topo1/r3/show_ldp_neighbor.ref
index 4bff444a46..4bff444a46 100644
--- a/tests/topotests/ldp-oc-topo1/r3/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_oc_topo1/r3/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-oc-topo1/r3/zebra.conf b/tests/topotests/ldp_oc_topo1/r3/zebra.conf
index 234c215ddf..234c215ddf 100644
--- a/tests/topotests/ldp-oc-topo1/r3/zebra.conf
+++ b/tests/topotests/ldp_oc_topo1/r3/zebra.conf
diff --git a/tests/topotests/ldp-oc-topo1/r4/ldpd.conf b/tests/topotests/ldp_oc_topo1/r4/ldpd.conf
index 6b7d28f983..6b7d28f983 100644
--- a/tests/topotests/ldp-oc-topo1/r4/ldpd.conf
+++ b/tests/topotests/ldp_oc_topo1/r4/ldpd.conf
diff --git a/tests/topotests/ldp-oc-topo1/r4/ospfd.conf b/tests/topotests/ldp_oc_topo1/r4/ospfd.conf
index 7bbd228d02..7bbd228d02 100644
--- a/tests/topotests/ldp-oc-topo1/r4/ospfd.conf
+++ b/tests/topotests/ldp_oc_topo1/r4/ospfd.conf
diff --git a/tests/topotests/ldp-oc-topo1/r4/show_ip_ospf_neighbor.json b/tests/topotests/ldp_oc_topo1/r4/show_ip_ospf_neighbor.json
index 67593952ca..67593952ca 100644
--- a/tests/topotests/ldp-oc-topo1/r4/show_ip_ospf_neighbor.json
+++ b/tests/topotests/ldp_oc_topo1/r4/show_ip_ospf_neighbor.json
diff --git a/tests/topotests/ldp-oc-topo1/r4/show_ip_route.ref b/tests/topotests/ldp_oc_topo1/r4/show_ip_route.ref
index 223cbded84..223cbded84 100644
--- a/tests/topotests/ldp-oc-topo1/r4/show_ip_route.ref
+++ b/tests/topotests/ldp_oc_topo1/r4/show_ip_route.ref
diff --git a/tests/topotests/ldp-oc-topo1/r4/show_ldp_binding.ref b/tests/topotests/ldp_oc_topo1/r4/show_ldp_binding.ref
index 2a46c40346..2a46c40346 100644
--- a/tests/topotests/ldp-oc-topo1/r4/show_ldp_binding.ref
+++ b/tests/topotests/ldp_oc_topo1/r4/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-oc-topo1/r4/show_ldp_discovery.ref b/tests/topotests/ldp_oc_topo1/r4/show_ldp_discovery.ref
index 2c63c08510..2c63c08510 100644
--- a/tests/topotests/ldp-oc-topo1/r4/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_oc_topo1/r4/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-oc-topo1/r4/show_ldp_neighbor.ref b/tests/topotests/ldp_oc_topo1/r4/show_ldp_neighbor.ref
index 2c63c08510..2c63c08510 100644
--- a/tests/topotests/ldp-oc-topo1/r4/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_oc_topo1/r4/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-oc-topo1/r4/zebra.conf b/tests/topotests/ldp_oc_topo1/r4/zebra.conf
index 7e291053e5..7e291053e5 100644
--- a/tests/topotests/ldp-oc-topo1/r4/zebra.conf
+++ b/tests/topotests/ldp_oc_topo1/r4/zebra.conf
diff --git a/tests/topotests/ldp-oc-topo1/test_ldp_oc_topo1.dot b/tests/topotests/ldp_oc_topo1/test_ldp_oc_topo1.dot
index 62058e3cb1..62058e3cb1 100644
--- a/tests/topotests/ldp-oc-topo1/test_ldp_oc_topo1.dot
+++ b/tests/topotests/ldp_oc_topo1/test_ldp_oc_topo1.dot
diff --git a/tests/topotests/ldp-oc-topo1/test_ldp_oc_topo1.py b/tests/topotests/ldp_oc_topo1/test_ldp_oc_topo1.py
index aef22c395d..aef22c395d 100644
--- a/tests/topotests/ldp-oc-topo1/test_ldp_oc_topo1.py
+++ b/tests/topotests/ldp_oc_topo1/test_ldp_oc_topo1.py
diff --git a/tests/topotests/ldp-snmp/ce1/zebra.conf b/tests/topotests/ldp_snmp/ce1/zebra.conf
index 6f165e2724..6f165e2724 100644
--- a/tests/topotests/ldp-snmp/ce1/zebra.conf
+++ b/tests/topotests/ldp_snmp/ce1/zebra.conf
diff --git a/tests/topotests/ldp-snmp/ce2/zebra.conf b/tests/topotests/ldp_snmp/ce2/zebra.conf
index ac02d0f9a4..ac02d0f9a4 100644
--- a/tests/topotests/ldp-snmp/ce2/zebra.conf
+++ b/tests/topotests/ldp_snmp/ce2/zebra.conf
diff --git a/tests/topotests/ldp-snmp/ce3/zebra.conf b/tests/topotests/ldp_snmp/ce3/zebra.conf
index c6a5824d15..c6a5824d15 100644
--- a/tests/topotests/ldp-snmp/ce3/zebra.conf
+++ b/tests/topotests/ldp_snmp/ce3/zebra.conf
diff --git a/tests/topotests/ldp-snmp/r1/isisd.conf b/tests/topotests/ldp_snmp/r1/isisd.conf
index da2970d94e..da2970d94e 100644
--- a/tests/topotests/ldp-snmp/r1/isisd.conf
+++ b/tests/topotests/ldp_snmp/r1/isisd.conf
diff --git a/tests/topotests/ldp-snmp/r1/ldpd.conf b/tests/topotests/ldp_snmp/r1/ldpd.conf
index 01fc039b09..01fc039b09 100644
--- a/tests/topotests/ldp-snmp/r1/ldpd.conf
+++ b/tests/topotests/ldp_snmp/r1/ldpd.conf
diff --git a/tests/topotests/ldp-snmp/r1/show_ip_route.ref b/tests/topotests/ldp_snmp/r1/show_ip_route.ref
index b1a55ba103..b1a55ba103 100644
--- a/tests/topotests/ldp-snmp/r1/show_ip_route.ref
+++ b/tests/topotests/ldp_snmp/r1/show_ip_route.ref
diff --git a/tests/topotests/ldp-snmp/r1/show_isis_interface_detail.ref b/tests/topotests/ldp_snmp/r1/show_isis_interface_detail.ref
index d8fb27af8c..d8fb27af8c 100644
--- a/tests/topotests/ldp-snmp/r1/show_isis_interface_detail.ref
+++ b/tests/topotests/ldp_snmp/r1/show_isis_interface_detail.ref
diff --git a/tests/topotests/ldp-snmp/r1/show_isis_interface_detail_r1_eth1_shutdown.ref b/tests/topotests/ldp_snmp/r1/show_isis_interface_detail_r1_eth1_shutdown.ref
index f77d65ebc1..f77d65ebc1 100644
--- a/tests/topotests/ldp-snmp/r1/show_isis_interface_detail_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_snmp/r1/show_isis_interface_detail_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-snmp/r1/show_isis_interface_detail_r2_eth1_shutdown.ref b/tests/topotests/ldp_snmp/r1/show_isis_interface_detail_r2_eth1_shutdown.ref
index f77d65ebc1..f77d65ebc1 100644
--- a/tests/topotests/ldp-snmp/r1/show_isis_interface_detail_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_snmp/r1/show_isis_interface_detail_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-snmp/r1/show_isis_ldp_sync.ref b/tests/topotests/ldp_snmp/r1/show_isis_ldp_sync.ref
index b699e8c145..b699e8c145 100644
--- a/tests/topotests/ldp-snmp/r1/show_isis_ldp_sync.ref
+++ b/tests/topotests/ldp_snmp/r1/show_isis_ldp_sync.ref
diff --git a/tests/topotests/ldp-snmp/r1/show_isis_ldp_sync_r1_eth1_shutdown.ref b/tests/topotests/ldp_snmp/r1/show_isis_ldp_sync_r1_eth1_shutdown.ref
index c28cd4cc7d..c28cd4cc7d 100644
--- a/tests/topotests/ldp-snmp/r1/show_isis_ldp_sync_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_snmp/r1/show_isis_ldp_sync_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-snmp/r1/show_isis_ldp_sync_r2_eth1_shutdown.ref b/tests/topotests/ldp_snmp/r1/show_isis_ldp_sync_r2_eth1_shutdown.ref
index c63bbea77f..c63bbea77f 100644
--- a/tests/topotests/ldp-snmp/r1/show_isis_ldp_sync_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_snmp/r1/show_isis_ldp_sync_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-snmp/r1/show_l2vpn_binding.ref b/tests/topotests/ldp_snmp/r1/show_l2vpn_binding.ref
index b3de7e2c66..b3de7e2c66 100644
--- a/tests/topotests/ldp-snmp/r1/show_l2vpn_binding.ref
+++ b/tests/topotests/ldp_snmp/r1/show_l2vpn_binding.ref
diff --git a/tests/topotests/ldp-snmp/r1/show_l2vpn_vc.ref b/tests/topotests/ldp_snmp/r1/show_l2vpn_vc.ref
index 29e9df1089..29e9df1089 100644
--- a/tests/topotests/ldp-snmp/r1/show_l2vpn_vc.ref
+++ b/tests/topotests/ldp_snmp/r1/show_l2vpn_vc.ref
diff --git a/tests/topotests/ldp-snmp/r1/show_ldp_binding.ref b/tests/topotests/ldp_snmp/r1/show_ldp_binding.ref
index b3a12ec53f..b3a12ec53f 100644
--- a/tests/topotests/ldp-snmp/r1/show_ldp_binding.ref
+++ b/tests/topotests/ldp_snmp/r1/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-snmp/r1/show_ldp_discovery.ref b/tests/topotests/ldp_snmp/r1/show_ldp_discovery.ref
index 9301e60c67..9301e60c67 100644
--- a/tests/topotests/ldp-snmp/r1/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_snmp/r1/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-snmp/r1/show_ldp_igp_sync.ref b/tests/topotests/ldp_snmp/r1/show_ldp_igp_sync.ref
index 54d015fef9..54d015fef9 100644
--- a/tests/topotests/ldp-snmp/r1/show_ldp_igp_sync.ref
+++ b/tests/topotests/ldp_snmp/r1/show_ldp_igp_sync.ref
diff --git a/tests/topotests/ldp-snmp/r1/show_ldp_igp_sync_r1_eth1_shutdown.ref b/tests/topotests/ldp_snmp/r1/show_ldp_igp_sync_r1_eth1_shutdown.ref
index 2232069f68..2232069f68 100644
--- a/tests/topotests/ldp-snmp/r1/show_ldp_igp_sync_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_snmp/r1/show_ldp_igp_sync_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-snmp/r1/show_ldp_neighbor.ref b/tests/topotests/ldp_snmp/r1/show_ldp_neighbor.ref
index 40d8ebeb90..40d8ebeb90 100644
--- a/tests/topotests/ldp-snmp/r1/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_snmp/r1/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-snmp/r1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/ldp_snmp/r1/show_yang_interface_isis_adjacencies.ref
index 6138d03672..6138d03672 100644
--- a/tests/topotests/ldp-snmp/r1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/ldp_snmp/r1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/ldp-snmp/r1/snmpd.conf b/tests/topotests/ldp_snmp/r1/snmpd.conf
index b37911da36..b37911da36 100644
--- a/tests/topotests/ldp-snmp/r1/snmpd.conf
+++ b/tests/topotests/ldp_snmp/r1/snmpd.conf
diff --git a/tests/topotests/ldp-snmp/r1/zebra.conf b/tests/topotests/ldp_snmp/r1/zebra.conf
index ea047355ad..ea047355ad 100644
--- a/tests/topotests/ldp-snmp/r1/zebra.conf
+++ b/tests/topotests/ldp_snmp/r1/zebra.conf
diff --git a/tests/topotests/ldp-snmp/r2/isisd.conf b/tests/topotests/ldp_snmp/r2/isisd.conf
index b29a2b93ee..b29a2b93ee 100644
--- a/tests/topotests/ldp-snmp/r2/isisd.conf
+++ b/tests/topotests/ldp_snmp/r2/isisd.conf
diff --git a/tests/topotests/ldp-snmp/r2/ldpd.conf b/tests/topotests/ldp_snmp/r2/ldpd.conf
index c93e1a6ac5..c93e1a6ac5 100644
--- a/tests/topotests/ldp-snmp/r2/ldpd.conf
+++ b/tests/topotests/ldp_snmp/r2/ldpd.conf
diff --git a/tests/topotests/ldp-snmp/r2/ospfd.conf b/tests/topotests/ldp_snmp/r2/ospfd.conf
index f93f6aed56..f93f6aed56 100644
--- a/tests/topotests/ldp-snmp/r2/ospfd.conf
+++ b/tests/topotests/ldp_snmp/r2/ospfd.conf
diff --git a/tests/topotests/ldp-snmp/r2/show_ip_route.ref b/tests/topotests/ldp_snmp/r2/show_ip_route.ref
index 04f141aba4..04f141aba4 100644
--- a/tests/topotests/ldp-snmp/r2/show_ip_route.ref
+++ b/tests/topotests/ldp_snmp/r2/show_ip_route.ref
diff --git a/tests/topotests/ldp-snmp/r2/show_isis_interface_detail.ref b/tests/topotests/ldp_snmp/r2/show_isis_interface_detail.ref
index 844aa9402a..844aa9402a 100644
--- a/tests/topotests/ldp-snmp/r2/show_isis_interface_detail.ref
+++ b/tests/topotests/ldp_snmp/r2/show_isis_interface_detail.ref
diff --git a/tests/topotests/ldp-snmp/r2/show_isis_interface_detail_r1_eth1_shutdown.ref b/tests/topotests/ldp_snmp/r2/show_isis_interface_detail_r1_eth1_shutdown.ref
index 821ec70ba5..821ec70ba5 100644
--- a/tests/topotests/ldp-snmp/r2/show_isis_interface_detail_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_snmp/r2/show_isis_interface_detail_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-snmp/r2/show_isis_interface_detail_r2_eth1_shutdown.ref b/tests/topotests/ldp_snmp/r2/show_isis_interface_detail_r2_eth1_shutdown.ref
index 821ec70ba5..821ec70ba5 100644
--- a/tests/topotests/ldp-snmp/r2/show_isis_interface_detail_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_snmp/r2/show_isis_interface_detail_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-snmp/r2/show_isis_ldp_sync.ref b/tests/topotests/ldp_snmp/r2/show_isis_ldp_sync.ref
index 433d89bd16..433d89bd16 100644
--- a/tests/topotests/ldp-snmp/r2/show_isis_ldp_sync.ref
+++ b/tests/topotests/ldp_snmp/r2/show_isis_ldp_sync.ref
diff --git a/tests/topotests/ldp-snmp/r2/show_isis_ldp_sync_r1_eth1_shutdown.ref b/tests/topotests/ldp_snmp/r2/show_isis_ldp_sync_r1_eth1_shutdown.ref
index 2f3eae47c8..2f3eae47c8 100644
--- a/tests/topotests/ldp-snmp/r2/show_isis_ldp_sync_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_snmp/r2/show_isis_ldp_sync_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-snmp/r2/show_isis_ldp_sync_r2_eth1_shutdown.ref b/tests/topotests/ldp_snmp/r2/show_isis_ldp_sync_r2_eth1_shutdown.ref
index c3d97a3c73..c3d97a3c73 100644
--- a/tests/topotests/ldp-snmp/r2/show_isis_ldp_sync_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_snmp/r2/show_isis_ldp_sync_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-snmp/r2/show_l2vpn_binding.ref b/tests/topotests/ldp_snmp/r2/show_l2vpn_binding.ref
index 42c5a1cbd9..42c5a1cbd9 100644
--- a/tests/topotests/ldp-snmp/r2/show_l2vpn_binding.ref
+++ b/tests/topotests/ldp_snmp/r2/show_l2vpn_binding.ref
diff --git a/tests/topotests/ldp-snmp/r2/show_l2vpn_vc.ref b/tests/topotests/ldp_snmp/r2/show_l2vpn_vc.ref
index 942ed23a1e..942ed23a1e 100644
--- a/tests/topotests/ldp-snmp/r2/show_l2vpn_vc.ref
+++ b/tests/topotests/ldp_snmp/r2/show_l2vpn_vc.ref
diff --git a/tests/topotests/ldp-snmp/r2/show_ldp_binding.ref b/tests/topotests/ldp_snmp/r2/show_ldp_binding.ref
index c641fb47e6..c641fb47e6 100644
--- a/tests/topotests/ldp-snmp/r2/show_ldp_binding.ref
+++ b/tests/topotests/ldp_snmp/r2/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-snmp/r2/show_ldp_discovery.ref b/tests/topotests/ldp_snmp/r2/show_ldp_discovery.ref
index 26801acade..26801acade 100644
--- a/tests/topotests/ldp-snmp/r2/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_snmp/r2/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-snmp/r2/show_ldp_igp_sync.ref b/tests/topotests/ldp_snmp/r2/show_ldp_igp_sync.ref
index f2b24d7d62..f2b24d7d62 100644
--- a/tests/topotests/ldp-snmp/r2/show_ldp_igp_sync.ref
+++ b/tests/topotests/ldp_snmp/r2/show_ldp_igp_sync.ref
diff --git a/tests/topotests/ldp-snmp/r2/show_ldp_igp_sync_r1_eth1_shutdown.ref b/tests/topotests/ldp_snmp/r2/show_ldp_igp_sync_r1_eth1_shutdown.ref
index b5508dd35c..b5508dd35c 100644
--- a/tests/topotests/ldp-snmp/r2/show_ldp_igp_sync_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_snmp/r2/show_ldp_igp_sync_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-snmp/r2/show_ldp_igp_sync_r2_eth1_shutdown.ref b/tests/topotests/ldp_snmp/r2/show_ldp_igp_sync_r2_eth1_shutdown.ref
index f2b24d7d62..f2b24d7d62 100644
--- a/tests/topotests/ldp-snmp/r2/show_ldp_igp_sync_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_snmp/r2/show_ldp_igp_sync_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-snmp/r2/show_ldp_neighbor.ref b/tests/topotests/ldp_snmp/r2/show_ldp_neighbor.ref
index eed35289ea..eed35289ea 100644
--- a/tests/topotests/ldp-snmp/r2/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_snmp/r2/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-snmp/r2/show_yang_interface_isis_adjacencies.ref b/tests/topotests/ldp_snmp/r2/show_yang_interface_isis_adjacencies.ref
index 4dd6ddd76b..4dd6ddd76b 100644
--- a/tests/topotests/ldp-snmp/r2/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/ldp_snmp/r2/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/ldp-snmp/r2/snmpd.conf b/tests/topotests/ldp_snmp/r2/snmpd.conf
index 0f779b8b91..0f779b8b91 100644
--- a/tests/topotests/ldp-snmp/r2/snmpd.conf
+++ b/tests/topotests/ldp_snmp/r2/snmpd.conf
diff --git a/tests/topotests/ldp-snmp/r2/zebra.conf b/tests/topotests/ldp_snmp/r2/zebra.conf
index c244442876..c244442876 100644
--- a/tests/topotests/ldp-snmp/r2/zebra.conf
+++ b/tests/topotests/ldp_snmp/r2/zebra.conf
diff --git a/tests/topotests/ldp-snmp/r3/isisd.conf b/tests/topotests/ldp_snmp/r3/isisd.conf
index 4c8499f23d..4c8499f23d 100644
--- a/tests/topotests/ldp-snmp/r3/isisd.conf
+++ b/tests/topotests/ldp_snmp/r3/isisd.conf
diff --git a/tests/topotests/ldp-snmp/r3/ldpd.conf b/tests/topotests/ldp_snmp/r3/ldpd.conf
index b7eeb258f1..b7eeb258f1 100644
--- a/tests/topotests/ldp-snmp/r3/ldpd.conf
+++ b/tests/topotests/ldp_snmp/r3/ldpd.conf
diff --git a/tests/topotests/ldp-snmp/r3/show_ip_route.ref b/tests/topotests/ldp_snmp/r3/show_ip_route.ref
index 22504046ed..22504046ed 100644
--- a/tests/topotests/ldp-snmp/r3/show_ip_route.ref
+++ b/tests/topotests/ldp_snmp/r3/show_ip_route.ref
diff --git a/tests/topotests/ldp-snmp/r3/show_isis_interface_detail.ref b/tests/topotests/ldp_snmp/r3/show_isis_interface_detail.ref
index e323f61f25..e323f61f25 100644
--- a/tests/topotests/ldp-snmp/r3/show_isis_interface_detail.ref
+++ b/tests/topotests/ldp_snmp/r3/show_isis_interface_detail.ref
diff --git a/tests/topotests/ldp-snmp/r3/show_isis_interface_detail_r1_eth1_shutdown.ref b/tests/topotests/ldp_snmp/r3/show_isis_interface_detail_r1_eth1_shutdown.ref
index e323f61f25..e323f61f25 100644
--- a/tests/topotests/ldp-snmp/r3/show_isis_interface_detail_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_snmp/r3/show_isis_interface_detail_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-snmp/r3/show_isis_interface_detail_r2_eth1_shutdown.ref b/tests/topotests/ldp_snmp/r3/show_isis_interface_detail_r2_eth1_shutdown.ref
index e323f61f25..e323f61f25 100644
--- a/tests/topotests/ldp-snmp/r3/show_isis_interface_detail_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_snmp/r3/show_isis_interface_detail_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-snmp/r3/show_isis_ldp_sync.ref b/tests/topotests/ldp_snmp/r3/show_isis_ldp_sync.ref
index 9cb70a4758..9cb70a4758 100644
--- a/tests/topotests/ldp-snmp/r3/show_isis_ldp_sync.ref
+++ b/tests/topotests/ldp_snmp/r3/show_isis_ldp_sync.ref
diff --git a/tests/topotests/ldp-snmp/r3/show_isis_ldp_sync_r1_eth1_shutdown.ref b/tests/topotests/ldp_snmp/r3/show_isis_ldp_sync_r1_eth1_shutdown.ref
index 9cb70a4758..9cb70a4758 100644
--- a/tests/topotests/ldp-snmp/r3/show_isis_ldp_sync_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_snmp/r3/show_isis_ldp_sync_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-snmp/r3/show_isis_ldp_sync_r2_eth1_shutdown.ref b/tests/topotests/ldp_snmp/r3/show_isis_ldp_sync_r2_eth1_shutdown.ref
index 9cb70a4758..9cb70a4758 100644
--- a/tests/topotests/ldp-snmp/r3/show_isis_ldp_sync_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_snmp/r3/show_isis_ldp_sync_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-snmp/r3/show_l2vpn_binding.ref b/tests/topotests/ldp_snmp/r3/show_l2vpn_binding.ref
index 2c63c08510..2c63c08510 100644
--- a/tests/topotests/ldp-snmp/r3/show_l2vpn_binding.ref
+++ b/tests/topotests/ldp_snmp/r3/show_l2vpn_binding.ref
diff --git a/tests/topotests/ldp-snmp/r3/show_l2vpn_vc.ref b/tests/topotests/ldp_snmp/r3/show_l2vpn_vc.ref
index 2c63c08510..2c63c08510 100644
--- a/tests/topotests/ldp-snmp/r3/show_l2vpn_vc.ref
+++ b/tests/topotests/ldp_snmp/r3/show_l2vpn_vc.ref
diff --git a/tests/topotests/ldp-snmp/r3/show_ldp_binding.ref b/tests/topotests/ldp_snmp/r3/show_ldp_binding.ref
index e54bd6e755..e54bd6e755 100644
--- a/tests/topotests/ldp-snmp/r3/show_ldp_binding.ref
+++ b/tests/topotests/ldp_snmp/r3/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-snmp/r3/show_ldp_discovery.ref b/tests/topotests/ldp_snmp/r3/show_ldp_discovery.ref
index 42fa98d4da..42fa98d4da 100644
--- a/tests/topotests/ldp-snmp/r3/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_snmp/r3/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-snmp/r3/show_ldp_igp_sync.ref b/tests/topotests/ldp_snmp/r3/show_ldp_igp_sync.ref
index 73261830c9..73261830c9 100644
--- a/tests/topotests/ldp-snmp/r3/show_ldp_igp_sync.ref
+++ b/tests/topotests/ldp_snmp/r3/show_ldp_igp_sync.ref
diff --git a/tests/topotests/ldp-snmp/r3/show_ldp_igp_sync_r1_eth1_shutdown.ref b/tests/topotests/ldp_snmp/r3/show_ldp_igp_sync_r1_eth1_shutdown.ref
index 73261830c9..73261830c9 100644
--- a/tests/topotests/ldp-snmp/r3/show_ldp_igp_sync_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_snmp/r3/show_ldp_igp_sync_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-snmp/r3/show_ldp_neighbor.ref b/tests/topotests/ldp_snmp/r3/show_ldp_neighbor.ref
index 5c482da697..5c482da697 100644
--- a/tests/topotests/ldp-snmp/r3/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_snmp/r3/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-snmp/r3/show_yang_interface_isis_adjacencies.ref b/tests/topotests/ldp_snmp/r3/show_yang_interface_isis_adjacencies.ref
index 0922192361..0922192361 100644
--- a/tests/topotests/ldp-snmp/r3/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/ldp_snmp/r3/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/ldp-snmp/r3/zebra.conf b/tests/topotests/ldp_snmp/r3/zebra.conf
index b1919bd296..b1919bd296 100644
--- a/tests/topotests/ldp-snmp/r3/zebra.conf
+++ b/tests/topotests/ldp_snmp/r3/zebra.conf
diff --git a/tests/topotests/ldp-snmp/test_ldp_snmp_topo1.py b/tests/topotests/ldp_snmp/test_ldp_snmp_topo1.py
index f47d906157..f47d906157 100644
--- a/tests/topotests/ldp-snmp/test_ldp_snmp_topo1.py
+++ b/tests/topotests/ldp_snmp/test_ldp_snmp_topo1.py
diff --git a/tests/topotests/ldp-sync-isis-topo1/ce1/zebra.conf b/tests/topotests/ldp_sync_isis_topo1/ce1/zebra.conf
index 6f165e2724..6f165e2724 100644
--- a/tests/topotests/ldp-sync-isis-topo1/ce1/zebra.conf
+++ b/tests/topotests/ldp_sync_isis_topo1/ce1/zebra.conf
diff --git a/tests/topotests/ldp-sync-isis-topo1/ce2/zebra.conf b/tests/topotests/ldp_sync_isis_topo1/ce2/zebra.conf
index ac02d0f9a4..ac02d0f9a4 100644
--- a/tests/topotests/ldp-sync-isis-topo1/ce2/zebra.conf
+++ b/tests/topotests/ldp_sync_isis_topo1/ce2/zebra.conf
diff --git a/tests/topotests/ldp-sync-isis-topo1/ce3/zebra.conf b/tests/topotests/ldp_sync_isis_topo1/ce3/zebra.conf
index c6a5824d15..c6a5824d15 100644
--- a/tests/topotests/ldp-sync-isis-topo1/ce3/zebra.conf
+++ b/tests/topotests/ldp_sync_isis_topo1/ce3/zebra.conf
diff --git a/tests/topotests/ldp-sync-isis-topo1/r1/isisd.conf b/tests/topotests/ldp_sync_isis_topo1/r1/isisd.conf
index da2970d94e..da2970d94e 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r1/isisd.conf
+++ b/tests/topotests/ldp_sync_isis_topo1/r1/isisd.conf
diff --git a/tests/topotests/ldp-sync-isis-topo1/r1/ldpd.conf b/tests/topotests/ldp_sync_isis_topo1/r1/ldpd.conf
index b9c32d3000..b9c32d3000 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r1/ldpd.conf
+++ b/tests/topotests/ldp_sync_isis_topo1/r1/ldpd.conf
diff --git a/tests/topotests/ldp-sync-isis-topo1/r1/show_ip_route.ref b/tests/topotests/ldp_sync_isis_topo1/r1/show_ip_route.ref
index b1a55ba103..b1a55ba103 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r1/show_ip_route.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r1/show_ip_route.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r1/show_isis_interface_detail.ref b/tests/topotests/ldp_sync_isis_topo1/r1/show_isis_interface_detail.ref
index d8fb27af8c..d8fb27af8c 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r1/show_isis_interface_detail.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r1/show_isis_interface_detail.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r1/show_isis_interface_detail_r1_eth1_shutdown.ref b/tests/topotests/ldp_sync_isis_topo1/r1/show_isis_interface_detail_r1_eth1_shutdown.ref
index f77d65ebc1..f77d65ebc1 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r1/show_isis_interface_detail_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r1/show_isis_interface_detail_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r1/show_isis_interface_detail_r2_eth1_shutdown.ref b/tests/topotests/ldp_sync_isis_topo1/r1/show_isis_interface_detail_r2_eth1_shutdown.ref
index f77d65ebc1..f77d65ebc1 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r1/show_isis_interface_detail_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r1/show_isis_interface_detail_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r1/show_isis_ldp_sync.ref b/tests/topotests/ldp_sync_isis_topo1/r1/show_isis_ldp_sync.ref
index b699e8c145..b699e8c145 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r1/show_isis_ldp_sync.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r1/show_isis_ldp_sync.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r1/show_isis_ldp_sync_r1_eth1_shutdown.ref b/tests/topotests/ldp_sync_isis_topo1/r1/show_isis_ldp_sync_r1_eth1_shutdown.ref
index c28cd4cc7d..c28cd4cc7d 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r1/show_isis_ldp_sync_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r1/show_isis_ldp_sync_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r1/show_isis_ldp_sync_r2_eth1_shutdown.ref b/tests/topotests/ldp_sync_isis_topo1/r1/show_isis_ldp_sync_r2_eth1_shutdown.ref
index c63bbea77f..c63bbea77f 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r1/show_isis_ldp_sync_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r1/show_isis_ldp_sync_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r1/show_l2vpn_binding.ref b/tests/topotests/ldp_sync_isis_topo1/r1/show_l2vpn_binding.ref
index b3de7e2c66..b3de7e2c66 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r1/show_l2vpn_binding.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r1/show_l2vpn_binding.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r1/show_l2vpn_vc.ref b/tests/topotests/ldp_sync_isis_topo1/r1/show_l2vpn_vc.ref
index 29e9df1089..29e9df1089 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r1/show_l2vpn_vc.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r1/show_l2vpn_vc.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r1/show_ldp_binding.ref b/tests/topotests/ldp_sync_isis_topo1/r1/show_ldp_binding.ref
index b3a12ec53f..b3a12ec53f 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r1/show_ldp_binding.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r1/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r1/show_ldp_discovery.ref b/tests/topotests/ldp_sync_isis_topo1/r1/show_ldp_discovery.ref
index 9301e60c67..9301e60c67 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r1/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r1/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r1/show_ldp_igp_sync.ref b/tests/topotests/ldp_sync_isis_topo1/r1/show_ldp_igp_sync.ref
index 54d015fef9..54d015fef9 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r1/show_ldp_igp_sync.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r1/show_ldp_igp_sync.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r1/show_ldp_igp_sync_r1_eth1_shutdown.ref b/tests/topotests/ldp_sync_isis_topo1/r1/show_ldp_igp_sync_r1_eth1_shutdown.ref
index 2232069f68..2232069f68 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r1/show_ldp_igp_sync_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r1/show_ldp_igp_sync_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r1/show_ldp_neighbor.ref b/tests/topotests/ldp_sync_isis_topo1/r1/show_ldp_neighbor.ref
index 40d8ebeb90..40d8ebeb90 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r1/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r1/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r1/show_yang_interface_isis_adjacencies.ref b/tests/topotests/ldp_sync_isis_topo1/r1/show_yang_interface_isis_adjacencies.ref
index 6138d03672..6138d03672 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r1/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r1/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r1/zebra.conf b/tests/topotests/ldp_sync_isis_topo1/r1/zebra.conf
index ea047355ad..ea047355ad 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r1/zebra.conf
+++ b/tests/topotests/ldp_sync_isis_topo1/r1/zebra.conf
diff --git a/tests/topotests/ldp-sync-isis-topo1/r2/isisd.conf b/tests/topotests/ldp_sync_isis_topo1/r2/isisd.conf
index b29a2b93ee..b29a2b93ee 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r2/isisd.conf
+++ b/tests/topotests/ldp_sync_isis_topo1/r2/isisd.conf
diff --git a/tests/topotests/ldp-sync-isis-topo1/r2/ldpd.conf b/tests/topotests/ldp_sync_isis_topo1/r2/ldpd.conf
index 52398b1b72..52398b1b72 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r2/ldpd.conf
+++ b/tests/topotests/ldp_sync_isis_topo1/r2/ldpd.conf
diff --git a/tests/topotests/ldp-sync-isis-topo1/r2/show_ip_route.ref b/tests/topotests/ldp_sync_isis_topo1/r2/show_ip_route.ref
index 04f141aba4..04f141aba4 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r2/show_ip_route.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r2/show_ip_route.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r2/show_isis_interface_detail.ref b/tests/topotests/ldp_sync_isis_topo1/r2/show_isis_interface_detail.ref
index 844aa9402a..844aa9402a 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r2/show_isis_interface_detail.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r2/show_isis_interface_detail.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r2/show_isis_interface_detail_r1_eth1_shutdown.ref b/tests/topotests/ldp_sync_isis_topo1/r2/show_isis_interface_detail_r1_eth1_shutdown.ref
index 821ec70ba5..821ec70ba5 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r2/show_isis_interface_detail_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r2/show_isis_interface_detail_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r2/show_isis_interface_detail_r2_eth1_shutdown.ref b/tests/topotests/ldp_sync_isis_topo1/r2/show_isis_interface_detail_r2_eth1_shutdown.ref
index 821ec70ba5..821ec70ba5 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r2/show_isis_interface_detail_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r2/show_isis_interface_detail_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r2/show_isis_ldp_sync.ref b/tests/topotests/ldp_sync_isis_topo1/r2/show_isis_ldp_sync.ref
index 433d89bd16..433d89bd16 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r2/show_isis_ldp_sync.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r2/show_isis_ldp_sync.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r2/show_isis_ldp_sync_r1_eth1_shutdown.ref b/tests/topotests/ldp_sync_isis_topo1/r2/show_isis_ldp_sync_r1_eth1_shutdown.ref
index 2f3eae47c8..2f3eae47c8 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r2/show_isis_ldp_sync_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r2/show_isis_ldp_sync_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r2/show_isis_ldp_sync_r2_eth1_shutdown.ref b/tests/topotests/ldp_sync_isis_topo1/r2/show_isis_ldp_sync_r2_eth1_shutdown.ref
index c3d97a3c73..c3d97a3c73 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r2/show_isis_ldp_sync_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r2/show_isis_ldp_sync_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r2/show_l2vpn_binding.ref b/tests/topotests/ldp_sync_isis_topo1/r2/show_l2vpn_binding.ref
index 42c5a1cbd9..42c5a1cbd9 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r2/show_l2vpn_binding.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r2/show_l2vpn_binding.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r2/show_l2vpn_vc.ref b/tests/topotests/ldp_sync_isis_topo1/r2/show_l2vpn_vc.ref
index 942ed23a1e..942ed23a1e 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r2/show_l2vpn_vc.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r2/show_l2vpn_vc.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r2/show_ldp_binding.ref b/tests/topotests/ldp_sync_isis_topo1/r2/show_ldp_binding.ref
index c641fb47e6..c641fb47e6 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r2/show_ldp_binding.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r2/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r2/show_ldp_discovery.ref b/tests/topotests/ldp_sync_isis_topo1/r2/show_ldp_discovery.ref
index 26801acade..26801acade 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r2/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r2/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r2/show_ldp_igp_sync.ref b/tests/topotests/ldp_sync_isis_topo1/r2/show_ldp_igp_sync.ref
index f2b24d7d62..f2b24d7d62 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r2/show_ldp_igp_sync.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r2/show_ldp_igp_sync.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r2/show_ldp_igp_sync_r1_eth1_shutdown.ref b/tests/topotests/ldp_sync_isis_topo1/r2/show_ldp_igp_sync_r1_eth1_shutdown.ref
index b5508dd35c..b5508dd35c 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r2/show_ldp_igp_sync_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r2/show_ldp_igp_sync_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r2/show_ldp_igp_sync_r2_eth1_shutdown.ref b/tests/topotests/ldp_sync_isis_topo1/r2/show_ldp_igp_sync_r2_eth1_shutdown.ref
index f2b24d7d62..f2b24d7d62 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r2/show_ldp_igp_sync_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r2/show_ldp_igp_sync_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r2/show_ldp_neighbor.ref b/tests/topotests/ldp_sync_isis_topo1/r2/show_ldp_neighbor.ref
index eed35289ea..eed35289ea 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r2/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r2/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r2/show_yang_interface_isis_adjacencies.ref b/tests/topotests/ldp_sync_isis_topo1/r2/show_yang_interface_isis_adjacencies.ref
index 4dd6ddd76b..4dd6ddd76b 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r2/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r2/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r2/zebra.conf b/tests/topotests/ldp_sync_isis_topo1/r2/zebra.conf
index c244442876..c244442876 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r2/zebra.conf
+++ b/tests/topotests/ldp_sync_isis_topo1/r2/zebra.conf
diff --git a/tests/topotests/ldp-sync-isis-topo1/r3/isisd.conf b/tests/topotests/ldp_sync_isis_topo1/r3/isisd.conf
index 4c8499f23d..4c8499f23d 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r3/isisd.conf
+++ b/tests/topotests/ldp_sync_isis_topo1/r3/isisd.conf
diff --git a/tests/topotests/ldp-sync-isis-topo1/r3/ldpd.conf b/tests/topotests/ldp_sync_isis_topo1/r3/ldpd.conf
index 2935caf13b..2935caf13b 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r3/ldpd.conf
+++ b/tests/topotests/ldp_sync_isis_topo1/r3/ldpd.conf
diff --git a/tests/topotests/ldp-sync-isis-topo1/r3/show_ip_route.ref b/tests/topotests/ldp_sync_isis_topo1/r3/show_ip_route.ref
index 22504046ed..22504046ed 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r3/show_ip_route.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r3/show_ip_route.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r3/show_isis_interface_detail.ref b/tests/topotests/ldp_sync_isis_topo1/r3/show_isis_interface_detail.ref
index e323f61f25..e323f61f25 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r3/show_isis_interface_detail.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r3/show_isis_interface_detail.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r3/show_isis_interface_detail_r1_eth1_shutdown.ref b/tests/topotests/ldp_sync_isis_topo1/r3/show_isis_interface_detail_r1_eth1_shutdown.ref
index e323f61f25..e323f61f25 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r3/show_isis_interface_detail_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r3/show_isis_interface_detail_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r3/show_isis_interface_detail_r2_eth1_shutdown.ref b/tests/topotests/ldp_sync_isis_topo1/r3/show_isis_interface_detail_r2_eth1_shutdown.ref
index e323f61f25..e323f61f25 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r3/show_isis_interface_detail_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r3/show_isis_interface_detail_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r3/show_isis_ldp_sync.ref b/tests/topotests/ldp_sync_isis_topo1/r3/show_isis_ldp_sync.ref
index 7180f84d1a..7180f84d1a 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r3/show_isis_ldp_sync.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r3/show_isis_ldp_sync.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r3/show_isis_ldp_sync_r1_eth1_shutdown.ref b/tests/topotests/ldp_sync_isis_topo1/r3/show_isis_ldp_sync_r1_eth1_shutdown.ref
index 7180f84d1a..7180f84d1a 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r3/show_isis_ldp_sync_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r3/show_isis_ldp_sync_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r3/show_isis_ldp_sync_r2_eth1_shutdown.ref b/tests/topotests/ldp_sync_isis_topo1/r3/show_isis_ldp_sync_r2_eth1_shutdown.ref
index 7180f84d1a..7180f84d1a 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r3/show_isis_ldp_sync_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r3/show_isis_ldp_sync_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r3/show_l2vpn_binding.ref b/tests/topotests/ldp_sync_isis_topo1/r3/show_l2vpn_binding.ref
index 2c63c08510..2c63c08510 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r3/show_l2vpn_binding.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r3/show_l2vpn_binding.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r3/show_l2vpn_vc.ref b/tests/topotests/ldp_sync_isis_topo1/r3/show_l2vpn_vc.ref
index 2c63c08510..2c63c08510 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r3/show_l2vpn_vc.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r3/show_l2vpn_vc.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r3/show_ldp_binding.ref b/tests/topotests/ldp_sync_isis_topo1/r3/show_ldp_binding.ref
index e54bd6e755..e54bd6e755 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r3/show_ldp_binding.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r3/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r3/show_ldp_discovery.ref b/tests/topotests/ldp_sync_isis_topo1/r3/show_ldp_discovery.ref
index 42fa98d4da..42fa98d4da 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r3/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r3/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r3/show_ldp_igp_sync.ref b/tests/topotests/ldp_sync_isis_topo1/r3/show_ldp_igp_sync.ref
index 73261830c9..73261830c9 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r3/show_ldp_igp_sync.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r3/show_ldp_igp_sync.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r3/show_ldp_igp_sync_r1_eth1_shutdown.ref b/tests/topotests/ldp_sync_isis_topo1/r3/show_ldp_igp_sync_r1_eth1_shutdown.ref
index 73261830c9..73261830c9 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r3/show_ldp_igp_sync_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r3/show_ldp_igp_sync_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r3/show_ldp_neighbor.ref b/tests/topotests/ldp_sync_isis_topo1/r3/show_ldp_neighbor.ref
index 5c482da697..5c482da697 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r3/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r3/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r3/show_yang_interface_isis_adjacencies.ref b/tests/topotests/ldp_sync_isis_topo1/r3/show_yang_interface_isis_adjacencies.ref
index 0922192361..0922192361 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r3/show_yang_interface_isis_adjacencies.ref
+++ b/tests/topotests/ldp_sync_isis_topo1/r3/show_yang_interface_isis_adjacencies.ref
diff --git a/tests/topotests/ldp-sync-isis-topo1/r3/zebra.conf b/tests/topotests/ldp_sync_isis_topo1/r3/zebra.conf
index b1919bd296..b1919bd296 100644
--- a/tests/topotests/ldp-sync-isis-topo1/r3/zebra.conf
+++ b/tests/topotests/ldp_sync_isis_topo1/r3/zebra.conf
diff --git a/tests/topotests/ldp-sync-isis-topo1/test_ldp_sync_isis_topo1.dot b/tests/topotests/ldp_sync_isis_topo1/test_ldp_sync_isis_topo1.dot
index 4f1bd22f7c..4f1bd22f7c 100644
--- a/tests/topotests/ldp-sync-isis-topo1/test_ldp_sync_isis_topo1.dot
+++ b/tests/topotests/ldp_sync_isis_topo1/test_ldp_sync_isis_topo1.dot
diff --git a/tests/topotests/ldp-sync-isis-topo1/test_ldp_sync_isis_topo1.py b/tests/topotests/ldp_sync_isis_topo1/test_ldp_sync_isis_topo1.py
index 331e6fafd4..331e6fafd4 100644
--- a/tests/topotests/ldp-sync-isis-topo1/test_ldp_sync_isis_topo1.py
+++ b/tests/topotests/ldp_sync_isis_topo1/test_ldp_sync_isis_topo1.py
diff --git a/tests/topotests/ldp-sync-ospf-topo1/ce1/zebra.conf b/tests/topotests/ldp_sync_ospf_topo1/ce1/zebra.conf
index 6f165e2724..6f165e2724 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/ce1/zebra.conf
+++ b/tests/topotests/ldp_sync_ospf_topo1/ce1/zebra.conf
diff --git a/tests/topotests/ldp-sync-ospf-topo1/ce2/zebra.conf b/tests/topotests/ldp_sync_ospf_topo1/ce2/zebra.conf
index ac02d0f9a4..ac02d0f9a4 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/ce2/zebra.conf
+++ b/tests/topotests/ldp_sync_ospf_topo1/ce2/zebra.conf
diff --git a/tests/topotests/ldp-sync-ospf-topo1/ce3/zebra.conf b/tests/topotests/ldp_sync_ospf_topo1/ce3/zebra.conf
index c6a5824d15..c6a5824d15 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/ce3/zebra.conf
+++ b/tests/topotests/ldp_sync_ospf_topo1/ce3/zebra.conf
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r1/ldpd.conf b/tests/topotests/ldp_sync_ospf_topo1/r1/ldpd.conf
index b9c32d3000..b9c32d3000 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r1/ldpd.conf
+++ b/tests/topotests/ldp_sync_ospf_topo1/r1/ldpd.conf
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r1/ospf-nbrs.txt b/tests/topotests/ldp_sync_ospf_topo1/r1/ospf-nbrs.txt
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r1/ospf-nbrs.txt
+++ b/tests/topotests/ldp_sync_ospf_topo1/r1/ospf-nbrs.txt
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r1/ospfd.conf b/tests/topotests/ldp_sync_ospf_topo1/r1/ospfd.conf
index eefcd1e71c..eefcd1e71c 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r1/ospfd.conf
+++ b/tests/topotests/ldp_sync_ospf_topo1/r1/ospfd.conf
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ip_ospf_interface.ref b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ip_ospf_interface.ref
index 8b2884786d..8b2884786d 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ip_ospf_interface.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ip_ospf_interface.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ip_ospf_interface_r1_eth1_shutdown.ref b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ip_ospf_interface_r1_eth1_shutdown.ref
index b1a263e422..b1a263e422 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ip_ospf_interface_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ip_ospf_interface_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ip_ospf_interface_r2_eth1_shutdown.ref b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ip_ospf_interface_r2_eth1_shutdown.ref
index 0c147338e3..0c147338e3 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ip_ospf_interface_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ip_ospf_interface_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ip_ospf_neighbor.json b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ip_ospf_neighbor.json
index 3bfda39071..3bfda39071 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ip_ospf_neighbor.json
+++ b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ip_ospf_neighbor.json
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ip_route.ref b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ip_route.ref
index fdb81f212d..fdb81f212d 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ip_route.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ip_route.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r1/show_l2vpn_binding.ref b/tests/topotests/ldp_sync_ospf_topo1/r1/show_l2vpn_binding.ref
index b3de7e2c66..b3de7e2c66 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r1/show_l2vpn_binding.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r1/show_l2vpn_binding.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r1/show_l2vpn_vc.ref b/tests/topotests/ldp_sync_ospf_topo1/r1/show_l2vpn_vc.ref
index 29e9df1089..29e9df1089 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r1/show_l2vpn_vc.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r1/show_l2vpn_vc.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ldp_binding.ref b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ldp_binding.ref
index b3a12ec53f..b3a12ec53f 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ldp_binding.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ldp_discovery.ref b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ldp_discovery.ref
index 9301e60c67..9301e60c67 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ldp_igp_sync.ref b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ldp_igp_sync.ref
index 54d015fef9..54d015fef9 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ldp_igp_sync.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ldp_igp_sync.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ldp_igp_sync_r1_eth1_shutdown.ref b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ldp_igp_sync_r1_eth1_shutdown.ref
index 2232069f68..2232069f68 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ldp_igp_sync_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ldp_igp_sync_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ldp_neighbor.ref b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ldp_neighbor.ref
index 40d8ebeb90..40d8ebeb90 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ospf_ldp_sync.ref b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ospf_ldp_sync.ref
index 3782071bf9..3782071bf9 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ospf_ldp_sync.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ospf_ldp_sync.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ospf_ldp_sync_r1_eth1_shutdown.ref b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ospf_ldp_sync_r1_eth1_shutdown.ref
index c2642c6483..c2642c6483 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ospf_ldp_sync_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ospf_ldp_sync_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ospf_ldp_sync_r2_eth1_shutdown.ref b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ospf_ldp_sync_r2_eth1_shutdown.ref
index 6f180b048a..6f180b048a 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r1/show_ospf_ldp_sync_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r1/show_ospf_ldp_sync_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r1/zebra.conf b/tests/topotests/ldp_sync_ospf_topo1/r1/zebra.conf
index ea047355ad..ea047355ad 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r1/zebra.conf
+++ b/tests/topotests/ldp_sync_ospf_topo1/r1/zebra.conf
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r2/ldpd.conf b/tests/topotests/ldp_sync_ospf_topo1/r2/ldpd.conf
index 52398b1b72..52398b1b72 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r2/ldpd.conf
+++ b/tests/topotests/ldp_sync_ospf_topo1/r2/ldpd.conf
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r2/ospfd.conf b/tests/topotests/ldp_sync_ospf_topo1/r2/ospfd.conf
index f93f6aed56..f93f6aed56 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r2/ospfd.conf
+++ b/tests/topotests/ldp_sync_ospf_topo1/r2/ospfd.conf
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ip_ospf_interface.ref b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ip_ospf_interface.ref
index 82806721e7..82806721e7 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ip_ospf_interface.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ip_ospf_interface.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ip_ospf_interface_r1_eth1_shutdown.ref b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ip_ospf_interface_r1_eth1_shutdown.ref
index 71e8af1778..71e8af1778 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ip_ospf_interface_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ip_ospf_interface_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ip_ospf_interface_r2_eth1_shutdown.ref b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ip_ospf_interface_r2_eth1_shutdown.ref
index af9a9c80e5..af9a9c80e5 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ip_ospf_interface_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ip_ospf_interface_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ip_ospf_neighbor.json b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ip_ospf_neighbor.json
index 5b7a5ebbb9..5b7a5ebbb9 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ip_ospf_neighbor.json
+++ b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ip_ospf_neighbor.json
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ip_route.ref b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ip_route.ref
index 6056feffe3..6056feffe3 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ip_route.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ip_route.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r2/show_l2vpn_binding.ref b/tests/topotests/ldp_sync_ospf_topo1/r2/show_l2vpn_binding.ref
index 42c5a1cbd9..42c5a1cbd9 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r2/show_l2vpn_binding.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r2/show_l2vpn_binding.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r2/show_l2vpn_vc.ref b/tests/topotests/ldp_sync_ospf_topo1/r2/show_l2vpn_vc.ref
index 942ed23a1e..942ed23a1e 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r2/show_l2vpn_vc.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r2/show_l2vpn_vc.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ldp_binding.ref b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ldp_binding.ref
index c641fb47e6..c641fb47e6 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ldp_binding.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ldp_discovery.ref b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ldp_discovery.ref
index 26801acade..26801acade 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ldp_igp_sync.ref b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ldp_igp_sync.ref
index f2b24d7d62..f2b24d7d62 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ldp_igp_sync.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ldp_igp_sync.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ldp_igp_sync_r1_eth1_shutdown.ref b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ldp_igp_sync_r1_eth1_shutdown.ref
index b5508dd35c..b5508dd35c 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ldp_igp_sync_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ldp_igp_sync_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ldp_neighbor.ref b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ldp_neighbor.ref
index eed35289ea..eed35289ea 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ospf_ldp_sync.ref b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ospf_ldp_sync.ref
index 6c27a10427..6c27a10427 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ospf_ldp_sync.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ospf_ldp_sync.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ospf_ldp_sync_r1_eth1_shutdown.ref b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ospf_ldp_sync_r1_eth1_shutdown.ref
index 889f69ed7f..889f69ed7f 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ospf_ldp_sync_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ospf_ldp_sync_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ospf_ldp_sync_r2_eth1_shutdown.ref b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ospf_ldp_sync_r2_eth1_shutdown.ref
index d9036e124b..d9036e124b 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r2/show_ospf_ldp_sync_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r2/show_ospf_ldp_sync_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r2/zebra.conf b/tests/topotests/ldp_sync_ospf_topo1/r2/zebra.conf
index c244442876..c244442876 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r2/zebra.conf
+++ b/tests/topotests/ldp_sync_ospf_topo1/r2/zebra.conf
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r3/ldpd.conf b/tests/topotests/ldp_sync_ospf_topo1/r3/ldpd.conf
index 2935caf13b..2935caf13b 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r3/ldpd.conf
+++ b/tests/topotests/ldp_sync_ospf_topo1/r3/ldpd.conf
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r3/ospfd.conf b/tests/topotests/ldp_sync_ospf_topo1/r3/ospfd.conf
index 09eea759ad..09eea759ad 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r3/ospfd.conf
+++ b/tests/topotests/ldp_sync_ospf_topo1/r3/ospfd.conf
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ip_ospf_interface.ref b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ip_ospf_interface.ref
index aec97b30cb..aec97b30cb 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ip_ospf_interface.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ip_ospf_interface.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ip_ospf_interface_r1_eth1_shutdown.ref b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ip_ospf_interface_r1_eth1_shutdown.ref
index aec97b30cb..aec97b30cb 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ip_ospf_interface_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ip_ospf_interface_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ip_ospf_interface_r2_eth1_shutdown.ref b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ip_ospf_interface_r2_eth1_shutdown.ref
index aec97b30cb..aec97b30cb 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ip_ospf_interface_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ip_ospf_interface_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ip_ospf_neighbor.json b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ip_ospf_neighbor.json
index 1b29b9f947..1b29b9f947 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ip_ospf_neighbor.json
+++ b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ip_ospf_neighbor.json
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ip_route.ref b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ip_route.ref
index fc96ada443..fc96ada443 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ip_route.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ip_route.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r3/show_l2vpn_binding.ref b/tests/topotests/ldp_sync_ospf_topo1/r3/show_l2vpn_binding.ref
index 2c63c08510..2c63c08510 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r3/show_l2vpn_binding.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r3/show_l2vpn_binding.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r3/show_l2vpn_vc.ref b/tests/topotests/ldp_sync_ospf_topo1/r3/show_l2vpn_vc.ref
index 2c63c08510..2c63c08510 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r3/show_l2vpn_vc.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r3/show_l2vpn_vc.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ldp_binding.ref b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ldp_binding.ref
index e54bd6e755..e54bd6e755 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ldp_binding.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ldp_discovery.ref b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ldp_discovery.ref
index 42fa98d4da..42fa98d4da 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ldp_igp_sync.ref b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ldp_igp_sync.ref
index 73261830c9..73261830c9 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ldp_igp_sync.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ldp_igp_sync.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ldp_igp_sync_r1_eth1_shutdown.ref b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ldp_igp_sync_r1_eth1_shutdown.ref
index 73261830c9..73261830c9 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ldp_igp_sync_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ldp_igp_sync_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ldp_neighbor.ref b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ldp_neighbor.ref
index 5c482da697..5c482da697 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ospf_ldp_sync.ref b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ospf_ldp_sync.ref
index b417ab040a..b417ab040a 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ospf_ldp_sync.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ospf_ldp_sync.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ospf_ldp_sync_r1_eth1_shutdown.ref b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ospf_ldp_sync_r1_eth1_shutdown.ref
index b417ab040a..b417ab040a 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ospf_ldp_sync_r1_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ospf_ldp_sync_r1_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ospf_ldp_sync_r2_eth1_shutdown.ref b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ospf_ldp_sync_r2_eth1_shutdown.ref
index b417ab040a..b417ab040a 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r3/show_ospf_ldp_sync_r2_eth1_shutdown.ref
+++ b/tests/topotests/ldp_sync_ospf_topo1/r3/show_ospf_ldp_sync_r2_eth1_shutdown.ref
diff --git a/tests/topotests/ldp-sync-ospf-topo1/r3/zebra.conf b/tests/topotests/ldp_sync_ospf_topo1/r3/zebra.conf
index b1919bd296..b1919bd296 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/r3/zebra.conf
+++ b/tests/topotests/ldp_sync_ospf_topo1/r3/zebra.conf
diff --git a/tests/topotests/ldp-sync-ospf-topo1/test_ldp_sync_ospf_topo1.dot b/tests/topotests/ldp_sync_ospf_topo1/test_ldp_sync_ospf_topo1.dot
index 4f1bd22f7c..4f1bd22f7c 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/test_ldp_sync_ospf_topo1.dot
+++ b/tests/topotests/ldp_sync_ospf_topo1/test_ldp_sync_ospf_topo1.dot
diff --git a/tests/topotests/ldp-sync-ospf-topo1/test_ldp_sync_ospf_topo1.py b/tests/topotests/ldp_sync_ospf_topo1/test_ldp_sync_ospf_topo1.py
index 57b45e5fdf..57b45e5fdf 100644
--- a/tests/topotests/ldp-sync-ospf-topo1/test_ldp_sync_ospf_topo1.py
+++ b/tests/topotests/ldp_sync_ospf_topo1/test_ldp_sync_ospf_topo1.py
diff --git a/tests/topotests/ldp-topo1/r1/ip_mpls_route.ref b/tests/topotests/ldp_topo1/r1/ip_mpls_route.ref
index a13c1d459b..a13c1d459b 100644
--- a/tests/topotests/ldp-topo1/r1/ip_mpls_route.ref
+++ b/tests/topotests/ldp_topo1/r1/ip_mpls_route.ref
diff --git a/tests/topotests/ldp-topo1/r1/ldpd.conf b/tests/topotests/ldp_topo1/r1/ldpd.conf
index 3c6cbddc2a..3c6cbddc2a 100644
--- a/tests/topotests/ldp-topo1/r1/ldpd.conf
+++ b/tests/topotests/ldp_topo1/r1/ldpd.conf
diff --git a/tests/topotests/ldp-topo1/r1/ospfd.conf b/tests/topotests/ldp_topo1/r1/ospfd.conf
index 87d5703d9e..87d5703d9e 100644
--- a/tests/topotests/ldp-topo1/r1/ospfd.conf
+++ b/tests/topotests/ldp_topo1/r1/ospfd.conf
diff --git a/tests/topotests/ldp-topo1/r1/show_ipv4_route.ref b/tests/topotests/ldp_topo1/r1/show_ipv4_route.ref
index 7d398887c4..7d398887c4 100644
--- a/tests/topotests/ldp-topo1/r1/show_ipv4_route.ref
+++ b/tests/topotests/ldp_topo1/r1/show_ipv4_route.ref
diff --git a/tests/topotests/ldp-topo1/r1/show_mpls_ldp_binding.ref b/tests/topotests/ldp_topo1/r1/show_mpls_ldp_binding.ref
index 32aa60c30d..32aa60c30d 100644
--- a/tests/topotests/ldp-topo1/r1/show_mpls_ldp_binding.ref
+++ b/tests/topotests/ldp_topo1/r1/show_mpls_ldp_binding.ref
diff --git a/tests/topotests/ldp-topo1/r1/show_mpls_ldp_discovery.ref b/tests/topotests/ldp_topo1/r1/show_mpls_ldp_discovery.ref
index 373755ab87..373755ab87 100644
--- a/tests/topotests/ldp-topo1/r1/show_mpls_ldp_discovery.ref
+++ b/tests/topotests/ldp_topo1/r1/show_mpls_ldp_discovery.ref
diff --git a/tests/topotests/ldp-topo1/r1/show_mpls_ldp_interface.ref b/tests/topotests/ldp_topo1/r1/show_mpls_ldp_interface.ref
index 0fb15d2da7..0fb15d2da7 100644
--- a/tests/topotests/ldp-topo1/r1/show_mpls_ldp_interface.ref
+++ b/tests/topotests/ldp_topo1/r1/show_mpls_ldp_interface.ref
diff --git a/tests/topotests/ldp-topo1/r1/show_mpls_ldp_neighbor.ref b/tests/topotests/ldp_topo1/r1/show_mpls_ldp_neighbor.ref
index 29e264ff3c..29e264ff3c 100644
--- a/tests/topotests/ldp-topo1/r1/show_mpls_ldp_neighbor.ref
+++ b/tests/topotests/ldp_topo1/r1/show_mpls_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-topo1/r1/show_mpls_table.ref b/tests/topotests/ldp_topo1/r1/show_mpls_table.ref
index 7e24359af3..7e24359af3 100644
--- a/tests/topotests/ldp-topo1/r1/show_mpls_table.ref
+++ b/tests/topotests/ldp_topo1/r1/show_mpls_table.ref
diff --git a/tests/topotests/ldp-topo1/r1/zebra.conf b/tests/topotests/ldp_topo1/r1/zebra.conf
index 55b4b0e9c6..55b4b0e9c6 100644
--- a/tests/topotests/ldp-topo1/r1/zebra.conf
+++ b/tests/topotests/ldp_topo1/r1/zebra.conf
diff --git a/tests/topotests/ldp-topo1/r2/ip_mpls_route.ref b/tests/topotests/ldp_topo1/r2/ip_mpls_route.ref
index f962070c36..f962070c36 100644
--- a/tests/topotests/ldp-topo1/r2/ip_mpls_route.ref
+++ b/tests/topotests/ldp_topo1/r2/ip_mpls_route.ref
diff --git a/tests/topotests/ldp-topo1/r2/ldpd.conf b/tests/topotests/ldp_topo1/r2/ldpd.conf
index bfdef21b75..bfdef21b75 100644
--- a/tests/topotests/ldp-topo1/r2/ldpd.conf
+++ b/tests/topotests/ldp_topo1/r2/ldpd.conf
diff --git a/tests/topotests/ldp-topo1/r2/ospfd.conf b/tests/topotests/ldp_topo1/r2/ospfd.conf
index dbed6189c8..dbed6189c8 100644
--- a/tests/topotests/ldp-topo1/r2/ospfd.conf
+++ b/tests/topotests/ldp_topo1/r2/ospfd.conf
diff --git a/tests/topotests/ldp-topo1/r2/show_ipv4_route.ref b/tests/topotests/ldp_topo1/r2/show_ipv4_route.ref
index 90e18962a8..90e18962a8 100644
--- a/tests/topotests/ldp-topo1/r2/show_ipv4_route.ref
+++ b/tests/topotests/ldp_topo1/r2/show_ipv4_route.ref
diff --git a/tests/topotests/ldp-topo1/r2/show_mpls_ldp_binding.ref b/tests/topotests/ldp_topo1/r2/show_mpls_ldp_binding.ref
index d7df72e854..d7df72e854 100644
--- a/tests/topotests/ldp-topo1/r2/show_mpls_ldp_binding.ref
+++ b/tests/topotests/ldp_topo1/r2/show_mpls_ldp_binding.ref
diff --git a/tests/topotests/ldp-topo1/r2/show_mpls_ldp_discovery.ref b/tests/topotests/ldp_topo1/r2/show_mpls_ldp_discovery.ref
index 6405b5e388..6405b5e388 100644
--- a/tests/topotests/ldp-topo1/r2/show_mpls_ldp_discovery.ref
+++ b/tests/topotests/ldp_topo1/r2/show_mpls_ldp_discovery.ref
diff --git a/tests/topotests/ldp-topo1/r2/show_mpls_ldp_interface.ref b/tests/topotests/ldp_topo1/r2/show_mpls_ldp_interface.ref
index f9fc98408c..f9fc98408c 100644
--- a/tests/topotests/ldp-topo1/r2/show_mpls_ldp_interface.ref
+++ b/tests/topotests/ldp_topo1/r2/show_mpls_ldp_interface.ref
diff --git a/tests/topotests/ldp-topo1/r2/show_mpls_ldp_neighbor.ref b/tests/topotests/ldp_topo1/r2/show_mpls_ldp_neighbor.ref
index 1172cbfc2b..1172cbfc2b 100644
--- a/tests/topotests/ldp-topo1/r2/show_mpls_ldp_neighbor.ref
+++ b/tests/topotests/ldp_topo1/r2/show_mpls_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-topo1/r2/show_mpls_table.ref b/tests/topotests/ldp_topo1/r2/show_mpls_table.ref
index df05a6b31a..df05a6b31a 100644
--- a/tests/topotests/ldp-topo1/r2/show_mpls_table.ref
+++ b/tests/topotests/ldp_topo1/r2/show_mpls_table.ref
diff --git a/tests/topotests/ldp-topo1/r2/zebra.conf b/tests/topotests/ldp_topo1/r2/zebra.conf
index dd1dbac32b..dd1dbac32b 100644
--- a/tests/topotests/ldp-topo1/r2/zebra.conf
+++ b/tests/topotests/ldp_topo1/r2/zebra.conf
diff --git a/tests/topotests/ldp-topo1/r3/ip_mpls_route.ref b/tests/topotests/ldp_topo1/r3/ip_mpls_route.ref
index 21750b4a23..21750b4a23 100644
--- a/tests/topotests/ldp-topo1/r3/ip_mpls_route.ref
+++ b/tests/topotests/ldp_topo1/r3/ip_mpls_route.ref
diff --git a/tests/topotests/ldp-topo1/r3/ldpd.conf b/tests/topotests/ldp_topo1/r3/ldpd.conf
index dbf1d72b5f..dbf1d72b5f 100644
--- a/tests/topotests/ldp-topo1/r3/ldpd.conf
+++ b/tests/topotests/ldp_topo1/r3/ldpd.conf
diff --git a/tests/topotests/ldp-topo1/r3/ospfd.conf b/tests/topotests/ldp_topo1/r3/ospfd.conf
index bd86fe4f24..bd86fe4f24 100644
--- a/tests/topotests/ldp-topo1/r3/ospfd.conf
+++ b/tests/topotests/ldp_topo1/r3/ospfd.conf
diff --git a/tests/topotests/ldp-topo1/r3/show_ipv4_route.ref b/tests/topotests/ldp_topo1/r3/show_ipv4_route.ref
index 9b9c763339..9b9c763339 100644
--- a/tests/topotests/ldp-topo1/r3/show_ipv4_route.ref
+++ b/tests/topotests/ldp_topo1/r3/show_ipv4_route.ref
diff --git a/tests/topotests/ldp-topo1/r3/show_mpls_ldp_binding.ref b/tests/topotests/ldp_topo1/r3/show_mpls_ldp_binding.ref
index 058a245f59..058a245f59 100644
--- a/tests/topotests/ldp-topo1/r3/show_mpls_ldp_binding.ref
+++ b/tests/topotests/ldp_topo1/r3/show_mpls_ldp_binding.ref
diff --git a/tests/topotests/ldp-topo1/r3/show_mpls_ldp_discovery.ref b/tests/topotests/ldp_topo1/r3/show_mpls_ldp_discovery.ref
index e3dbf06c2e..e3dbf06c2e 100644
--- a/tests/topotests/ldp-topo1/r3/show_mpls_ldp_discovery.ref
+++ b/tests/topotests/ldp_topo1/r3/show_mpls_ldp_discovery.ref
diff --git a/tests/topotests/ldp-topo1/r3/show_mpls_ldp_interface.ref b/tests/topotests/ldp_topo1/r3/show_mpls_ldp_interface.ref
index 243811e3a9..243811e3a9 100644
--- a/tests/topotests/ldp-topo1/r3/show_mpls_ldp_interface.ref
+++ b/tests/topotests/ldp_topo1/r3/show_mpls_ldp_interface.ref
diff --git a/tests/topotests/ldp-topo1/r3/show_mpls_ldp_neighbor.ref b/tests/topotests/ldp_topo1/r3/show_mpls_ldp_neighbor.ref
index 769f78277b..769f78277b 100644
--- a/tests/topotests/ldp-topo1/r3/show_mpls_ldp_neighbor.ref
+++ b/tests/topotests/ldp_topo1/r3/show_mpls_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-topo1/r3/show_mpls_table.ref b/tests/topotests/ldp_topo1/r3/show_mpls_table.ref
index 3978895613..3978895613 100644
--- a/tests/topotests/ldp-topo1/r3/show_mpls_table.ref
+++ b/tests/topotests/ldp_topo1/r3/show_mpls_table.ref
diff --git a/tests/topotests/ldp-topo1/r3/zebra.conf b/tests/topotests/ldp_topo1/r3/zebra.conf
index 456820fdb4..456820fdb4 100644
--- a/tests/topotests/ldp-topo1/r3/zebra.conf
+++ b/tests/topotests/ldp_topo1/r3/zebra.conf
diff --git a/tests/topotests/ldp-topo1/r4/ip_mpls_route.ref b/tests/topotests/ldp_topo1/r4/ip_mpls_route.ref
index aef2fefd57..aef2fefd57 100644
--- a/tests/topotests/ldp-topo1/r4/ip_mpls_route.ref
+++ b/tests/topotests/ldp_topo1/r4/ip_mpls_route.ref
diff --git a/tests/topotests/ldp-topo1/r4/ldpd.conf b/tests/topotests/ldp_topo1/r4/ldpd.conf
index 8f3533527d..8f3533527d 100644
--- a/tests/topotests/ldp-topo1/r4/ldpd.conf
+++ b/tests/topotests/ldp_topo1/r4/ldpd.conf
diff --git a/tests/topotests/ldp-topo1/r4/ospfd.conf b/tests/topotests/ldp_topo1/r4/ospfd.conf
index 5aae885a12..5aae885a12 100644
--- a/tests/topotests/ldp-topo1/r4/ospfd.conf
+++ b/tests/topotests/ldp_topo1/r4/ospfd.conf
diff --git a/tests/topotests/ldp-topo1/r4/show_ipv4_route.ref b/tests/topotests/ldp_topo1/r4/show_ipv4_route.ref
index 7444cc924b..7444cc924b 100644
--- a/tests/topotests/ldp-topo1/r4/show_ipv4_route.ref
+++ b/tests/topotests/ldp_topo1/r4/show_ipv4_route.ref
diff --git a/tests/topotests/ldp-topo1/r4/show_mpls_ldp_binding.ref b/tests/topotests/ldp_topo1/r4/show_mpls_ldp_binding.ref
index 1e9dfa3d16..1e9dfa3d16 100644
--- a/tests/topotests/ldp-topo1/r4/show_mpls_ldp_binding.ref
+++ b/tests/topotests/ldp_topo1/r4/show_mpls_ldp_binding.ref
diff --git a/tests/topotests/ldp-topo1/r4/show_mpls_ldp_discovery.ref b/tests/topotests/ldp_topo1/r4/show_mpls_ldp_discovery.ref
index a7026570db..a7026570db 100644
--- a/tests/topotests/ldp-topo1/r4/show_mpls_ldp_discovery.ref
+++ b/tests/topotests/ldp_topo1/r4/show_mpls_ldp_discovery.ref
diff --git a/tests/topotests/ldp-topo1/r4/show_mpls_ldp_interface.ref b/tests/topotests/ldp_topo1/r4/show_mpls_ldp_interface.ref
index dd57656f15..dd57656f15 100644
--- a/tests/topotests/ldp-topo1/r4/show_mpls_ldp_interface.ref
+++ b/tests/topotests/ldp_topo1/r4/show_mpls_ldp_interface.ref
diff --git a/tests/topotests/ldp-topo1/r4/show_mpls_ldp_neighbor.ref b/tests/topotests/ldp_topo1/r4/show_mpls_ldp_neighbor.ref
index 7c60522f9b..7c60522f9b 100644
--- a/tests/topotests/ldp-topo1/r4/show_mpls_ldp_neighbor.ref
+++ b/tests/topotests/ldp_topo1/r4/show_mpls_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-topo1/r4/show_mpls_table.ref b/tests/topotests/ldp_topo1/r4/show_mpls_table.ref
index 174dcebd4d..174dcebd4d 100644
--- a/tests/topotests/ldp-topo1/r4/show_mpls_table.ref
+++ b/tests/topotests/ldp_topo1/r4/show_mpls_table.ref
diff --git a/tests/topotests/ldp-topo1/r4/zebra.conf b/tests/topotests/ldp_topo1/r4/zebra.conf
index 4a270af578..4a270af578 100644
--- a/tests/topotests/ldp-topo1/r4/zebra.conf
+++ b/tests/topotests/ldp_topo1/r4/zebra.conf
diff --git a/tests/topotests/ldp-topo1/test_ldp_topo1.py b/tests/topotests/ldp_topo1/test_ldp_topo1.py
index 06e7734094..06e7734094 100644
--- a/tests/topotests/ldp-topo1/test_ldp_topo1.py
+++ b/tests/topotests/ldp_topo1/test_ldp_topo1.py
diff --git a/tests/topotests/ldp-vpls-topo1/__init__.py b/tests/topotests/ldp_vpls_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/ldp-vpls-topo1/__init__.py
+++ b/tests/topotests/ldp_vpls_topo1/__init__.py
diff --git a/tests/topotests/ldp-vpls-topo1/ce1/zebra.conf b/tests/topotests/ldp_vpls_topo1/ce1/zebra.conf
index 6f165e2724..6f165e2724 100644
--- a/tests/topotests/ldp-vpls-topo1/ce1/zebra.conf
+++ b/tests/topotests/ldp_vpls_topo1/ce1/zebra.conf
diff --git a/tests/topotests/ldp-vpls-topo1/ce2/zebra.conf b/tests/topotests/ldp_vpls_topo1/ce2/zebra.conf
index ac02d0f9a4..ac02d0f9a4 100644
--- a/tests/topotests/ldp-vpls-topo1/ce2/zebra.conf
+++ b/tests/topotests/ldp_vpls_topo1/ce2/zebra.conf
diff --git a/tests/topotests/ldp-vpls-topo1/ce3/zebra.conf b/tests/topotests/ldp_vpls_topo1/ce3/zebra.conf
index c6a5824d15..c6a5824d15 100644
--- a/tests/topotests/ldp-vpls-topo1/ce3/zebra.conf
+++ b/tests/topotests/ldp_vpls_topo1/ce3/zebra.conf
diff --git a/tests/topotests/ldp-vpls-topo1/r1/ldpd.conf b/tests/topotests/ldp_vpls_topo1/r1/ldpd.conf
index a1c0c822d6..a1c0c822d6 100644
--- a/tests/topotests/ldp-vpls-topo1/r1/ldpd.conf
+++ b/tests/topotests/ldp_vpls_topo1/r1/ldpd.conf
diff --git a/tests/topotests/ldp-vpls-topo1/r1/ospf-nbrs.txt b/tests/topotests/ldp_vpls_topo1/r1/ospf-nbrs.txt
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/ldp-vpls-topo1/r1/ospf-nbrs.txt
+++ b/tests/topotests/ldp_vpls_topo1/r1/ospf-nbrs.txt
diff --git a/tests/topotests/ldp-vpls-topo1/r1/ospfd.conf b/tests/topotests/ldp_vpls_topo1/r1/ospfd.conf
index a66fb92ba3..a66fb92ba3 100644
--- a/tests/topotests/ldp-vpls-topo1/r1/ospfd.conf
+++ b/tests/topotests/ldp_vpls_topo1/r1/ospfd.conf
diff --git a/tests/topotests/ldp-vpls-topo1/r1/show_ip_ospf_neighbor.json b/tests/topotests/ldp_vpls_topo1/r1/show_ip_ospf_neighbor.json
index 7e281abb5f..7e281abb5f 100644
--- a/tests/topotests/ldp-vpls-topo1/r1/show_ip_ospf_neighbor.json
+++ b/tests/topotests/ldp_vpls_topo1/r1/show_ip_ospf_neighbor.json
diff --git a/tests/topotests/ldp-vpls-topo1/r1/show_ip_route.ref b/tests/topotests/ldp_vpls_topo1/r1/show_ip_route.ref
index fdb81f212d..fdb81f212d 100644
--- a/tests/topotests/ldp-vpls-topo1/r1/show_ip_route.ref
+++ b/tests/topotests/ldp_vpls_topo1/r1/show_ip_route.ref
diff --git a/tests/topotests/ldp-vpls-topo1/r1/show_l2vpn_binding.ref b/tests/topotests/ldp_vpls_topo1/r1/show_l2vpn_binding.ref
index b3de7e2c66..b3de7e2c66 100644
--- a/tests/topotests/ldp-vpls-topo1/r1/show_l2vpn_binding.ref
+++ b/tests/topotests/ldp_vpls_topo1/r1/show_l2vpn_binding.ref
diff --git a/tests/topotests/ldp-vpls-topo1/r1/show_l2vpn_vc.ref b/tests/topotests/ldp_vpls_topo1/r1/show_l2vpn_vc.ref
index 29e9df1089..29e9df1089 100644
--- a/tests/topotests/ldp-vpls-topo1/r1/show_l2vpn_vc.ref
+++ b/tests/topotests/ldp_vpls_topo1/r1/show_l2vpn_vc.ref
diff --git a/tests/topotests/ldp-vpls-topo1/r1/show_ldp_binding.ref b/tests/topotests/ldp_vpls_topo1/r1/show_ldp_binding.ref
index b3a12ec53f..b3a12ec53f 100644
--- a/tests/topotests/ldp-vpls-topo1/r1/show_ldp_binding.ref
+++ b/tests/topotests/ldp_vpls_topo1/r1/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-vpls-topo1/r1/show_ldp_discovery.ref b/tests/topotests/ldp_vpls_topo1/r1/show_ldp_discovery.ref
index 9301e60c67..9301e60c67 100644
--- a/tests/topotests/ldp-vpls-topo1/r1/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_vpls_topo1/r1/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-vpls-topo1/r1/show_ldp_neighbor.ref b/tests/topotests/ldp_vpls_topo1/r1/show_ldp_neighbor.ref
index 40d8ebeb90..40d8ebeb90 100644
--- a/tests/topotests/ldp-vpls-topo1/r1/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_vpls_topo1/r1/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-vpls-topo1/r1/zebra.conf b/tests/topotests/ldp_vpls_topo1/r1/zebra.conf
index ea047355ad..ea047355ad 100644
--- a/tests/topotests/ldp-vpls-topo1/r1/zebra.conf
+++ b/tests/topotests/ldp_vpls_topo1/r1/zebra.conf
diff --git a/tests/topotests/ldp-vpls-topo1/r2/ldpd.conf b/tests/topotests/ldp_vpls_topo1/r2/ldpd.conf
index 06e5973040..06e5973040 100644
--- a/tests/topotests/ldp-vpls-topo1/r2/ldpd.conf
+++ b/tests/topotests/ldp_vpls_topo1/r2/ldpd.conf
diff --git a/tests/topotests/ldp-vpls-topo1/r2/ospfd.conf b/tests/topotests/ldp_vpls_topo1/r2/ospfd.conf
index b4692feec8..b4692feec8 100644
--- a/tests/topotests/ldp-vpls-topo1/r2/ospfd.conf
+++ b/tests/topotests/ldp_vpls_topo1/r2/ospfd.conf
diff --git a/tests/topotests/ldp-vpls-topo1/r2/show_ip_ospf_neighbor.json b/tests/topotests/ldp_vpls_topo1/r2/show_ip_ospf_neighbor.json
index 22fd98f519..22fd98f519 100644
--- a/tests/topotests/ldp-vpls-topo1/r2/show_ip_ospf_neighbor.json
+++ b/tests/topotests/ldp_vpls_topo1/r2/show_ip_ospf_neighbor.json
diff --git a/tests/topotests/ldp-vpls-topo1/r2/show_ip_route.ref b/tests/topotests/ldp_vpls_topo1/r2/show_ip_route.ref
index 6056feffe3..6056feffe3 100644
--- a/tests/topotests/ldp-vpls-topo1/r2/show_ip_route.ref
+++ b/tests/topotests/ldp_vpls_topo1/r2/show_ip_route.ref
diff --git a/tests/topotests/ldp-vpls-topo1/r2/show_l2vpn_binding.ref b/tests/topotests/ldp_vpls_topo1/r2/show_l2vpn_binding.ref
index 42c5a1cbd9..42c5a1cbd9 100644
--- a/tests/topotests/ldp-vpls-topo1/r2/show_l2vpn_binding.ref
+++ b/tests/topotests/ldp_vpls_topo1/r2/show_l2vpn_binding.ref
diff --git a/tests/topotests/ldp-vpls-topo1/r2/show_l2vpn_vc.ref b/tests/topotests/ldp_vpls_topo1/r2/show_l2vpn_vc.ref
index 942ed23a1e..942ed23a1e 100644
--- a/tests/topotests/ldp-vpls-topo1/r2/show_l2vpn_vc.ref
+++ b/tests/topotests/ldp_vpls_topo1/r2/show_l2vpn_vc.ref
diff --git a/tests/topotests/ldp-vpls-topo1/r2/show_ldp_binding.ref b/tests/topotests/ldp_vpls_topo1/r2/show_ldp_binding.ref
index c641fb47e6..c641fb47e6 100644
--- a/tests/topotests/ldp-vpls-topo1/r2/show_ldp_binding.ref
+++ b/tests/topotests/ldp_vpls_topo1/r2/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-vpls-topo1/r2/show_ldp_discovery.ref b/tests/topotests/ldp_vpls_topo1/r2/show_ldp_discovery.ref
index 26801acade..26801acade 100644
--- a/tests/topotests/ldp-vpls-topo1/r2/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_vpls_topo1/r2/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-vpls-topo1/r2/show_ldp_neighbor.ref b/tests/topotests/ldp_vpls_topo1/r2/show_ldp_neighbor.ref
index eed35289ea..eed35289ea 100644
--- a/tests/topotests/ldp-vpls-topo1/r2/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_vpls_topo1/r2/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-vpls-topo1/r2/zebra.conf b/tests/topotests/ldp_vpls_topo1/r2/zebra.conf
index c244442876..c244442876 100644
--- a/tests/topotests/ldp-vpls-topo1/r2/zebra.conf
+++ b/tests/topotests/ldp_vpls_topo1/r2/zebra.conf
diff --git a/tests/topotests/ldp-vpls-topo1/r3/ldpd.conf b/tests/topotests/ldp_vpls_topo1/r3/ldpd.conf
index 57a203bce3..57a203bce3 100644
--- a/tests/topotests/ldp-vpls-topo1/r3/ldpd.conf
+++ b/tests/topotests/ldp_vpls_topo1/r3/ldpd.conf
diff --git a/tests/topotests/ldp-vpls-topo1/r3/ospfd.conf b/tests/topotests/ldp_vpls_topo1/r3/ospfd.conf
index 2413bfa9d5..2413bfa9d5 100644
--- a/tests/topotests/ldp-vpls-topo1/r3/ospfd.conf
+++ b/tests/topotests/ldp_vpls_topo1/r3/ospfd.conf
diff --git a/tests/topotests/ldp-vpls-topo1/r3/show_ip_ospf_neighbor.json b/tests/topotests/ldp_vpls_topo1/r3/show_ip_ospf_neighbor.json
index 970eb2fc1d..970eb2fc1d 100644
--- a/tests/topotests/ldp-vpls-topo1/r3/show_ip_ospf_neighbor.json
+++ b/tests/topotests/ldp_vpls_topo1/r3/show_ip_ospf_neighbor.json
diff --git a/tests/topotests/ldp-vpls-topo1/r3/show_ip_route.ref b/tests/topotests/ldp_vpls_topo1/r3/show_ip_route.ref
index fc96ada443..fc96ada443 100644
--- a/tests/topotests/ldp-vpls-topo1/r3/show_ip_route.ref
+++ b/tests/topotests/ldp_vpls_topo1/r3/show_ip_route.ref
diff --git a/tests/topotests/ldp-vpls-topo1/r3/show_l2vpn_binding.ref b/tests/topotests/ldp_vpls_topo1/r3/show_l2vpn_binding.ref
index 2c63c08510..2c63c08510 100644
--- a/tests/topotests/ldp-vpls-topo1/r3/show_l2vpn_binding.ref
+++ b/tests/topotests/ldp_vpls_topo1/r3/show_l2vpn_binding.ref
diff --git a/tests/topotests/ldp-vpls-topo1/r3/show_l2vpn_vc.ref b/tests/topotests/ldp_vpls_topo1/r3/show_l2vpn_vc.ref
index 2c63c08510..2c63c08510 100644
--- a/tests/topotests/ldp-vpls-topo1/r3/show_l2vpn_vc.ref
+++ b/tests/topotests/ldp_vpls_topo1/r3/show_l2vpn_vc.ref
diff --git a/tests/topotests/ldp-vpls-topo1/r3/show_ldp_binding.ref b/tests/topotests/ldp_vpls_topo1/r3/show_ldp_binding.ref
index e54bd6e755..e54bd6e755 100644
--- a/tests/topotests/ldp-vpls-topo1/r3/show_ldp_binding.ref
+++ b/tests/topotests/ldp_vpls_topo1/r3/show_ldp_binding.ref
diff --git a/tests/topotests/ldp-vpls-topo1/r3/show_ldp_discovery.ref b/tests/topotests/ldp_vpls_topo1/r3/show_ldp_discovery.ref
index 42fa98d4da..42fa98d4da 100644
--- a/tests/topotests/ldp-vpls-topo1/r3/show_ldp_discovery.ref
+++ b/tests/topotests/ldp_vpls_topo1/r3/show_ldp_discovery.ref
diff --git a/tests/topotests/ldp-vpls-topo1/r3/show_ldp_neighbor.ref b/tests/topotests/ldp_vpls_topo1/r3/show_ldp_neighbor.ref
index 5c482da697..5c482da697 100644
--- a/tests/topotests/ldp-vpls-topo1/r3/show_ldp_neighbor.ref
+++ b/tests/topotests/ldp_vpls_topo1/r3/show_ldp_neighbor.ref
diff --git a/tests/topotests/ldp-vpls-topo1/r3/zebra.conf b/tests/topotests/ldp_vpls_topo1/r3/zebra.conf
index 6b1eaa2ca0..6b1eaa2ca0 100644
--- a/tests/topotests/ldp-vpls-topo1/r3/zebra.conf
+++ b/tests/topotests/ldp_vpls_topo1/r3/zebra.conf
diff --git a/tests/topotests/ldp-vpls-topo1/test_ldp_vpls_topo1.dot b/tests/topotests/ldp_vpls_topo1/test_ldp_vpls_topo1.dot
index 4f1bd22f7c..4f1bd22f7c 100644
--- a/tests/topotests/ldp-vpls-topo1/test_ldp_vpls_topo1.dot
+++ b/tests/topotests/ldp_vpls_topo1/test_ldp_vpls_topo1.dot
diff --git a/tests/topotests/ldp-vpls-topo1/test_ldp_vpls_topo1.pdf b/tests/topotests/ldp_vpls_topo1/test_ldp_vpls_topo1.pdf
index 4d26732ea7..4d26732ea7 100644
--- a/tests/topotests/ldp-vpls-topo1/test_ldp_vpls_topo1.pdf
+++ b/tests/topotests/ldp_vpls_topo1/test_ldp_vpls_topo1.pdf
diff --git a/tests/topotests/ldp-vpls-topo1/test_ldp_vpls_topo1.py b/tests/topotests/ldp_vpls_topo1/test_ldp_vpls_topo1.py
index 0ea7aca3eb..0ea7aca3eb 100644
--- a/tests/topotests/ldp-vpls-topo1/test_ldp_vpls_topo1.py
+++ b/tests/topotests/ldp_vpls_topo1/test_ldp_vpls_topo1.py
diff --git a/tests/topotests/multicast-pim-bsm-topo1/mcast_pim_bsmp_01.json b/tests/topotests/multicast_pim_bsm_topo1/mcast_pim_bsmp_01.json
index 14cb0bee1d..14cb0bee1d 100644
--- a/tests/topotests/multicast-pim-bsm-topo1/mcast_pim_bsmp_01.json
+++ b/tests/topotests/multicast_pim_bsm_topo1/mcast_pim_bsmp_01.json
diff --git a/tests/topotests/multicast-pim-bsm-topo1/test_mcast_pim_bsmp_01.py b/tests/topotests/multicast_pim_bsm_topo1/test_mcast_pim_bsmp_01.py
index cd398a5111..cd398a5111 100644
--- a/tests/topotests/multicast-pim-bsm-topo1/test_mcast_pim_bsmp_01.py
+++ b/tests/topotests/multicast_pim_bsm_topo1/test_mcast_pim_bsmp_01.py
diff --git a/tests/topotests/multicast-pim-bsm-topo2/mcast_pim_bsmp_02.json b/tests/topotests/multicast_pim_bsm_topo2/mcast_pim_bsmp_02.json
index 14cb0bee1d..14cb0bee1d 100644
--- a/tests/topotests/multicast-pim-bsm-topo2/mcast_pim_bsmp_02.json
+++ b/tests/topotests/multicast_pim_bsm_topo2/mcast_pim_bsmp_02.json
diff --git a/tests/topotests/multicast-pim-bsm-topo2/test_mcast_pim_bsmp_02.py b/tests/topotests/multicast_pim_bsm_topo2/test_mcast_pim_bsmp_02.py
index 199746d5f6..199746d5f6 100644
--- a/tests/topotests/multicast-pim-bsm-topo2/test_mcast_pim_bsmp_02.py
+++ b/tests/topotests/multicast_pim_bsm_topo2/test_mcast_pim_bsmp_02.py
diff --git a/tests/topotests/multicast-pim-sm-topo1/multicast_pim_sm_topo1.json b/tests/topotests/multicast_pim_sm_topo1/multicast_pim_sm_topo1.json
index 71454c2ab2..71454c2ab2 100644
--- a/tests/topotests/multicast-pim-sm-topo1/multicast_pim_sm_topo1.json
+++ b/tests/topotests/multicast_pim_sm_topo1/multicast_pim_sm_topo1.json
diff --git a/tests/topotests/multicast-pim-sm-topo1/test_multicast_pim_sm_topo1.py b/tests/topotests/multicast_pim_sm_topo1/test_multicast_pim_sm_topo1.py
index e55e30270d..e55e30270d 100755
--- a/tests/topotests/multicast-pim-sm-topo1/test_multicast_pim_sm_topo1.py
+++ b/tests/topotests/multicast_pim_sm_topo1/test_multicast_pim_sm_topo1.py
diff --git a/tests/topotests/multicast-pim-sm-topo2/multicast_pim_sm_topo2.json b/tests/topotests/multicast_pim_sm_topo2/multicast_pim_sm_topo2.json
index 71454c2ab2..71454c2ab2 100644
--- a/tests/topotests/multicast-pim-sm-topo2/multicast_pim_sm_topo2.json
+++ b/tests/topotests/multicast_pim_sm_topo2/multicast_pim_sm_topo2.json
diff --git a/tests/topotests/multicast-pim-sm-topo2/test_multicast_pim_sm_topo2.py b/tests/topotests/multicast_pim_sm_topo2/test_multicast_pim_sm_topo2.py
index 7e409c2a05..7e409c2a05 100755
--- a/tests/topotests/multicast-pim-sm-topo2/test_multicast_pim_sm_topo2.py
+++ b/tests/topotests/multicast_pim_sm_topo2/test_multicast_pim_sm_topo2.py
diff --git a/tests/topotests/multicast-pim-sm-topo3/multicast_pim_sm_topo3.json b/tests/topotests/multicast_pim_sm_topo3/multicast_pim_sm_topo3.json
index f582f4929d..f582f4929d 100644
--- a/tests/topotests/multicast-pim-sm-topo3/multicast_pim_sm_topo3.json
+++ b/tests/topotests/multicast_pim_sm_topo3/multicast_pim_sm_topo3.json
diff --git a/tests/topotests/multicast-pim-sm-topo3/multicast_pim_sm_topo4.json b/tests/topotests/multicast_pim_sm_topo3/multicast_pim_sm_topo4.json
index 4635dac7d2..4635dac7d2 100644
--- a/tests/topotests/multicast-pim-sm-topo3/multicast_pim_sm_topo4.json
+++ b/tests/topotests/multicast_pim_sm_topo3/multicast_pim_sm_topo4.json
diff --git a/tests/topotests/multicast-pim-sm-topo3/test_multicast_pim_sm_topo3.py b/tests/topotests/multicast_pim_sm_topo3/test_multicast_pim_sm_topo3.py
index 33f476de44..33f476de44 100755
--- a/tests/topotests/multicast-pim-sm-topo3/test_multicast_pim_sm_topo3.py
+++ b/tests/topotests/multicast_pim_sm_topo3/test_multicast_pim_sm_topo3.py
diff --git a/tests/topotests/multicast-pim-sm-topo3/test_multicast_pim_sm_topo4.py b/tests/topotests/multicast_pim_sm_topo3/test_multicast_pim_sm_topo4.py
index 1081b764ac..1081b764ac 100755
--- a/tests/topotests/multicast-pim-sm-topo3/test_multicast_pim_sm_topo4.py
+++ b/tests/topotests/multicast_pim_sm_topo3/test_multicast_pim_sm_topo4.py
diff --git a/tests/topotests/multicast-pim-static-rp-topo1/__init__.py b/tests/topotests/multicast_pim_static_rp_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/multicast-pim-static-rp-topo1/__init__.py
+++ b/tests/topotests/multicast_pim_static_rp_topo1/__init__.py
diff --git a/tests/topotests/multicast-pim-static-rp-topo1/multicast_pim_static_rp.json b/tests/topotests/multicast_pim_static_rp_topo1/multicast_pim_static_rp.json
index 6d6c047b00..6d6c047b00 100644
--- a/tests/topotests/multicast-pim-static-rp-topo1/multicast_pim_static_rp.json
+++ b/tests/topotests/multicast_pim_static_rp_topo1/multicast_pim_static_rp.json
diff --git a/tests/topotests/multicast-pim-static-rp-topo1/test_multicast_pim_static_rp.py b/tests/topotests/multicast_pim_static_rp_topo1/test_multicast_pim_static_rp.py
index e90230eb3b..7bef57b629 100755
--- a/tests/topotests/multicast-pim-static-rp-topo1/test_multicast_pim_static_rp.py
+++ b/tests/topotests/multicast_pim_static_rp_topo1/test_multicast_pim_static_rp.py
@@ -101,9 +101,9 @@ import os
 import sys
 import json
 import time
-import pytest
 from time import sleep
 import datetime
+import pytest
 
 # Save the Current Working Directory to find configuration files.
 CWD = os.path.dirname(os.path.realpath(__file__))
@@ -114,9 +114,12 @@ sys.path.append(os.path.join(CWD, "../lib/"))
 
 # pylint: disable=C0413
 # Import topogen and topotest helpers
-from lib.topogen import Topogen, get_topogen
 from mininet.topo import Topo
 
+from lib.topogen import Topogen, get_topogen
+from lib.topolog import logger
+from lib.topojson import build_topo_from_json, build_config_from_json
+
 from lib.common_config import (
     start_topology,
     write_test_header,
@@ -149,16 +152,14 @@ from lib.pim import (
     clear_ip_mroute,
     clear_ip_mroute_verify,
 )
-from lib.topolog import logger
-from lib.topojson import build_topo_from_json, build_config_from_json
 
 # Reading the data from JSON File for topology and configuration creation
 jsonFile = "{}/multicast_pim_static_rp.json".format(CWD)
 try:
     with open(jsonFile, "r") as topoJson:
-        topo = json.load(topoJson)
+        TOPO = json.load(topoJson)
 except IOError:
-    logger.info("Could not read file:", jsonFile)
+    logger.info("Could not read file: %s", jsonFile)
 
 # Global variables
 GROUP_RANGE_ALL = "224.0.0.0/4"
@@ -203,7 +204,11 @@ class CreateTopo(Topo):
         tgen = get_topogen(self)
 
         # Building topology from json file
-        build_topo_from_json(tgen, topo)
+        build_topo_from_json(tgen, TOPO)
+
+    def dumdum(self):
+        """ Dummy """
+        print("%s", self.name)
 
 
 def setup_module(mod):
@@ -212,10 +217,9 @@ def setup_module(mod):
 
     * `mod`: module name
     """
-    global topo
 
     testsuite_run_time = time.asctime(time.localtime(time.time()))
-    logger.info("Testsuite start time: {}".format(testsuite_run_time))
+    logger.info("Testsuite start time: %s", testsuite_run_time)
     logger.info("=" * 40)
 
     topology = """
@@ -229,7 +233,7 @@ def setup_module(mod):
                         r4
 
     """
-    logger.info("Master Topology: \n {}".format(topology))
+    logger.info("Master Topology: \n %s", topology)
 
     logger.info("Running setup_module to create topology")
 
@@ -239,7 +243,7 @@ def setup_module(mod):
     # ... and here it calls Mininet initialization functions.
 
     # get list of daemons needs to be started for this suite.
-    daemons = topo_daemons(tgen, topo)
+    daemons = topo_daemons(tgen, TOPO)
 
     # Starting topology, create tmp files which are loaded to routers
     #  to start deamons and then start routers
@@ -250,10 +254,10 @@ def setup_module(mod):
         pytest.skip(tgen.errors)
 
     # Creating configuration from JSON
-    build_config_from_json(tgen, topo)
+    build_config_from_json(tgen, TOPO)
 
     # Verify PIM neighbors
-    result = verify_pim_neighbors(tgen, topo)
+    result = verify_pim_neighbors(tgen, TOPO)
     assert result is True, "setup_module :Failed \n Error:" " {}".format(result)
 
     logger.info("Running setup_module() done")
@@ -269,9 +273,7 @@ def teardown_module():
     # Stop toplogy and Remove tmp files
     tgen.stop_topology()
 
-    logger.info(
-        "Testsuite end time: {}".format(time.asctime(time.localtime(time.time())))
-    )
+    logger.info("Testsuite end time: %s", time.asctime(time.localtime(time.time())))
     logger.info("=" * 40)
 
 
@@ -335,9 +337,9 @@ def verify_mroute_repopulated(uptime_before, uptime_after):
                 )
                 return errormsg
 
-            d1 = datetime.datetime.strptime(uptime_before[group][source], "%H:%M:%S")
-            d2 = datetime.datetime.strptime(uptime_after[group][source], "%H:%M:%S")
-            if d2 >= d1:
+            d_1 = datetime.datetime.strptime(uptime_before[group][source], "%H:%M:%S")
+            d_2 = datetime.datetime.strptime(uptime_after[group][source], "%H:%M:%S")
+            if d_2 >= d_1:
                 errormsg = "mroute (%s, %s) is not " "repopulated [FAILED!!]" % (
                     source,
                     group,
@@ -360,7 +362,7 @@ def verify_state_incremented(state_before, state_after):
     """
 
     for router, state_data in state_before.items():
-        for state, value in state_data.items():
+        for state, _ in state_data.items():
             if state_before[router][state] >= state_after[router][state]:
                 errormsg = (
                     "[DUT: %s]: state %s value has not"
@@ -422,7 +424,7 @@ def test_add_delete_static_RP_p0(request):
     step("r1: Verify show ip igmp group without any IGMP join")
     dut = "r1"
     interface = "r1-r0-eth0"
-    result = verify_igmp_groups(tgen, dut, interface, GROUP_ADDRESS, expected=False)
+    result = verify_igmp_groups(tgen, dut, interface, GROUP_ADDRESS)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r1: igmp group present without any IGMP join \n Error: {}".format(
@@ -436,8 +438,9 @@ def test_add_delete_static_RP_p0(request):
     state_before = verify_pim_interface_traffic(tgen, state_dict)
     assert isinstance(
         state_before, dict
-    ), "Testcase{} : Failed \n state_before is not dictionary \n "
-    "Error: {}".format(tc_name, result)
+    ), "Testcase {} : Failed \n state_before is not dictionary\n Error: {}".format(
+        tc_name, result
+    )
 
     step("r0 : Send IGMP join")
     result = iperfSendIGMPJoin(tgen, "r0", GROUP_ADDRESS, join_interval=1)
@@ -453,7 +456,7 @@ def test_add_delete_static_RP_p0(request):
     iif = "r1-r2-eth1"
     rp_address = "1.0.2.17"
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
+        tgen, TOPO, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
@@ -487,12 +490,12 @@ def test_add_delete_static_RP_p0(request):
         }
     }
 
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify RP info")
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE, expected=False
+        tgen, TOPO, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
     )
     assert (
         result is not True
@@ -501,16 +504,14 @@ def test_add_delete_static_RP_p0(request):
     )
 
     step("r1: Verify upstream IIF interface")
-    result = verify_upstream_iif(tgen, dut, iif, STAR, GROUP_ADDRESS, expected=False)
+    result = verify_upstream_iif(tgen, dut, iif, STAR, GROUP_ADDRESS)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r1: upstream IIF interface present \n Error: {}".format(tc_name, result)
     )
 
     step("r1: Verify upstream join state and join timer")
-    result = verify_join_state_and_timer(
-        tgen, dut, iif, STAR, GROUP_ADDRESS, expected=False
-    )
+    result = verify_join_state_and_timer(tgen, dut, iif, STAR, GROUP_ADDRESS)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r1: upstream join state is up and join timer is running \n Error: {}".format(
@@ -519,13 +520,13 @@ def test_add_delete_static_RP_p0(request):
     )
 
     step("r1: Verify PIM state")
-    result = verify_pim_state(tgen, dut, iif, oif, GROUP_ADDRESS, expected=False)
+    result = verify_pim_state(tgen, dut, iif, oif, GROUP_ADDRESS)
     assert result is not True, "Testcase {} :Failed \n Error: {}".format(
         tc_name, result
     )
 
     step("r1: Verify ip mroutes")
-    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif, expected=False)
+    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif)
     assert (
         result is not True
     ), "Testcase {} : Failed \n " "r1: mroutes are still present \n Error: {}".format(
@@ -536,8 +537,9 @@ def test_add_delete_static_RP_p0(request):
     state_after = verify_pim_interface_traffic(tgen, state_dict)
     assert isinstance(
         state_after, dict
-    ), "Testcase{} : Failed \n state_before is not dictionary \n "
-    "Error: {}".format(tc_name, result)
+    ), "Testcase {} : Failed \n state_before is not dictionary \n Error: {}".format(
+        tc_name, result
+    )
 
     result = verify_state_incremented(state_before, state_after)
     assert result is True, "Testcase{} : Failed Error: {}".format(tc_name, result)
@@ -576,7 +578,7 @@ def test_SPT_RPT_path_same_p1(request):
     reset_config_on_routers(tgen)
     kill_iperf(tgen)
     clear_ip_mroute(tgen)
-    clear_ip_pim_interface_traffic(tgen, topo)
+    clear_ip_pim_interface_traffic(tgen, TOPO)
 
     step("pre-configuration to send IGMP join and multicast traffic")
     result = config_to_send_igmp_join_and_traffic(tgen, tc_name)
@@ -604,7 +606,7 @@ def test_SPT_RPT_path_same_p1(request):
     rp_address = "1.0.2.17"
     iif = "lo"
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
+        tgen, TOPO, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
@@ -684,9 +686,7 @@ def test_SPT_RPT_path_same_p1(request):
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r3: Verify (S, G) upstream join state and join timer")
-    result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS, expected=False
-    )
+    result = verify_join_state_and_timer(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r3: (S, G) upstream join state is up and join timer is running\n Error: {}".format(
@@ -732,7 +732,7 @@ def test_not_reachable_static_RP_p0(request):
     reset_config_on_routers(tgen)
     kill_iperf(tgen)
     clear_ip_mroute(tgen)
-    clear_ip_pim_interface_traffic(tgen, topo)
+    clear_ip_pim_interface_traffic(tgen, TOPO)
 
     step("pre-configuration to send IGMP join and multicast traffic")
     result = config_to_send_igmp_join_and_traffic(tgen, tc_name)
@@ -754,8 +754,9 @@ def test_not_reachable_static_RP_p0(request):
     state_before = verify_pim_interface_traffic(tgen, state_dict)
     assert isinstance(
         state_before, dict
-    ), "Testcase{} : Failed \n state_before is not dictionary \n "
-    "Error: {}".format(tc_name, result)
+    ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(
+        tc_name, result
+    )
 
     step("Enable IGMP on r1 interface and send IGMP " "join (225.1.1.1) to r1")
     step("Configure r2 loopback interface as RP")
@@ -770,7 +771,7 @@ def test_not_reachable_static_RP_p0(request):
     iif = "r1-r2-eth1"
     rp_address = "1.0.2.17"
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
+        tgen, TOPO, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
@@ -810,7 +811,7 @@ def test_not_reachable_static_RP_p0(request):
 
     step("r1: Check RP detail using show ip pim rp-info OIF should be unknown")
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_ALL, "Unknown", rp_address, SOURCE
+        tgen, TOPO, dut, GROUP_RANGE_ALL, "Unknown", rp_address, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
@@ -818,7 +819,7 @@ def test_not_reachable_static_RP_p0(request):
         "r1 : OIL should be same and IIF should be cleared on R1 verify"
         "using show ip pim state"
     )
-    result = verify_pim_state(tgen, dut, iif, oif, GROUP_ADDRESS, expected=False)
+    result = verify_pim_state(tgen, dut, iif, oif, GROUP_ADDRESS)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "OIL is not same and IIF is not cleared on R1 \n Error: {}".format(
@@ -827,7 +828,7 @@ def test_not_reachable_static_RP_p0(request):
     )
 
     step("r1: upstream IIF should be unknown , verify using show ip pim" "upstream")
-    result = verify_upstream_iif(tgen, dut, iif, STAR, GROUP_ADDRESS, expected=False)
+    result = verify_upstream_iif(tgen, dut, iif, STAR, GROUP_ADDRESS)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r1: upstream IIF is not unknown \n Error: {}".format(tc_name, result)
@@ -837,9 +838,7 @@ def test_not_reachable_static_RP_p0(request):
         "r1: join state should not be joined and join timer should stop,"
         "verify using show ip pim upstream"
     )
-    result = verify_join_state_and_timer(
-        tgen, dut, iif, STAR, GROUP_ADDRESS, expected=False
-    )
+    result = verify_join_state_and_timer(tgen, dut, iif, STAR, GROUP_ADDRESS)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r1: join state is joined and timer is not stopped \n Error: {}".format(
@@ -854,21 +853,22 @@ def test_not_reachable_static_RP_p0(request):
     state_after = verify_pim_interface_traffic(tgen, state_dict)
     assert isinstance(
         state_after, dict
-    ), "Testcase{} : Failed \n state_before is not dictionary \n "
-    "Error: {}".format(tc_name, result)
+    ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(
+        tc_name, result
+    )
 
     result = verify_state_incremented(state_before, state_after)
     assert result is True, "Testcase{} : Failed Error: {}".format(tc_name, result)
 
     step("r1: (*, G) cleared from mroute table using show ip mroute")
-    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif, expected=False)
+    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r1: (*, G) are not cleared from mroute table \n Error: {}".format(
             tc_name, result
         )
     )
-    logger.info("Expected behavior: {}".format(result))
+    logger.info("Expected behavior: %s", result)
 
     # Uncomment next line for debugging
     # tgen.mininet_cli()
@@ -898,7 +898,7 @@ def test_add_RP_after_join_received_p1(request):
     reset_config_on_routers(tgen)
     kill_iperf(tgen)
     clear_ip_mroute(tgen)
-    clear_ip_pim_interface_traffic(tgen, topo)
+    clear_ip_pim_interface_traffic(tgen, TOPO)
 
     step("pre-configuration to send IGMP join and multicast traffic")
     result = config_to_send_igmp_join_and_traffic(tgen, tc_name)
@@ -924,7 +924,7 @@ def test_add_RP_after_join_received_p1(request):
         }
     }
 
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify rp-info")
@@ -932,7 +932,7 @@ def test_add_RP_after_join_received_p1(request):
     rp_address = "1.0.2.17"
     iif = "r1-r2-eth1"
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE, expected=False
+        tgen, TOPO, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
     )
     assert (
         result is not True
@@ -945,8 +945,9 @@ def test_add_RP_after_join_received_p1(request):
     state_before = verify_pim_interface_traffic(tgen, state_dict)
     assert isinstance(
         state_before, dict
-    ), "Testcase{} : Failed \n state_before is not dictionary \n "
-    "Error: {}".format(tc_name, result)
+    ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(
+        tc_name, result
+    )
 
     step("r0 : Send IGMP join (225.1.1.1) to r1, when rp is not configured" "in r1")
     result = iperfSendIGMPJoin(tgen, "r0", GROUP_ADDRESS, join_interval=1)
@@ -958,7 +959,7 @@ def test_add_RP_after_join_received_p1(request):
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify upstream IIF interface")
-    result = verify_upstream_iif(tgen, dut, iif, STAR, GROUP_ADDRESS, expected=False)
+    result = verify_upstream_iif(tgen, dut, iif, STAR, GROUP_ADDRESS)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r1: upstream IFF interface is present \n Error: {}".format(tc_name, result)
@@ -966,9 +967,7 @@ def test_add_RP_after_join_received_p1(request):
 
     step("r1: Verify upstream join state and join timer")
 
-    result = verify_join_state_and_timer(
-        tgen, dut, iif, STAR, GROUP_ADDRESS, expected=False
-    )
+    result = verify_join_state_and_timer(tgen, dut, iif, STAR, GROUP_ADDRESS)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r1: upstream join state is joined and timer is running \n Error: {}".format(
@@ -977,7 +976,7 @@ def test_add_RP_after_join_received_p1(request):
     )
 
     step("r1: Verify PIM state")
-    result = verify_pim_state(tgen, dut, iif, oif, GROUP_ADDRESS, expected=False)
+    result = verify_pim_state(tgen, dut, iif, oif, GROUP_ADDRESS)
     assert (
         result is not True
     ), "Testcase {} : Failed \n " "r1: PIM state is up\n Error: {}".format(
@@ -985,7 +984,7 @@ def test_add_RP_after_join_received_p1(request):
     )
 
     step("r1: Verify ip mroutes")
-    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif, expected=False)
+    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif)
     assert (
         result is not True
     ), "Testcase {} : Failed \n " "r1: mroutes are still present\n Error: {}".format(
@@ -1006,12 +1005,12 @@ def test_add_RP_after_join_received_p1(request):
         }
     }
 
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify rp-info")
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
+        tgen, TOPO, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
@@ -1030,13 +1029,14 @@ def test_add_RP_after_join_received_p1(request):
     step("r1 : Verify ip mroutes")
     result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
-    logger.info("Expected behavior: {}".format(result))
+    logger.info("Expected behavior: %s", result)
 
     state_after = verify_pim_interface_traffic(tgen, state_dict)
     assert isinstance(
         state_after, dict
-    ), "Testcase{} : Failed \n state_before is not dictionary \n "
-    "Error: {}".format(tc_name, result)
+    ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(
+        tc_name, result
+    )
 
     result = verify_state_incremented(state_before, state_after)
     assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result)
@@ -1068,7 +1068,7 @@ def test_reachable_static_RP_after_join_p0(request):
     reset_config_on_routers(tgen)
     kill_iperf(tgen)
     clear_ip_mroute(tgen)
-    clear_ip_pim_interface_traffic(tgen, topo)
+    clear_ip_pim_interface_traffic(tgen, TOPO)
 
     step("pre-configuration to send IGMP join and multicast traffic")
     result = config_to_send_igmp_join_and_traffic(tgen, tc_name)
@@ -1083,8 +1083,9 @@ def test_reachable_static_RP_after_join_p0(request):
     state_before = verify_pim_interface_traffic(tgen, state_dict)
     assert isinstance(
         state_before, dict
-    ), "Testcase{} : Failed \n state_before is not dictionary \n "
-    "Error: {}".format(tc_name, result)
+    ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(
+        tc_name, result
+    )
 
     step("r1: Make RP un-reachable")
     dut = "r1"
@@ -1098,7 +1099,7 @@ def test_reachable_static_RP_after_join_p0(request):
     step("r1: Verify rp-info")
     rp_address = "1.0.2.17"
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_ADDRESS, "Unknown", rp_address, SOURCE
+        tgen, TOPO, dut, GROUP_ADDRESS, "Unknown", rp_address, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
@@ -1113,16 +1114,14 @@ def test_reachable_static_RP_after_join_p0(request):
 
     step("r1 : Verify upstream IIF interface")
     iif = "r1-r2-eth1"
-    result = verify_upstream_iif(tgen, dut, iif, STAR, GROUP_ADDRESS, expected=False)
+    result = verify_upstream_iif(tgen, dut, iif, STAR, GROUP_ADDRESS)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r1: upstream IIF interface is present\n Error: {}".format(tc_name, result)
     )
 
     step("r1 : Verify upstream join state and join timer")
-    result = verify_join_state_and_timer(
-        tgen, dut, iif, STAR, GROUP_ADDRESS, expected=False
-    )
+    result = verify_join_state_and_timer(tgen, dut, iif, STAR, GROUP_ADDRESS)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r1: upstream join state is joined and timer is running\n Error: {}".format(
@@ -1131,7 +1130,7 @@ def test_reachable_static_RP_after_join_p0(request):
     )
 
     step("r1 : Verify PIM state")
-    result = verify_pim_state(tgen, dut, iif, oif, GROUP_ADDRESS, expected=False)
+    result = verify_pim_state(tgen, dut, iif, oif, GROUP_ADDRESS)
     assert (
         result is not True
     ), "Testcase {} : Failed \n " "r1: PIM state is up\n Error: {}".format(
@@ -1139,7 +1138,7 @@ def test_reachable_static_RP_after_join_p0(request):
     )
 
     step("r1 : Verify ip mroutes")
-    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif, expected=False)
+    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif)
     assert (
         result is not True
     ), "Testcase {} : Failed \n " "r1: mroutes are still present\n Error: {}".format(
@@ -1156,7 +1155,7 @@ def test_reachable_static_RP_after_join_p0(request):
 
     step("r1 : Verify rp-info")
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
+        tgen, TOPO, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
@@ -1175,14 +1174,15 @@ def test_reachable_static_RP_after_join_p0(request):
     step("r1 : Verify ip mroutes")
     result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
-    logger.info("Expected behavior: {}".format(result))
+    logger.info("Expected behavior: %s", result)
 
     step("r1 : Verify pim interface traffic")
     state_after = verify_pim_interface_traffic(tgen, state_dict)
     assert isinstance(
         state_after, dict
-    ), "Testcase{} : Failed \n state_before is not dictionary \n "
-    "Error: {}".format(tc_name, result)
+    ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(
+        tc_name, result
+    )
 
     result = verify_state_incremented(state_before, state_after)
     assert result is True, "Testcase{} : Failed Error: {}".format(tc_name, result)
@@ -1235,7 +1235,7 @@ def test_send_join_on_higher_preffered_rp_p1(request):
     reset_config_on_routers(tgen)
     kill_iperf(tgen)
     clear_ip_mroute(tgen)
-    clear_ip_pim_interface_traffic(tgen, topo)
+    clear_ip_pim_interface_traffic(tgen, TOPO)
 
     step("pre-configuration to send IGMP join and multicast traffic")
     result = config_to_send_igmp_join_and_traffic(tgen, tc_name)
@@ -1272,8 +1272,9 @@ def test_send_join_on_higher_preffered_rp_p1(request):
     state_before = verify_pim_interface_traffic(tgen, state_dict)
     assert isinstance(
         state_before, dict
-    ), "Testcase{} : Failed \n state_before is not dictionary \n "
-    "Error: {}".format(tc_name, result)
+    ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(
+        tc_name, result
+    )
 
     step("r0 : Send IGMP join for 225.1.1.1")
     result = iperfSendIGMPJoin(tgen, "r0", GROUP_ADDRESS, join_interval=1)
@@ -1299,21 +1300,21 @@ def test_send_join_on_higher_preffered_rp_p1(request):
         }
     }
 
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1 : Verify RP info for group 224.0.0.0/4")
     rp_address_1 = "1.0.2.17"
     iif = "r1-r2-eth1"
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_ALL, iif, rp_address_1, SOURCE
+        tgen, TOPO, dut, GROUP_RANGE_ALL, iif, rp_address_1, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1 : Verify RP info for group 225.1.1.1")
     rp_address_2 = "1.0.4.17"
     iif = "r1-r4-eth3"
-    result = verify_pim_rp_info(tgen, topo, dut, GROUP_RANGE, iif, rp_address_2, SOURCE)
+    result = verify_pim_rp_info(tgen, TOPO, dut, GROUP_RANGE, iif, rp_address_2, SOURCE)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1 : Verify join is sent to higher preferred RP")
@@ -1321,8 +1322,9 @@ def test_send_join_on_higher_preffered_rp_p1(request):
     state_after = verify_pim_interface_traffic(tgen, state_dict)
     assert isinstance(
         state_after, dict
-    ), "Testcase{} : Failed \n state_before is not dictionary \n "
-    "Error: {}".format(tc_name, result)
+    ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(
+        tc_name, result
+    )
 
     result = verify_state_incremented(state_before, state_after)
     assert result is True, "Testcase{} : Failed Error: {}".format(tc_name, result)
@@ -1344,7 +1346,7 @@ def test_send_join_on_higher_preffered_rp_p1(request):
     result = verify_join_state_and_timer(tgen, dut, iif, STAR, GROUP_ADDRESS)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
-    clear_ip_pim_interface_traffic(tgen, topo)
+    clear_ip_pim_interface_traffic(tgen, TOPO)
 
     step("r1 : Verify joinTx, pruneTx count before RP gets deleted")
     state_dict = {"r1": {"r1-r2-eth1": ["joinTx"], "r1-r4-eth3": ["pruneTx"]}}
@@ -1352,8 +1354,9 @@ def test_send_join_on_higher_preffered_rp_p1(request):
     state_before = verify_pim_interface_traffic(tgen, state_dict)
     assert isinstance(
         state_before, dict
-    ), "Testcase{} : Failed \n state_before is not dictionary \n "
-    "Error: {}".format(tc_name, result)
+    ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(
+        tc_name, result
+    )
 
     step("r1 : Delete RP configuration for 225.1.1.1")
     input_dict = {
@@ -1370,21 +1373,19 @@ def test_send_join_on_higher_preffered_rp_p1(request):
         }
     }
 
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1 : Verify rp-info for group 224.0.0.0/4")
     iif = "r1-r2-eth1"
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_ALL, iif, rp_address_1, SOURCE
+        tgen, TOPO, dut, GROUP_RANGE_ALL, iif, rp_address_1, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1 : Verify rp-info for group 225.1.1.1")
     iif = "r1-r4-eth3"
-    result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE, oif, rp_address_2, SOURCE, expected=False
-    )
+    result = verify_pim_rp_info(tgen, TOPO, dut, GROUP_RANGE, oif, rp_address_2, SOURCE)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r1: rp-info is present for group 225.1.1.1 \n Error: {}".format(
@@ -1399,7 +1400,7 @@ def test_send_join_on_higher_preffered_rp_p1(request):
     iif = "r1-r2-eth1"
     result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
-    logger.info("Expected behavior: {}".format(result))
+    logger.info("Expected behavior: %s", result)
 
     step(
         "r1 : Verify IIF and OIL in show ip pim state updated when higher"
@@ -1433,8 +1434,9 @@ def test_send_join_on_higher_preffered_rp_p1(request):
     state_after = verify_pim_interface_traffic(tgen, state_dict)
     assert isinstance(
         state_after, dict
-    ), "Testcase{} : Failed \n state_before is not dictionary \n "
-    "Error: {}".format(tc_name, result)
+    ), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(
+        tc_name, result
+    )
 
     result = verify_state_incremented(state_before, state_after)
     assert result is True, "Testcase{} : Failed Error: {}".format(tc_name, result)
@@ -1472,7 +1474,7 @@ def test_RP_configured_as_LHR_1_p1(request):
     reset_config_on_routers(tgen)
     kill_iperf(tgen)
     clear_ip_mroute(tgen)
-    clear_ip_pim_interface_traffic(tgen, topo)
+    clear_ip_pim_interface_traffic(tgen, TOPO)
 
     step("pre-configuration to send IGMP join and multicast traffic")
     result = config_to_send_igmp_join_and_traffic(tgen, tc_name)
@@ -1532,7 +1534,7 @@ def test_RP_configured_as_LHR_1_p1(request):
         },
     }
 
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Configure r1(LHR) as RP")
@@ -1579,7 +1581,7 @@ def test_RP_configured_as_LHR_1_p1(request):
         },
     }
 
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     shutdown_bringup_interface(tgen, "r1", "lo", False)
@@ -1592,7 +1594,7 @@ def test_RP_configured_as_LHR_1_p1(request):
     rp_address = "1.0.1.17"
     iif = "lo"
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
+        tgen, TOPO, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
@@ -1641,9 +1643,7 @@ def test_RP_configured_as_LHR_1_p1(request):
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r3: Verify (S, G) upstream join state and join timer")
-    result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS, expected=False
-    )
+    result = verify_join_state_and_timer(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r3: (S, G) upstream join state is joined and join"
@@ -1688,7 +1688,7 @@ def test_RP_configured_as_LHR_2_p1(request):
     reset_config_on_routers(tgen)
     kill_iperf(tgen)
     clear_ip_mroute(tgen)
-    clear_ip_pim_interface_traffic(tgen, topo)
+    clear_ip_pim_interface_traffic(tgen, TOPO)
 
     step("pre-configuration to send IGMP join and multicast traffic")
     result = config_to_send_igmp_join_and_traffic(tgen, tc_name)
@@ -1748,7 +1748,7 @@ def test_RP_configured_as_LHR_2_p1(request):
         },
     }
 
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1, r2, r3, r4: Configure r1(LHR) as RP")
@@ -1795,14 +1795,14 @@ def test_RP_configured_as_LHR_2_p1(request):
         },
     }
 
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify RP info")
     dut = "r1"
     rp_address = "1.0.1.17"
     iif = "lo"
-    result = verify_pim_rp_info(tgen, topo, dut, GROUP_ADDRESS, iif, rp_address, SOURCE)
+    result = verify_pim_rp_info(tgen, TOPO, dut, GROUP_ADDRESS, iif, rp_address, SOURCE)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r5: Send multicast traffic for group 225.1.1.1")
@@ -1850,9 +1850,7 @@ def test_RP_configured_as_LHR_2_p1(request):
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r3: Verify (S, G) upstream join state and join timer")
-    result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS, expected=False
-    )
+    result = verify_join_state_and_timer(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r3: (S,G) upstream state is joined and join timer is running\n Error: {}".format(
@@ -1898,7 +1896,7 @@ def test_RP_configured_as_FHR_1_p1(request):
     reset_config_on_routers(tgen)
     kill_iperf(tgen)
     clear_ip_mroute(tgen)
-    clear_ip_pim_interface_traffic(tgen, topo)
+    clear_ip_pim_interface_traffic(tgen, TOPO)
 
     step("pre-configuration to send IGMP join and multicast traffic")
     result = config_to_send_igmp_join_and_traffic(tgen, tc_name)
@@ -1957,7 +1955,7 @@ def test_RP_configured_as_FHR_1_p1(request):
             }
         },
     }
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1, r2, r3, r4: Configure r3(FHR) as RP")
@@ -2004,7 +2002,7 @@ def test_RP_configured_as_FHR_1_p1(request):
         },
     }
 
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify RP info")
@@ -2012,7 +2010,7 @@ def test_RP_configured_as_FHR_1_p1(request):
     rp_address = "1.0.3.17"
     iif = "r1-r3-eth2"
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
+        tgen, TOPO, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
@@ -2060,9 +2058,7 @@ def test_RP_configured_as_FHR_1_p1(request):
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r3: Verify (S, G) upstream join state and join timer")
-    result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS, expected=False
-    )
+    result = verify_join_state_and_timer(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r3: (S,G) upstream state is joined and join timer is running\n Error: {}".format(
@@ -2107,7 +2103,7 @@ def test_RP_configured_as_FHR_2_p2(request):
     reset_config_on_routers(tgen)
     kill_iperf(tgen)
     clear_ip_mroute(tgen)
-    clear_ip_pim_interface_traffic(tgen, topo)
+    clear_ip_pim_interface_traffic(tgen, TOPO)
 
     step("pre-configuration to send IGMP join and multicast traffic")
     result = config_to_send_igmp_join_and_traffic(tgen, tc_name)
@@ -2167,7 +2163,7 @@ def test_RP_configured_as_FHR_2_p2(request):
         },
     }
 
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1, r2, r3, r4: Configure r3(FHR) as RP")
@@ -2214,7 +2210,7 @@ def test_RP_configured_as_FHR_2_p2(request):
         },
     }
 
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify RP info")
@@ -2222,7 +2218,7 @@ def test_RP_configured_as_FHR_2_p2(request):
     rp_address = "1.0.3.17"
     iif = "r1-r3-eth2"
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
+        tgen, TOPO, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
@@ -2271,9 +2267,7 @@ def test_RP_configured_as_FHR_2_p2(request):
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r3: Verify (S, G) upstream join state and join timer")
-    result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS, expected=False
-    )
+    result = verify_join_state_and_timer(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r3: (S,G) upstream state is joined and join timer is running\n Error: {}".format(
@@ -2320,7 +2314,7 @@ def test_SPT_RPT_path_different_p1(request):
     reset_config_on_routers(tgen)
     kill_iperf(tgen)
     clear_ip_mroute(tgen)
-    clear_ip_pim_interface_traffic(tgen, topo)
+    clear_ip_pim_interface_traffic(tgen, TOPO)
 
     step("pre-configuration to send IGMP join and multicast traffic")
     result = config_to_send_igmp_join_and_traffic(tgen, tc_name)
@@ -2335,7 +2329,7 @@ def test_SPT_RPT_path_different_p1(request):
     dut = "r2"
     rp_address = "1.0.2.17"
     iif = "lo"
-    result = verify_pim_rp_info(tgen, topo, dut, GROUP_ADDRESS, iif, rp_address, SOURCE)
+    result = verify_pim_rp_info(tgen, TOPO, dut, GROUP_ADDRESS, iif, rp_address, SOURCE)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r0: Send IGMP join")
@@ -2400,9 +2394,7 @@ def test_SPT_RPT_path_different_p1(request):
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r3: Verify (S, G) upstream join state and join timer")
-    result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS, expected=False
-    )
+    result = verify_join_state_and_timer(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r3: (S,G) upstream state is joined and join timer is running\n Error: {}".format(
@@ -2424,9 +2416,7 @@ def test_SPT_RPT_path_different_p1(request):
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r2: Verify (S, G) upstream join state and join timer")
-    result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS, expected=False
-    )
+    result = verify_join_state_and_timer(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r2: (S,G) upstream state is joined and join timer is running\n Error: {}".format(
@@ -2475,7 +2465,7 @@ def test_clear_pim_configuration_p1(request):
     reset_config_on_routers(tgen)
     kill_iperf(tgen)
     clear_ip_mroute(tgen)
-    clear_ip_pim_interface_traffic(tgen, topo)
+    clear_ip_pim_interface_traffic(tgen, TOPO)
 
     step("pre-configuration to send IGMP join and multicast traffic")
     result = config_to_send_igmp_join_and_traffic(tgen, tc_name)
@@ -2492,7 +2482,7 @@ def test_clear_pim_configuration_p1(request):
     rp_address = "1.0.2.17"
     oif = "lo"
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_ALL, oif, rp_address, SOURCE
+        tgen, TOPO, dut, GROUP_RANGE_ALL, oif, rp_address, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
@@ -2572,7 +2562,7 @@ def test_restart_pimd_process_p2(request):
     reset_config_on_routers(tgen)
     kill_iperf(tgen)
     clear_ip_mroute(tgen)
-    clear_ip_pim_interface_traffic(tgen, topo)
+    clear_ip_pim_interface_traffic(tgen, TOPO)
 
     step("pre-configuration to send IGMP join and multicast traffic")
     result = config_to_send_igmp_join_and_traffic(tgen, tc_name)
@@ -2589,7 +2579,7 @@ def test_restart_pimd_process_p2(request):
     rp_address = "1.0.2.17"
     oif = "lo"
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_ALL, oif, rp_address, SOURCE
+        tgen, TOPO, dut, GROUP_RANGE_ALL, oif, rp_address, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
@@ -2655,9 +2645,7 @@ def test_restart_pimd_process_p2(request):
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r3: Verify (S, G) upstream join state and join timer")
-    result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS, expected=False
-    )
+    result = verify_join_state_and_timer(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r3: (S,G) upstream state is joined and join timer is running\n Error: {}".format(
@@ -2676,7 +2664,7 @@ def test_restart_pimd_process_p2(request):
     logger.info("waiting for 10 sec to make sure old mroute time is higher")
     sleep(10)
     uptime_before = verify_ip_mroutes(
-        tgen, dut, STAR, GROUP_ADDRESS, iif, oil, return_uptime=True, wait=60
+        tgen, dut, STAR, GROUP_ADDRESS, iif, oil, return_uptime=True, mwait=60
     )
     assert isinstance(uptime_before, dict), "Testcase{} : Failed Error: {}".format(
         tc_name, result
@@ -2692,7 +2680,7 @@ def test_restart_pimd_process_p2(request):
     sleep(5)
 
     uptime_after = verify_ip_mroutes(
-        tgen, dut, STAR, GROUP_ADDRESS, iif, oil, return_uptime=True, wait=10
+        tgen, dut, STAR, GROUP_ADDRESS, iif, oil, return_uptime=True, mwait=10
     )
     assert isinstance(uptime_after, dict), "Testcase{} : Failed Error: {}".format(
         tc_name, result
@@ -2731,7 +2719,7 @@ def test_multiple_groups_same_RP_address_p2(request):
     reset_config_on_routers(tgen)
     kill_iperf(tgen)
     clear_ip_mroute(tgen)
-    clear_ip_pim_interface_traffic(tgen, topo)
+    clear_ip_pim_interface_traffic(tgen, TOPO)
 
     step("pre-configuration to send IGMP join and multicast traffic")
     result = config_to_send_igmp_join_and_traffic(tgen, tc_name)
@@ -2754,79 +2742,79 @@ def test_multiple_groups_same_RP_address_p2(request):
     rp_address = "1.0.2.17"
     oif = "lo"
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_ALL, oif, rp_address, SOURCE
+        tgen, TOPO, dut, GROUP_RANGE_ALL, oif, rp_address, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
-    GROUP_ADDRESS_LIST = GROUP_ADDRESS_LIST_1 + GROUP_ADDRESS_LIST_2
+    group_address_list = GROUP_ADDRESS_LIST_1 + GROUP_ADDRESS_LIST_2
     step("r0: Send IGMP join for 10 groups")
-    result = iperfSendIGMPJoin(tgen, "r0", GROUP_ADDRESS_LIST, join_interval=1)
+    result = iperfSendIGMPJoin(tgen, "r0", group_address_list, join_interval=1)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify IGMP groups")
     dut = "r1"
     oif = "r1-r0-eth0"
-    result = verify_igmp_groups(tgen, dut, oif, GROUP_ADDRESS_LIST)
+    result = verify_igmp_groups(tgen, dut, oif, group_address_list)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r5: Send multicast traffic for group 225.1.1.1")
-    result = iperfSendTraffic(tgen, "r5", GROUP_ADDRESS_LIST, 32, 2500)
+    result = iperfSendTraffic(tgen, "r5", group_address_list, 32, 2500)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify (*, G) upstream IIF interface")
     dut = "r1"
     iif = "r1-r2-eth1"
-    result = verify_upstream_iif(tgen, dut, iif, STAR, GROUP_ADDRESS_LIST)
+    result = verify_upstream_iif(tgen, dut, iif, STAR, group_address_list)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify (*, G) upstream join state and join timer")
-    result = verify_join_state_and_timer(tgen, dut, iif, STAR, GROUP_ADDRESS_LIST)
+    result = verify_join_state_and_timer(tgen, dut, iif, STAR, group_address_list)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify (*, G) ip mroutes")
     oif = "r1-r0-eth0"
-    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS_LIST, iif, oif)
+    result = verify_ip_mroutes(tgen, dut, STAR, group_address_list, iif, oif)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify (S, G) upstream IIF interface")
     iif = "r1-r3-eth2"
-    result = verify_upstream_iif(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST)
+    result = verify_upstream_iif(tgen, dut, iif, SOURCE_ADDRESS, group_address_list)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify (S, G) upstream join state and join timer")
     result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST
+        tgen, dut, iif, SOURCE_ADDRESS, group_address_list
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify (S, G) ip mroutes")
-    result = verify_ip_mroutes(tgen, dut, SOURCE_ADDRESS, GROUP_ADDRESS_LIST, iif, oif)
+    result = verify_ip_mroutes(tgen, dut, SOURCE_ADDRESS, group_address_list, iif, oif)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r2: Verify (*, G) upstream IIF interface")
     dut = "r2"
     iif = "lo"
-    result = verify_upstream_iif(tgen, dut, iif, STAR, GROUP_ADDRESS_LIST)
+    result = verify_upstream_iif(tgen, dut, iif, STAR, group_address_list)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r2: Verify (*, G) upstream join state and join timer")
-    result = verify_join_state_and_timer(tgen, dut, iif, STAR, GROUP_ADDRESS_LIST)
+    result = verify_join_state_and_timer(tgen, dut, iif, STAR, group_address_list)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r2: Verify (*, G) ip mroutes")
     oif = "r2-r1-eth0"
-    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS_LIST, iif, oif)
+    result = verify_ip_mroutes(tgen, dut, STAR, group_address_list, iif, oif)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r3: Verify (S, G) upstream IIF interface")
     dut = "r3"
     iif = "r3-r5-eth3"
-    result = verify_upstream_iif(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST)
+    result = verify_upstream_iif(tgen, dut, iif, SOURCE_ADDRESS, group_address_list)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r3: Verify (S, G) upstream join state and join timer")
     result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST, expected=False
+        tgen, dut, iif, SOURCE_ADDRESS, group_address_list
     )
     assert result is not True, (
         "Testcase {} : Failed \n "
@@ -2837,20 +2825,20 @@ def test_multiple_groups_same_RP_address_p2(request):
 
     step("r3: Verify (S, G) ip mroutes")
     oif = "r3-r1-eth0"
-    result = verify_ip_mroutes(tgen, dut, SOURCE_ADDRESS, GROUP_ADDRESS_LIST, iif, oif)
+    result = verify_ip_mroutes(tgen, dut, SOURCE_ADDRESS, group_address_list, iif, oif)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r2: Verify (S, G) upstream IIF interface")
     dut = "r2"
     iif = "r2-r3-eth1"
     result = verify_upstream_iif(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST, joinState="NotJoined"
+        tgen, dut, iif, SOURCE_ADDRESS, group_address_list, joinState="NotJoined"
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r2: Verify (S, G) upstream join state and join timer")
     result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST, expected=False
+        tgen, dut, iif, SOURCE_ADDRESS, group_address_list
     )
     assert result is not True, (
         "Testcase {} : Failed \n "
@@ -2861,7 +2849,7 @@ def test_multiple_groups_same_RP_address_p2(request):
 
     step("r2: Verify (S, G) ip mroutes")
     oif = "none"
-    result = verify_ip_mroutes(tgen, dut, SOURCE_ADDRESS, GROUP_ADDRESS_LIST, iif, oif)
+    result = verify_ip_mroutes(tgen, dut, SOURCE_ADDRESS, group_address_list, iif, oif)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Delete RP configuration")
@@ -2879,7 +2867,7 @@ def test_multiple_groups_same_RP_address_p2(request):
         }
     }
 
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Shut the interface r1-r2-eth1 from R1 to R2")
@@ -2905,7 +2893,7 @@ def test_multiple_groups_same_RP_address_p2(request):
         }
     }
 
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Shut the interface r1-r0-eth0 from R1 to R2")
@@ -2919,59 +2907,59 @@ def test_multiple_groups_same_RP_address_p2(request):
     step("r1: Verify (*, G) upstream IIF interface")
     dut = "r1"
     iif = "r1-r2-eth1"
-    result = verify_upstream_iif(tgen, dut, iif, STAR, GROUP_ADDRESS_LIST)
+    result = verify_upstream_iif(tgen, dut, iif, STAR, group_address_list)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify (*, G) upstream join state and join timer")
-    result = verify_join_state_and_timer(tgen, dut, iif, STAR, GROUP_ADDRESS_LIST)
+    result = verify_join_state_and_timer(tgen, dut, iif, STAR, group_address_list)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify (*, G) ip mroutes")
     oif = "r1-r0-eth0"
-    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS_LIST, iif, oif)
+    result = verify_ip_mroutes(tgen, dut, STAR, group_address_list, iif, oif)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify (S, G) upstream IIF interface")
     iif = "r1-r3-eth2"
-    result = verify_upstream_iif(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST)
+    result = verify_upstream_iif(tgen, dut, iif, SOURCE_ADDRESS, group_address_list)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify (S, G) upstream join state and join timer")
     result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST
+        tgen, dut, iif, SOURCE_ADDRESS, group_address_list
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify (S, G) ip mroutes")
-    result = verify_ip_mroutes(tgen, dut, SOURCE_ADDRESS, GROUP_ADDRESS_LIST, iif, oif)
+    result = verify_ip_mroutes(tgen, dut, SOURCE_ADDRESS, group_address_list, iif, oif)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r2: Verify (*, G) upstream IIF interface")
     dut = "r2"
     iif = "lo"
-    result = verify_upstream_iif(tgen, dut, iif, STAR, GROUP_ADDRESS_LIST)
+    result = verify_upstream_iif(tgen, dut, iif, STAR, group_address_list)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r2: Verify (*, G) upstream join state and join timer")
-    result = verify_join_state_and_timer(tgen, dut, iif, STAR, GROUP_ADDRESS_LIST)
+    result = verify_join_state_and_timer(tgen, dut, iif, STAR, group_address_list)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r2: Verify (*, G) ip mroutes")
     oif = "r2-r1-eth0"
-    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS_LIST, iif, oif)
+    result = verify_ip_mroutes(tgen, dut, STAR, group_address_list, iif, oif)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r2: Verify (S, G) upstream IIF interface")
     dut = "r2"
     iif = "r2-r3-eth1"
     result = verify_upstream_iif(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST, joinState="NotJoined"
+        tgen, dut, iif, SOURCE_ADDRESS, group_address_list, joinState="NotJoined"
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r2: Verify (S, G) upstream join state and join timer")
     result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST, expected=False
+        tgen, dut, iif, SOURCE_ADDRESS, group_address_list
     )
     assert result is not True, (
         "Testcase {} : Failed \n "
@@ -2982,18 +2970,18 @@ def test_multiple_groups_same_RP_address_p2(request):
 
     step("r2: Verify (S, G) ip mroutes")
     oif = "none"
-    result = verify_ip_mroutes(tgen, dut, SOURCE_ADDRESS, GROUP_ADDRESS_LIST, iif, oif)
+    result = verify_ip_mroutes(tgen, dut, SOURCE_ADDRESS, group_address_list, iif, oif)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r3: Verify (S, G) upstream IIF interface")
     dut = "r3"
     iif = "r3-r5-eth3"
-    result = verify_upstream_iif(tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST)
+    result = verify_upstream_iif(tgen, dut, iif, SOURCE_ADDRESS, group_address_list)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r3: Verify (S, G) upstream join state and join timer")
     result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST, expected=False
+        tgen, dut, iif, SOURCE_ADDRESS, group_address_list
     )
     assert result is not True, (
         "Testcase {} : Failed \n "
@@ -3004,7 +2992,7 @@ def test_multiple_groups_same_RP_address_p2(request):
 
     step("r3: Verify (S, G) ip mroutes")
     oif = "r3-r1-eth0"
-    result = verify_ip_mroutes(tgen, dut, SOURCE_ADDRESS, GROUP_ADDRESS_LIST, iif, oif)
+    result = verify_ip_mroutes(tgen, dut, SOURCE_ADDRESS, group_address_list, iif, oif)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     write_test_footer(tc_name)
@@ -3040,7 +3028,7 @@ def test_multiple_groups_different_RP_address_p2(request):
     reset_config_on_routers(tgen)
     kill_iperf(tgen)
     clear_ip_mroute(tgen)
-    clear_ip_pim_interface_traffic(tgen, topo)
+    clear_ip_pim_interface_traffic(tgen, TOPO)
 
     step("pre-configuration to send IGMP join and multicast traffic")
     result = config_to_send_igmp_join_and_traffic(tgen, tc_name)
@@ -3060,7 +3048,7 @@ def test_multiple_groups_different_RP_address_p2(request):
             }
         }
     }
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     input_dict = {
@@ -3085,7 +3073,7 @@ def test_multiple_groups_different_RP_address_p2(request):
             }
         },
     }
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r2: Verify RP info")
@@ -3093,7 +3081,7 @@ def test_multiple_groups_different_RP_address_p2(request):
     rp_address = "1.0.2.17"
     oif = "lo"
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_LIST_1, oif, rp_address, SOURCE
+        tgen, TOPO, dut, GROUP_RANGE_LIST_1, oif, rp_address, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
@@ -3101,23 +3089,23 @@ def test_multiple_groups_different_RP_address_p2(request):
     dut = "r4"
     rp_address = "1.0.4.17"
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_LIST_2, oif, rp_address, SOURCE
+        tgen, TOPO, dut, GROUP_RANGE_LIST_2, oif, rp_address, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
-    GROUP_ADDRESS_LIST = GROUP_ADDRESS_LIST_1 + GROUP_ADDRESS_LIST_2
+    group_address_list = GROUP_ADDRESS_LIST_1 + GROUP_ADDRESS_LIST_2
     step("r0: Send IGMP join")
-    result = iperfSendIGMPJoin(tgen, "r0", GROUP_ADDRESS_LIST, join_interval=1)
+    result = iperfSendIGMPJoin(tgen, "r0", group_address_list, join_interval=1)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify IGMP groups")
     dut = "r1"
     oif = "r1-r0-eth0"
-    result = verify_igmp_groups(tgen, dut, oif, GROUP_ADDRESS_LIST)
+    result = verify_igmp_groups(tgen, dut, oif, group_address_list)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r5: Send multicast traffic for group 225.1.1.1")
-    result = iperfSendTraffic(tgen, "r5", GROUP_ADDRESS_LIST, 32, 2500)
+    result = iperfSendTraffic(tgen, "r5", group_address_list, 32, 2500)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Verify (*, G) upstream IIF interface")
@@ -3175,7 +3163,7 @@ def test_multiple_groups_different_RP_address_p2(request):
 
     step("r2: Verify (S, G) upstream join state and join timer")
     result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST_1, expected=False
+        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST_1
     )
     assert result is not True, (
         "Testcase {} : Failed \n "
@@ -3199,7 +3187,7 @@ def test_multiple_groups_different_RP_address_p2(request):
 
     step("r3: Verify (S, G) upstream join state and join timer")
     result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST_1, expected=False
+        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST_1
     )
     assert result is not True, (
         "Testcase {} : Failed \n "
@@ -3271,7 +3259,7 @@ def test_multiple_groups_different_RP_address_p2(request):
 
     step("r4: Verify (S, G) upstream join state and join timer")
     result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST_2, expected=False
+        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST_2
     )
     assert result is not True, (
         "Testcase {} : Failed \n "
@@ -3295,7 +3283,7 @@ def test_multiple_groups_different_RP_address_p2(request):
 
     step("r3: Verify (S, G) upstream join state and join timer")
     result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST_2, expected=False
+        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST_2
     )
     assert result is not True, "Testcase {} :Failed \n Error: {}".format(
         tc_name, result
@@ -3333,7 +3321,7 @@ def test_multiple_groups_different_RP_address_p2(request):
             }
         },
     }
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1, r2, r3, r4: Re-configure RP")
@@ -3359,7 +3347,7 @@ def test_multiple_groups_different_RP_address_p2(request):
             }
         },
     }
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Shut the interface r1-r2-eth1 from R1 to R2")
@@ -3448,7 +3436,7 @@ def test_multiple_groups_different_RP_address_p2(request):
 
     step("r2: Verify (S, G) upstream join state and join timer")
     result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST_1, expected=False
+        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST_1
     )
     assert result is not True, (
         "Testcase {} : Failed \n "
@@ -3472,7 +3460,7 @@ def test_multiple_groups_different_RP_address_p2(request):
 
     step("r3: Verify (S, G) upstream join state and join timer")
     result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST_1, expected=False
+        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST_1
     )
     assert result is not True, (
         "Testcase {} : Failed \n "
@@ -3544,7 +3532,7 @@ def test_multiple_groups_different_RP_address_p2(request):
 
     step("r4: Verify (S, G) upstream join state and join timer")
     result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST_2, expected=False
+        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST_2
     )
     assert result is not True, (
         "Testcase {} : Failed \n "
@@ -3568,7 +3556,7 @@ def test_multiple_groups_different_RP_address_p2(request):
 
     step("r3: Verify (S, G) upstream join state and join timer")
     result = verify_join_state_and_timer(
-        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST_2, expected=False
+        tgen, dut, iif, SOURCE_ADDRESS, GROUP_ADDRESS_LIST_2
     )
     assert result is not True, (
         "Testcase {} : Failed \n "
@@ -3611,7 +3599,7 @@ def test_shutdown_primary_path_p1(request):
     reset_config_on_routers(tgen)
     kill_iperf(tgen)
     clear_ip_mroute(tgen)
-    clear_ip_pim_interface_traffic(tgen, topo)
+    clear_ip_pim_interface_traffic(tgen, TOPO)
 
     step("pre-configuration to send IGMP join and multicast traffic")
     result = config_to_send_igmp_join_and_traffic(tgen, tc_name)
@@ -3630,7 +3618,7 @@ def test_shutdown_primary_path_p1(request):
     rp_address = "1.0.2.17"
     iif = "r1-r2-eth1"
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
+        tgen, TOPO, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
@@ -3701,7 +3689,7 @@ def test_shutdown_primary_path_p1(request):
     dut = "r1"
     iif = "r1-r3-eth2"
     oif = "r1-r0-eth0"
-    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif, expected=False)
+    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r1: (*,G) mroutes are not cleared after shut of R1 to R3 link\n Error: {}".format(
@@ -3713,7 +3701,7 @@ def test_shutdown_primary_path_p1(request):
     dut = "r2"
     iif = "lo"
     oif = "r2-r3-eth1"
-    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif, expected=False)
+    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r2: (*,G) mroutes are not cleared after shut of R1 to R3 link\n Error: {}".format(
@@ -3725,7 +3713,7 @@ def test_shutdown_primary_path_p1(request):
     dut = "r3"
     iif = "r3-r2-eth1"
     oif = "r3-r1-eth0"
-    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif, expected=False)
+    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r3: (*,G) mroutes are not cleared after shut of R1 to R3 link\n Error: {}".format(
@@ -3804,7 +3792,7 @@ def test_delete_RP_shut_noshut_upstream_interface_p1(request):
     reset_config_on_routers(tgen)
     kill_iperf(tgen)
     clear_ip_mroute(tgen)
-    clear_ip_pim_interface_traffic(tgen, topo)
+    clear_ip_pim_interface_traffic(tgen, TOPO)
 
     step("pre-configuration to send IGMP join and multicast traffic")
     result = config_to_send_igmp_join_and_traffic(tgen, tc_name)
@@ -3821,7 +3809,7 @@ def test_delete_RP_shut_noshut_upstream_interface_p1(request):
     rp_address = "1.0.2.17"
     iif = "r1-r2-eth1"
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
+        tgen, TOPO, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
@@ -3863,7 +3851,7 @@ def test_delete_RP_shut_noshut_upstream_interface_p1(request):
         }
     }
 
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r1: Shut the interface r1-r2-eth1 from R1 to R2")
@@ -3890,7 +3878,7 @@ def test_delete_RP_shut_noshut_upstream_interface_p1(request):
     dut = "r1"
     iif = "r1-r2-eth1"
     oif = "r1-r0-eth0"
-    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif, expected=False)
+    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r1: (*,G) mroutes are not cleared after shut of R1 to R0 link\n Error: {}".format(
@@ -3902,7 +3890,7 @@ def test_delete_RP_shut_noshut_upstream_interface_p1(request):
     dut = "r2"
     iif = "lo"
     oif = "r2-r1-eth0"
-    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif, expected=False)
+    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r2: (*,G) mroutes are not cleared after shut of R1 to R0 link\n Error: {}".format(
@@ -3937,7 +3925,7 @@ def test_delete_RP_shut_noshut_RP_interface_p1(request):
     reset_config_on_routers(tgen)
     kill_iperf(tgen)
     clear_ip_mroute(tgen)
-    clear_ip_pim_interface_traffic(tgen, topo)
+    clear_ip_pim_interface_traffic(tgen, TOPO)
 
     step("pre-configuration to send IGMP join and multicast traffic")
     result = config_to_send_igmp_join_and_traffic(tgen, tc_name)
@@ -3954,7 +3942,7 @@ def test_delete_RP_shut_noshut_RP_interface_p1(request):
     rp_address = "1.0.2.17"
     iif = "r1-r2-eth1"
     result = verify_pim_rp_info(
-        tgen, topo, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
+        tgen, TOPO, dut, GROUP_RANGE_ALL, iif, rp_address, SOURCE
     )
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
@@ -3995,7 +3983,7 @@ def test_delete_RP_shut_noshut_RP_interface_p1(request):
         }
     }
 
-    result = create_pim_config(tgen, topo, input_dict)
+    result = create_pim_config(tgen, TOPO, input_dict)
     assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
 
     step("r2: Shut the RP interface lo")
@@ -4017,7 +4005,7 @@ def test_delete_RP_shut_noshut_RP_interface_p1(request):
     dut = "r1"
     iif = "r1-r2-eth1"
     oif = "r1-r0-eth0"
-    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif, expected=False)
+    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r1: (*,G) mroutes are not cleared after shut of R1 to R2 and R3 link\n Error: {}".format(
@@ -4029,7 +4017,7 @@ def test_delete_RP_shut_noshut_RP_interface_p1(request):
     dut = "r2"
     iif = "lo"
     oif = "r2-r1-eth0"
-    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif, expected=False)
+    result = verify_ip_mroutes(tgen, dut, STAR, GROUP_ADDRESS, iif, oif)
     assert result is not True, (
         "Testcase {} : Failed \n "
         "r2: (*,G) mroutes are not cleared after shut of R1 to R2 and R3 link\n Error: {}".format(
@@ -4041,5 +4029,5 @@ def test_delete_RP_shut_noshut_RP_interface_p1(request):
 
 
 if __name__ == "__main__":
-    args = ["-s"] + sys.argv[1:]
-    sys.exit(pytest.main(args))
+    ARGS = ["-s"] + sys.argv[1:]
+    sys.exit(pytest.main(ARGS))
diff --git a/tests/topotests/nhrp-topo/r1/nhrp4_cache.json b/tests/topotests/nhrp_topo/r1/nhrp4_cache.json
index 6426a939be..6426a939be 100644
--- a/tests/topotests/nhrp-topo/r1/nhrp4_cache.json
+++ b/tests/topotests/nhrp_topo/r1/nhrp4_cache.json
diff --git a/tests/topotests/nhrp-topo/r1/nhrp_route4.json b/tests/topotests/nhrp_topo/r1/nhrp_route4.json
index 68b5a6ece2..68b5a6ece2 100644
--- a/tests/topotests/nhrp-topo/r1/nhrp_route4.json
+++ b/tests/topotests/nhrp_topo/r1/nhrp_route4.json
diff --git a/tests/topotests/nhrp-topo/r1/nhrpd.conf b/tests/topotests/nhrp_topo/r1/nhrpd.conf
index 04114bdbe6..04114bdbe6 100644
--- a/tests/topotests/nhrp-topo/r1/nhrpd.conf
+++ b/tests/topotests/nhrp_topo/r1/nhrpd.conf
diff --git a/tests/topotests/nhrp-topo/r1/zebra.conf b/tests/topotests/nhrp_topo/r1/zebra.conf
index b45670fcb2..b45670fcb2 100644
--- a/tests/topotests/nhrp-topo/r1/zebra.conf
+++ b/tests/topotests/nhrp_topo/r1/zebra.conf
diff --git a/tests/topotests/nhrp-topo/r2/nhrp4_cache.json b/tests/topotests/nhrp_topo/r2/nhrp4_cache.json
index 34558e0c28..34558e0c28 100644
--- a/tests/topotests/nhrp-topo/r2/nhrp4_cache.json
+++ b/tests/topotests/nhrp_topo/r2/nhrp4_cache.json
diff --git a/tests/topotests/nhrp-topo/r2/nhrp_route4.json b/tests/topotests/nhrp_topo/r2/nhrp_route4.json
index 7393cba893..7393cba893 100644
--- a/tests/topotests/nhrp-topo/r2/nhrp_route4.json
+++ b/tests/topotests/nhrp_topo/r2/nhrp_route4.json
diff --git a/tests/topotests/nhrp-topo/r2/nhrpd.conf b/tests/topotests/nhrp_topo/r2/nhrpd.conf
index e4f6fb7445..e4f6fb7445 100644
--- a/tests/topotests/nhrp-topo/r2/nhrpd.conf
+++ b/tests/topotests/nhrp_topo/r2/nhrpd.conf
diff --git a/tests/topotests/nhrp-topo/r2/zebra.conf b/tests/topotests/nhrp_topo/r2/zebra.conf
index 9f40d4d72e..9f40d4d72e 100644
--- a/tests/topotests/nhrp-topo/r2/zebra.conf
+++ b/tests/topotests/nhrp_topo/r2/zebra.conf
diff --git a/tests/topotests/nhrp-topo/r3/zebra.conf b/tests/topotests/nhrp_topo/r3/zebra.conf
index 6d3d267978..6d3d267978 100644
--- a/tests/topotests/nhrp-topo/r3/zebra.conf
+++ b/tests/topotests/nhrp_topo/r3/zebra.conf
diff --git a/tests/topotests/nhrp-topo/test_nhrp_topo.dot b/tests/topotests/nhrp_topo/test_nhrp_topo.dot
index 6b68fb398f..6b68fb398f 100644
--- a/tests/topotests/nhrp-topo/test_nhrp_topo.dot
+++ b/tests/topotests/nhrp_topo/test_nhrp_topo.dot
diff --git a/tests/topotests/nhrp-topo/test_nhrp_topo.py b/tests/topotests/nhrp_topo/test_nhrp_topo.py
index 1687961f34..1687961f34 100644
--- a/tests/topotests/nhrp-topo/test_nhrp_topo.py
+++ b/tests/topotests/nhrp_topo/test_nhrp_topo.py
diff --git a/tests/topotests/ospf-sr-te-topo1/dst/zebra.conf b/tests/topotests/ospf-sr-te-topo1/dst/zebra.conf
new file mode 100644
index 0000000000..4cb50fdb27
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/dst/zebra.conf
@@ -0,0 +1,23 @@
+log file zebra.log
+!
+hostname dst
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 9.9.9.2/32
+ ipv6 address 2001:db8:1066::2/128
+!
+interface eth-rt6
+ ip address 10.0.11.2/24
+ link-params
+  enable
+  exit-link-params
+!
+!
+ip forwarding
+!
+line vty
+!
diff --git a/tests/topotests/ospf-sr-te-topo1/rt1/bgpd.conf b/tests/topotests/ospf-sr-te-topo1/rt1/bgpd.conf
new file mode 100644
index 0000000000..efc03701b5
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt1/bgpd.conf
@@ -0,0 +1,16 @@
+log file bgpd.log
+!
+router bgp 1
+ bgp router-id 1.1.1.1
+ neighbor 6.6.6.6 remote-as 1
+ neighbor 6.6.6.6 update-source lo
+ !
+ address-family ipv4 unicast
+  redistribute static
+  neighbor 6.6.6.6 next-hop-self
+  neighbor 6.6.6.6 route-map SET_SR_POLICY in
+ exit-address-family
+!
+route-map SET_SR_POLICY permit 10
+ set sr-te color 1
+!
diff --git a/tests/topotests/ospf-sr-te-topo1/rt1/ospfd.conf b/tests/topotests/ospf-sr-te-topo1/rt1/ospfd.conf
new file mode 100644
index 0000000000..225ac93528
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt1/ospfd.conf
@@ -0,0 +1,36 @@
+password 1
+hostname rt1
+log file ospfd.log
+!
+debug ospf sr
+debug ospf te
+debug ospf event
+debug ospf lsa
+debug ospf zebra
+!
+interface lo
+ ip ospf area 0.0.0.0
+!
+interface eth-sw1
+  ip ospf network point-to-point
+  ip ospf hello-interval 2
+  ip ospf dead-interval 10
+  ip ospf area 0.0.0.0
+!
+router ospf
+ ospf router-id 1.1.1.1
+ network 1.1.1.1/32 area 0.0.0.0
+ network 10.0.0.0/16 area 0.0.0.0
+ capability opaque
+ !ospf opaque-lsa
+ mpls-te on
+ mpls-te export
+ mpls-te router-address 1.1.1.1
+ router-info area 0.0.0.0
+ passive-interface lo
+ segment-routing on
+ segment-routing global-block 16000 23999
+ !segment-routing local-block 15000 15999
+ segment-routing node-msd 8
+ segment-routing prefix 1.1.1.1/32 index 10
+!
diff --git a/tests/topotests/ospf-sr-te-topo1/rt1/pathd.conf b/tests/topotests/ospf-sr-te-topo1/rt1/pathd.conf
new file mode 100644
index 0000000000..55d5857f5d
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt1/pathd.conf
@@ -0,0 +1,27 @@
+log file pathd.log
+!
+hostname rt1
+!
+segment-routing
+ traffic-eng
+  mpls-te on
+   mpls-te import ospfv2
+  segment-list default
+   index 10  nai adjacency 10.0.1.1 10.0.1.2
+   index 20  nai adjacency 10.0.2.2 10.0.2.4
+   index 30  nai adjacency 10.0.7.4 10.0.7.6
+
+
+  !
+  segment-list test
+   index 10  nai adjacency 10.0.1.1 10.0.1.2
+   index 20  nai adjacency 10.0.2.2 10.0.2.4
+   index 30  nai adjacency 10.0.6.4 10.0.6.5
+   index 40  nai adjacency 10.0.8.5 10.0.8.6
+  !
+  policy color 1 endpoint 6.6.6.6
+   name default
+   binding-sid 1111
+  !
+ !
+!
diff --git a/tests/topotests/ospf-sr-te-topo1/rt1/step2/show_operational_data.ref b/tests/topotests/ospf-sr-te-topo1/rt1/step2/show_operational_data.ref
new file mode 100644
index 0000000000..4ef8d946f2
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt1/step2/show_operational_data.ref
@@ -0,0 +1,13 @@
+{
+  "frr-pathd:pathd": {
+    "srte": {
+      "policy": [
+        {
+          "color": 1,
+          "endpoint": "6.6.6.6",
+          "is-operational": false
+        }
+      ]
+    }
+  }
+}
diff --git a/tests/topotests/ospf-sr-te-topo1/rt1/step2/show_operational_data_with_candidate.ref b/tests/topotests/ospf-sr-te-topo1/rt1/step2/show_operational_data_with_candidate.ref
new file mode 100644
index 0000000000..9b28f6a42b
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt1/step2/show_operational_data_with_candidate.ref
@@ -0,0 +1,20 @@
+{
+  "frr-pathd:pathd": {
+    "srte": {
+      "policy": [
+        {
+          "color": 1,
+          "endpoint": "6.6.6.6",
+          "is-operational": true,
+          "candidate-path": [
+            {
+              "preference": 100,
+              "discriminator": "*",
+              "is-best-candidate-path": true
+            }
+          ]
+        }
+      ]
+    }
+  }
+}
diff --git a/tests/topotests/ospf-sr-te-topo1/rt1/step3/show_operational_data_with_single_candidate.ref b/tests/topotests/ospf-sr-te-topo1/rt1/step3/show_operational_data_with_single_candidate.ref
new file mode 100644
index 0000000000..9b28f6a42b
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt1/step3/show_operational_data_with_single_candidate.ref
@@ -0,0 +1,20 @@
+{
+  "frr-pathd:pathd": {
+    "srte": {
+      "policy": [
+        {
+          "color": 1,
+          "endpoint": "6.6.6.6",
+          "is-operational": true,
+          "candidate-path": [
+            {
+              "preference": 100,
+              "discriminator": "*",
+              "is-best-candidate-path": true
+            }
+          ]
+        }
+      ]
+    }
+  }
+}
diff --git a/tests/topotests/ospf-sr-te-topo1/rt1/step3/show_operational_data_with_two_candidates.ref b/tests/topotests/ospf-sr-te-topo1/rt1/step3/show_operational_data_with_two_candidates.ref
new file mode 100644
index 0000000000..249117198a
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt1/step3/show_operational_data_with_two_candidates.ref
@@ -0,0 +1,25 @@
+{
+  "frr-pathd:pathd": {
+    "srte": {
+      "policy": [
+        {
+          "color": 1,
+          "endpoint": "6.6.6.6",
+          "is-operational": true,
+          "candidate-path": [
+            {
+              "preference": 100,
+              "discriminator": "*",
+              "is-best-candidate-path": false
+            },
+            {
+              "preference": 200,
+              "discriminator": "*",
+              "is-best-candidate-path": true
+            }
+          ]
+        }
+      ]
+    }
+  }
+}
diff --git a/tests/topotests/ospf-sr-te-topo1/rt1/zebra.conf b/tests/topotests/ospf-sr-te-topo1/rt1/zebra.conf
new file mode 100644
index 0000000000..dd686ea3da
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt1/zebra.conf
@@ -0,0 +1,21 @@
+log file zebra.log
+!
+hostname rt1
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 1.1.1.1/32
+!
+interface eth-sw1
+ ip address 10.0.1.1/24
+ link-params
+  enable
+  exit-link-params
+!
+ip forwarding
+!
+line vty
+!
diff --git a/tests/topotests/ospf-sr-te-topo1/rt2/ospfd.conf b/tests/topotests/ospf-sr-te-topo1/rt2/ospfd.conf
new file mode 100644
index 0000000000..f6a7bbb621
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt2/ospfd.conf
@@ -0,0 +1,47 @@
+hostname rt2
+log file ospfd.log
+!
+debug ospf sr
+debug ospf te
+debug ospf event
+debug ospf lsa
+debug ospf zebra
+!
+interface lo
+ ip ospf area 0.0.0.0
+!
+interface eth-sw1
+  ip ospf network point-to-point
+  ip ospf hello-interval 2
+  ip ospf dead-interval 10
+  ip ospf area 0.0.0.0
+!
+interface eth-rt4-1
+  ip ospf network point-to-point
+  ip ospf hello-interval 2
+  ip ospf dead-interval 10
+  ip ospf area 0.0.0.0
+!
+interface eth-rt4-2
+  ip ospf network point-to-point
+  ip ospf hello-interval 2
+  ip ospf dead-interval 10
+  ip ospf area 0.0.0.0
+!
+router ospf
+ ospf router-id 2.2.2.2
+ network 2.2.2.2/32 area 0.0.0.0
+ network 10.0.0.0/16 area 0.0.0.0
+ capability opaque
+ !ospf opaque-lsa
+ mpls-te on
+ !mpls-te export
+ mpls-te router-address 2.2.2.2
+ router-info area 0.0.0.0
+ passive-interface lo
+ segment-routing on
+ segment-routing global-block 16000 23999
+ !segment-routing local-block 15000 15999
+ segment-routing node-msd 8
+ segment-routing prefix 2.2.2.2/32 index 20
+!
diff --git a/tests/topotests/ospf-sr-te-topo1/rt2/zebra.conf b/tests/topotests/ospf-sr-te-topo1/rt2/zebra.conf
new file mode 100644
index 0000000000..ddd50ba520
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt2/zebra.conf
@@ -0,0 +1,35 @@
+log file zebra.log
+!
+hostname rt2
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 2.2.2.2/32
+!
+interface eth-sw1
+ ip address 10.0.1.2/24
+ link-params
+  enable
+  exit-link-params
+!
+interface eth-rt4-1
+ ip address 10.0.2.2/24
+ link-params
+  enable
+  exit-link-params
+!
+!
+interface eth-rt4-2
+ ip address 10.0.3.2/24
+ link-params
+  enable
+  exit-link-params
+!
+!
+ip forwarding
+!
+line vty
+!
diff --git a/tests/topotests/ospf-sr-te-topo1/rt3/ospfd.conf b/tests/topotests/ospf-sr-te-topo1/rt3/ospfd.conf
new file mode 100644
index 0000000000..5f71cd8484
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt3/ospfd.conf
@@ -0,0 +1,46 @@
+hostname rt3
+log file ospfd.log
+!
+debug ospf sr
+debug ospf te
+debug ospf event
+debug ospf lsa
+debug ospf zebra
+!
+interface lo
+ ip ospf area 0.0.0.0
+!
+interface eth-sw1
+  ip ospf network point-to-point
+  ip ospf hello-interval 2
+  ip ospf dead-interval 10
+  ip ospf area 0.0.0.0
+!
+interface eth-rt5-1
+  ip ospf network point-to-point
+  ip ospf hello-interval 2
+  ip ospf dead-interval 10
+  ip ospf area 0.0.0.0
+!
+interface eth-rt5-2
+  ip ospf network point-to-point
+  ip ospf hello-interval 2
+  ip ospf dead-interval 10
+  ip ospf area 0.0.0.0
+!
+router ospf
+ ospf router-id 3.3.3.3
+ network 3.3.3.3/32 area 0.0.0.0
+ network 10.0.0.0/16 area 0.0.0.0
+ capability opaque
+ !ospf opaque-lsa
+ mpls-te on
+ !mpls-te export
+ mpls-te router-address 3.3.3.3
+ router-info area 0.0.0.0
+ segment-routing on
+ segment-routing global-block 16000 23999
+ !segment-routing local-block 15000 15999
+ segment-routing node-msd 8
+ segment-routing prefix 3.3.3.3/32 index 30
+!
diff --git a/tests/topotests/ospf-sr-te-topo1/rt3/zebra.conf b/tests/topotests/ospf-sr-te-topo1/rt3/zebra.conf
new file mode 100644
index 0000000000..0825b5c8bf
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt3/zebra.conf
@@ -0,0 +1,33 @@
+log file zebra.log
+!
+hostname rt3
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 3.3.3.3/32
+!
+interface eth-sw1
+ ip address 10.0.1.3/24
+ link-params
+  enable
+  exit-link-params
+!!
+interface eth-rt5-1
+ ip address 10.0.4.3/24
+ link-params
+  enable
+  exit-link-params
+!!
+interface eth-rt5-2
+ ip address 10.0.5.3/24
+ link-params
+  enable
+  exit-link-params
+!!
+ip forwarding
+!
+line vty
+!
diff --git a/tests/topotests/ospf-sr-te-topo1/rt4/ospfd.conf b/tests/topotests/ospf-sr-te-topo1/rt4/ospfd.conf
new file mode 100644
index 0000000000..d4862cd233
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt4/ospfd.conf
@@ -0,0 +1,53 @@
+hostname rt4
+log file ospfd.log
+!
+debug ospf sr
+debug ospf te
+debug ospf event
+debug ospf lsa
+debug ospf zebra
+!
+interface lo
+ ip ospf area 0.0.0.0
+!
+interface eth-rt2-1
+  ip ospf network point-to-point
+  ip ospf hello-interval 2
+  ip ospf dead-interval 10
+  ip ospf area 0.0.0.0
+!
+interface eth-rt2-2
+  ip ospf network point-to-point
+  ip ospf hello-interval 2
+  ip ospf dead-interval 10
+  ip ospf area 0.0.0.0
+!
+interface eth-rt5
+  ip ospf network point-to-point
+  ip ospf hello-interval 2
+  ip ospf dead-interval 10
+  ip ospf area 0.0.0.0
+!
+interface eth-rt6
+  ip ospf network point-to-point
+  ip ospf hello-interval 2
+  ip ospf dead-interval 10
+  ip ospf area 0.0.0.0
+!
+router ospf
+ ospf router-id 4.4.4.4
+ network 4.4.4.4/32 area 0.0.0.0
+ network 10.0.0.0/16 area 0.0.0.0
+ capability opaque
+ !ospf opaque-lsa
+ mpls-te on
+ !mpls-te export
+ mpls-te router-address 4.4.4.4
+ router-info area 0.0.0.0
+ passive-interface lo
+ segment-routing on
+ segment-routing global-block 16000 23999
+ !segment-routing local-block 15000 15999
+ segment-routing node-msd 8
+ segment-routing prefix 4.4.4.4/32 index 40
+!
diff --git a/tests/topotests/ospf-sr-te-topo1/rt4/zebra.conf b/tests/topotests/ospf-sr-te-topo1/rt4/zebra.conf
new file mode 100644
index 0000000000..c6d1f4f40e
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt4/zebra.conf
@@ -0,0 +1,43 @@
+log file zebra.log
+!
+hostname rt4
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 4.4.4.4/32
+!
+interface eth-rt2-1
+ ip address 10.0.2.4/24
+ link-params
+  enable
+  exit-link-params
+!!
+!
+interface eth-rt2-2
+ ip address 10.0.3.4/24
+ link-params
+  enable
+  exit-link-params
+!!
+!
+interface eth-rt5
+ ip address 10.0.6.4/24
+ link-params
+  enable
+  exit-link-params
+!!
+!
+interface eth-rt6
+ ip address 10.0.7.4/24
+ link-params
+  enable
+  exit-link-params
+!!
+!
+ip forwarding
+!
+line vty
+!
diff --git a/tests/topotests/ospf-sr-te-topo1/rt5/ospfd.conf b/tests/topotests/ospf-sr-te-topo1/rt5/ospfd.conf
new file mode 100644
index 0000000000..fdc0dcfdb7
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt5/ospfd.conf
@@ -0,0 +1,53 @@
+hostname rt5
+log file ospfd.log
+!
+debug ospf sr
+debug ospf te
+debug ospf event
+debug ospf lsa
+debug ospf zebra
+!
+interface lo
+ ip ospf area 0.0.0.0
+!
+interface eth-rt3-1
+  ip ospf network point-to-point
+  ip ospf hello-interval 2
+  ip ospf dead-interval 10
+  ip ospf area 0.0.0.0
+!
+interface eth-rt3-2
+  ip ospf network point-to-point
+  ip ospf hello-interval 2
+  ip ospf dead-interval 10
+  ip ospf area 0.0.0.0
+!
+interface eth-rt4
+  ip ospf network point-to-point
+  ip ospf hello-interval 2
+  ip ospf dead-interval 10
+  ip ospf area 0.0.0.0
+!
+interface eth-rt6
+  ip ospf network point-to-point
+  ip ospf hello-interval 2
+  ip ospf dead-interval 10
+  ip ospf area 0.0.0.0
+!
+router ospf
+ ospf router-id 5.5.5.5
+ network 5.5.5.5/32 area 0.0.0.0
+ network 10.0.0.0/16 area 0.0.0.0
+ capability opaque
+! ospf opaque-lsa
+ mpls-te on
+! mpls-te export
+ mpls-te router-address 5.5.5.5
+ router-info area 0.0.0.0
+ passive-interface lo
+ segment-routing on
+ segment-routing global-block 16000 23999
+! segment-routing local-block 15000 15999
+ segment-routing node-msd 8
+ segment-routing prefix 5.5.5.5/32 index 50
+!
diff --git a/tests/topotests/ospf-sr-te-topo1/rt5/zebra.conf b/tests/topotests/ospf-sr-te-topo1/rt5/zebra.conf
new file mode 100644
index 0000000000..96b732d398
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt5/zebra.conf
@@ -0,0 +1,43 @@
+log file zebra.log
+!
+hostname rt5
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 5.5.5.5/32
+!
+interface eth-rt3-1
+ ip address 10.0.4.5/24
+ link-params
+  enable
+  exit-link-params
+!!
+!
+interface eth-rt3-2
+ ip address 10.0.5.5/24
+ link-params
+  enable
+  exit-link-params
+!!
+!
+interface eth-rt4
+ ip address 10.0.6.5/24
+ link-params
+  enable
+  exit-link-params
+!!
+!
+interface eth-rt6
+ ip address 10.0.8.5/24
+ link-params
+  enable
+  exit-link-params
+!!
+!
+ip forwarding
+!
+line vty
+!
diff --git a/tests/topotests/ospf-sr-te-topo1/rt6/bgpd.conf b/tests/topotests/ospf-sr-te-topo1/rt6/bgpd.conf
new file mode 100644
index 0000000000..e72ee52fce
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt6/bgpd.conf
@@ -0,0 +1,12 @@
+log file bgpd.log
+!
+router bgp 1
+ bgp router-id 6.6.6.6
+ neighbor 1.1.1.1 remote-as 1
+ neighbor 1.1.1.1 update-source lo
+ !
+ address-family ipv4 unicast
+  redistribute static
+  neighbor 1.1.1.1 next-hop-self
+ exit-address-family
+!
diff --git a/tests/topotests/ospf-sr-te-topo1/rt6/ospfd.conf b/tests/topotests/ospf-sr-te-topo1/rt6/ospfd.conf
new file mode 100644
index 0000000000..c06565be0b
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt6/ospfd.conf
@@ -0,0 +1,41 @@
+hostname rt6
+log file ospfd.log
+!
+debug ospf sr
+debug ospf te
+debug ospf event
+debug ospf lsa
+debug ospf zebra
+!
+interface lo
+ ip ospf area 0.0.0.0
+!
+interface eth-rt4
+  ip ospf network point-to-point
+  ip ospf hello-interval 2
+  ip ospf dead-interval 10
+  ip ospf area 0.0.0.0
+!
+interface eth-rt5
+  ip ospf network point-to-point
+  ip ospf hello-interval 2
+  ip ospf dead-interval 10
+  ip ospf area 0.0.0.0
+!
+router ospf
+ ospf router-id 6.6.6.6
+ network 6.6.6.6/32 area 0.0.0.0
+ network 10.0.0.0/16 area 0.0.0.0
+ capability opaque
+! ospf opaque-lsa
+ mpls-te on
+ mpls-te export
+ mpls-te router-address 6.6.6.6
+ router-info area 0.0.0.0
+ passive-interface lo
+ segment-routing on
+ segment-routing global-block 16000 23999
+! segment-routing local-block 15000 15999
+ segment-routing node-msd 8
+ segment-routing prefix 6.6.6.6/32 index 60
+!
diff --git a/tests/topotests/ospf-sr-te-topo1/rt6/pathd.conf b/tests/topotests/ospf-sr-te-topo1/rt6/pathd.conf
new file mode 100644
index 0000000000..696df2214b
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt6/pathd.conf
@@ -0,0 +1,25 @@
+log file pathd.log
+!
+hostname rt6
+!
+segment-routing
+ traffic-eng
+  mpls-te on
+   mpls-te import ospfv2
+  segment-list default
+   index 10  nai adjacency 10.0.7.6 10.0.7.4
+   index 20  nai adjacency 10.0.2.4 10.0.2.2
+   index 30  nai adjacency 10.0.1.2 10.0.1.1
+  !
+  segment-list test
+   index 10  nai adjacency 10.0.8.6 10.0.8.5
+   index 20  nai adjacency 10.0.6.5 10.0.6.4
+   index 30  nai adjacency 10.0.2.4 10.0.2.2
+   index 40  nai adjacency 10.0.1.2 10.0.1.1
+  !
+  policy color 1 endpoint 1.1.1.1
+   name default
+   binding-sid 6666
+  !
+ !
+!
diff --git a/tests/topotests/ospf-sr-te-topo1/rt6/step2/show_operational_data.ref b/tests/topotests/ospf-sr-te-topo1/rt6/step2/show_operational_data.ref
new file mode 100644
index 0000000000..241c80bdd7
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt6/step2/show_operational_data.ref
@@ -0,0 +1,13 @@
+{
+  "frr-pathd:pathd": {
+    "srte": {
+        "policy": [
+        {
+          "color": 1,
+          "endpoint": "1.1.1.1",
+          "is-operational": false
+        }
+      ]
+    }
+  }
+}
diff --git a/tests/topotests/ospf-sr-te-topo1/rt6/step2/show_operational_data_with_candidate.ref b/tests/topotests/ospf-sr-te-topo1/rt6/step2/show_operational_data_with_candidate.ref
new file mode 100644
index 0000000000..20ea69e386
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt6/step2/show_operational_data_with_candidate.ref
@@ -0,0 +1,19 @@
+{
+  "frr-pathd:pathd": {
+    "srte": {
+      "policy": [
+        {
+          "color": 1,
+          "endpoint": "1.1.1.1",
+          "is-operational": true,
+          "candidate-path": [
+            {
+              "preference": 100,
+              "is-best-candidate-path": true
+            }
+          ]
+        }
+      ]
+    }
+  }
+}
diff --git a/tests/topotests/ospf-sr-te-topo1/rt6/step3/show_operational_data_with_single_candidate.ref b/tests/topotests/ospf-sr-te-topo1/rt6/step3/show_operational_data_with_single_candidate.ref
new file mode 100644
index 0000000000..20ea69e386
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt6/step3/show_operational_data_with_single_candidate.ref
@@ -0,0 +1,19 @@
+{
+  "frr-pathd:pathd": {
+    "srte": {
+      "policy": [
+        {
+          "color": 1,
+          "endpoint": "1.1.1.1",
+          "is-operational": true,
+          "candidate-path": [
+            {
+              "preference": 100,
+              "is-best-candidate-path": true
+            }
+          ]
+        }
+      ]
+    }
+  }
+}
diff --git a/tests/topotests/ospf-sr-te-topo1/rt6/step3/show_operational_data_with_two_candidates.ref b/tests/topotests/ospf-sr-te-topo1/rt6/step3/show_operational_data_with_two_candidates.ref
new file mode 100644
index 0000000000..10cafe9091
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt6/step3/show_operational_data_with_two_candidates.ref
@@ -0,0 +1,23 @@
+{
+  "frr-pathd:pathd": {
+    "srte": {
+      "policy": [
+        {
+          "color": 1,
+          "endpoint": "1.1.1.1",
+          "is-operational": true,
+          "candidate-path": [
+            {
+              "preference": 100,
+              "is-best-candidate-path": false
+            },
+            {
+              "preference": 200,
+              "is-best-candidate-path": true
+            }
+          ]
+        }
+      ]
+    }
+  }
+}
diff --git a/tests/topotests/ospf-sr-te-topo1/rt6/zebra.conf b/tests/topotests/ospf-sr-te-topo1/rt6/zebra.conf
new file mode 100644
index 0000000000..360837c4ca
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/rt6/zebra.conf
@@ -0,0 +1,38 @@
+log file zebra.log
+!
+hostname rt6
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 6.6.6.6/32
+!
+interface eth-rt4
+ ip address 10.0.7.6/24
+ link-params
+  enable
+  exit-link-params
+!!
+!
+interface eth-rt5
+ ip address 10.0.8.6/24
+ link-params
+  enable
+  exit-link-params
+!!
+!
+interface eth-dst
+ ip address 10.0.11.1/24
+ link-params
+  enable
+  exit-link-params
+!!
+!
+ip forwarding
+!
+ip route 9.9.9.2/32 10.0.11.2
+!
+line vty
+!
diff --git a/tests/topotests/ospf-sr-te-topo1/test_ospf_sr_te_topo1.py b/tests/topotests/ospf-sr-te-topo1/test_ospf_sr_te_topo1.py
new file mode 100755
index 0000000000..6c1122ab72
--- /dev/null
+++ b/tests/topotests/ospf-sr-te-topo1/test_ospf_sr_te_topo1.py
@@ -0,0 +1,640 @@
+#!/usr/bin/env python
+
+#
+# test_ospf_sr_te_topo1.py
+#
+# Copyright (c) 2021 by
+# Volta Networks
+#
+# Permission to use, copy, modify, and/or distribute this software
+# for any purpose with or without fee is hereby granted, provided
+# that the above copyright notice and this permission notice appear
+# in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
+# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+# OF THIS SOFTWARE.
+#
+
+"""
+test_ospf_sr_te_topo1.py:
+
+                         +---------+
+                         |         |
+                         |   RT1   |
+                         | 1.1.1.1 |
+                         |         |
+                         +---------+
+                              |eth-sw1
+                              |
+                              |
+                              |
+         +---------+          |          +---------+
+         |         |          |          |         |
+         |   RT2   |eth-sw1   |   eth-sw1|   RT3   |
+         | 2.2.2.2 +----------+          + 3.3.3.3 |
+         |         |     10.0.1.0/24     |         |
+         +---------+                     +---------+
+    eth-rt4-1|                      eth-rt5-1|  |eth-rt5-2
+             |                               |  |
+  10.0.2.0/24|                    10.0.4.0/24|  |10.0.5.0/24
+             |                               |  |
+    eth-rt2-1|                      eth-rt3-1|  |eth-rt3-2
+         +---------+                     +---------+
+         |         |                     |         |
+         |   RT4   |     10.0.6.0/24     |   RT5   |
+         | 4.4.4.4 +---------------------+ 5.5.5.5 |
+         |         |eth-rt5       eth-rt4|         |
+         +---------+                     +---------+
+       eth-rt6|                                |eth-rt6
+              |                                |
+   10.0.7.0/24|                                |10.0.8.0/24
+              |          +---------+           |
+              |          |         |           |
+              |          |   RT6   |           |
+              +----------+ 6.6.6.6 +-----------+
+                  eth-rt4|         |eth-rt5
+                         +---------+
+                              |eth-dst (.1)
+                              |
+                              |10.0.11.0/24
+                              |
+                              |eth-rt6 (.2)
+                         +---------+
+                         |         |
+                         |   DST   |
+                         | 9.9.9.2 |
+                         |         |
+                         +---------+
+
+"""
+
+import os
+import sys
+import pytest
+import json
+import re
+from time import sleep
+from functools import partial
+
+# Save the Current Working Directory to find configuration files.
+CWD = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(os.path.join(CWD, "../"))
+
+# pylint: disable=C0413
+# Import topogen and topotest helpers
+from lib import topotest
+from lib.topogen import Topogen, TopoRouter, get_topogen
+from lib.topolog import logger
+
+# Required to instantiate the topology builder class.
+from mininet.topo import Topo
+
+pytestmark = [pytest.mark.bgpd, pytest.mark.ospfd, pytest.mark.pathd]
+
+
+class TemplateTopo(Topo):
+    "Test topology builder"
+
+    def build(self, *_args, **_opts):
+        "Build function"
+        tgen = get_topogen(self)
+
+        #
+        # Define FRR Routers
+        #
+        for router in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6", "dst"]:
+            tgen.add_router(router)
+
+        #
+        # Define connections
+        #
+        switch = tgen.add_switch("s1")
+        switch.add_link(tgen.gears["rt1"], nodeif="eth-sw1")
+        switch.add_link(tgen.gears["rt2"], nodeif="eth-sw1")
+        #switch.add_link(tgen.gears["rt3"], nodeif="eth-sw1")
+
+        switch = tgen.add_switch("s2")
+        switch.add_link(tgen.gears["rt2"], nodeif="eth-rt4-1")
+        switch.add_link(tgen.gears["rt4"], nodeif="eth-rt2-1")
+
+        #switch = tgen.add_switch("s3")
+        #switch.add_link(tgen.gears["rt2"], nodeif="eth-rt4-2")
+        #switch.add_link(tgen.gears["rt4"], nodeif="eth-rt2-2")
+
+        switch = tgen.add_switch("s4")
+        switch.add_link(tgen.gears["rt3"], nodeif="eth-rt5-1")
+        switch.add_link(tgen.gears["rt5"], nodeif="eth-rt3-1")
+
+        switch = tgen.add_switch("s5")
+        switch.add_link(tgen.gears["rt3"], nodeif="eth-rt5-2")
+        switch.add_link(tgen.gears["rt5"], nodeif="eth-rt3-2")
+
+        switch = tgen.add_switch("s6")
+        switch.add_link(tgen.gears["rt4"], nodeif="eth-rt5")
+        switch.add_link(tgen.gears["rt5"], nodeif="eth-rt4")
+
+        switch = tgen.add_switch("s7")
+        switch.add_link(tgen.gears["rt4"], nodeif="eth-rt6")
+        switch.add_link(tgen.gears["rt6"], nodeif="eth-rt4")
+
+        switch = tgen.add_switch("s8")
+        switch.add_link(tgen.gears["rt5"], nodeif="eth-rt6")
+        switch.add_link(tgen.gears["rt6"], nodeif="eth-rt5")
+
+        switch = tgen.add_switch("s9")
+        switch.add_link(tgen.gears["rt6"], nodeif="eth-dst")
+        switch.add_link(tgen.gears["dst"], nodeif="eth-rt6")
+
+
+def setup_module(mod):
+    "Sets up the pytest environment"
+
+    tgen = Topogen(TemplateTopo, mod.__name__)
+
+    frrdir = tgen.config.get(tgen.CONFIG_SECTION, "frrdir")
+    if not os.path.isfile(os.path.join(frrdir, "pathd")):
+        pytest.skip("pathd daemon wasn't built in:"+frrdir)
+
+    tgen.start_topology()
+
+    router_list = tgen.routers()
+
+    # For all registered routers, load the zebra configuration file
+    for rname, router in router_list.items():
+        router.load_config(
+            TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
+        )
+        router.load_config(
+            TopoRouter.RD_OSPF, os.path.join(CWD, "{}/ospfd.conf".format(rname))
+        )
+        router.load_config(
+            TopoRouter.RD_PATH, os.path.join(CWD, "{}/pathd.conf".format(rname))
+        )
+        router.load_config(
+            TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname))
+        )
+
+    tgen.start_router()
+
+
+def teardown_module(mod):
+    "Teardown the pytest environment"
+    tgen = get_topogen()
+
+    # This function tears down the whole topology.
+    tgen.stop_topology()
+
+
+def setup_testcase(msg):
+    logger.info(msg)
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    return tgen
+
+
+def print_cmd_result(rname, command):
+    print(get_topogen().gears[rname].vtysh_cmd(command, isjson=False))
+
+
+def compare_json_test(router, command, reference, exact):
+    output = router.vtysh_cmd(command, isjson=True)
+    result = topotest.json_cmp(output, reference)
+
+    # Note: topotest.json_cmp() just checks on inclusion of keys.
+    # For exact matching also compare the other way around.
+    if not result and exact:
+        return topotest.json_cmp(reference, output)
+    else:
+        return result
+
+
+def cmp_json_output(rname, command, reference, exact=False):
+    "Compare router JSON output"
+
+    logger.info('Comparing router "%s" "%s" output', rname, command)
+
+    tgen = get_topogen()
+    filename = "{}/{}/{}".format(CWD, rname, reference)
+    expected = json.loads(open(filename).read())
+
+    # Run test function until we get an result. Wait at most 60 seconds.
+    test_func = partial(compare_json_test, tgen.gears[rname], command, expected, exact)
+    _, diff = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+    assertmsg = '"{}" JSON output mismatches the expected result'.format(rname)
+    assert diff is None, assertmsg
+
+
+def cmp_json_output_exact(rname, command, reference):
+    return cmp_json_output(rname, command, reference, True)
+
+
+def add_candidate_path(rname, endpoint, pref, name, segment_list="default"):
+    get_topogen().net[rname].cmd(
+        """ \
+        vtysh -c "conf t" \
+              -c "segment-routing" \
+              -c "traffic-eng" \
+              -c "policy color 1 endpoint """
+        + endpoint
+        + """" \
+              -c "candidate-path preference """
+        + str(pref)
+        + """ name """
+        + name
+        + """ explicit segment-list """
+        + segment_list
+        + '''"'''
+    )
+
+
+def delete_candidate_path(rname, endpoint, pref):
+    get_topogen().net[rname].cmd(
+        """ \
+        vtysh -c "conf t" \
+              -c "segment-routing" \
+              -c "traffic-eng" \
+              -c "policy color 1 endpoint """
+        + endpoint
+        + """" \
+              -c "no candidate-path preference """
+        + str(pref)
+        + '''"'''
+    )
+
+
+def add_segment(rname, name, index, label):
+    get_topogen().net[rname].cmd(
+        """ \
+        vtysh -c "conf t" \
+              -c "segment-routing" \
+              -c "traffic-eng" \
+              -c "segment-list """
+        + name
+        + """" \
+              -c "index """
+        + str(index)
+        + """ mpls label """
+        + str(label)
+        + '''"'''
+    )
+
+
+def delete_segment(rname, name, index):
+    get_topogen().net[rname].cmd(
+        """ \
+        vtysh -c "conf t" \
+              -c "segment-routing" \
+              -c "traffic-eng" \
+              -c "segment-list """
+        + name
+        + """" \
+              -c "no index """
+        + str(index)
+        + '''"'''
+    )
+
+
+def add_segment_adj(rname, name, index, src, dst):
+    get_topogen().net[rname].cmd(
+        """ \
+        vtysh -c "conf t" \
+              -c "segment-routing" \
+              -c "traffic-eng" \
+              -c "segment-list """
+        + name
+        + """" \
+              -c "index """
+        + str(index)
+        + """ nai adjacency """
+        + str(src)
+        + """ """
+        + str(dst)
+        + '''"'''
+    )
+
+
+def create_sr_policy(rname, endpoint, bsid):
+    get_topogen().net[rname].cmd(
+        """ \
+        vtysh -c "conf t" \
+              -c "segment-routing" \
+              -c "traffic-eng" \
+              -c "policy color 1 endpoint """
+        + endpoint
+        + """" \
+              -c "name default" \
+              -c "binding-sid """
+        + str(bsid)
+        + '''"'''
+    )
+
+
+def delete_sr_policy(rname, endpoint):
+    get_topogen().net[rname].cmd(
+        """ \
+        vtysh -c "conf t" \
+              -c "segment-routing" \
+              -c "traffic-eng" \
+              -c "no policy color 1 endpoint """
+        + endpoint
+        + '''"'''
+    )
+
+
+def create_prefix_sid(rname, prefix, sid):
+    get_topogen().net[rname].cmd(
+        """ \
+        vtysh -c "conf t" \
+              -c "router ospf " \
+              -c "segment-routing prefix """
+        + prefix
+        + " index "
+        + str(sid)
+        + '''"'''
+    )
+
+
+def delete_prefix_sid(rname, prefix):
+    get_topogen().net[rname].cmd(
+        ''' \
+        vtysh -c "conf t" \
+              -c "router ospf " \
+              -c "no segment-routing prefix "'''
+        + prefix
+    )
+
+
+def check_bsid(rt, bsid, fn_name, positive):
+    """
+    Search for a bsid in rt1 and rt6
+    Positive means that check is true is bsid is found
+    Positive="False" means that check is true is bsid is NOT found
+    """
+
+    logger.info('Checking "%s" bsid "%s" for router "%s" ', positive, bsid, rt)
+
+    count = 0
+    candidate_key = bsid
+    candidate_output = ""
+    # First wait for convergence
+    tgen = get_topogen()
+    while count < 30:
+        matched = False
+        matched_key = False
+        sleep(1)
+        count += 1
+        router = tgen.gears[rt]
+        candidate_output = router.vtysh_cmd("show mpls table json")
+        candidate_output_json = json.loads(candidate_output)
+        for item in candidate_output_json.items():
+                # logger.info('item "%s"', item)
+                if item[0] == candidate_key:
+                    matched_key = True
+                    if positive:
+                        break
+        if positive:
+            if matched_key:
+                matched = True
+            assertmsg = "{} don't has entry {} but is was expected".format(
+                 router.name, candidate_key)
+        else:
+            if not matched_key:
+                matched = True
+            assertmsg = "{} has entry {} but is wans't expected".format(
+                router.name, candidate_key)
+        if matched:
+            logger.info('Success "%s" in "%s"', router.name, fn_name)
+            return
+    assert matched, assertmsg
+
+
+#
+# Step 1
+#
+# Checking the MPLS table using a single SR Policy and a single Candidate Path
+# Segment list are base in adjacency that query TED
+#
+def test_srte_init_step1():
+    setup_testcase("Test (step 1): wait OSPF convergence / label distribution")
+
+    check_bsid("rt1", "1111", test_srte_init_step1.__name__, False)
+    check_bsid("rt6", "6666", test_srte_init_step1.__name__, False)
+
+
+def test_srte_add_candidate_check_mpls_table_step1():
+    setup_testcase("Test (step 1): check MPLS table regarding the added Candidate Path")
+
+    for rname, endpoint in [("rt1", "6.6.6.6"), ("rt6", "1.1.1.1")]:
+        add_candidate_path(rname, endpoint, 100, "default")
+        check_bsid(rname, "1111" if rname == "rt1" else "6666", test_srte_init_step1.__name__, True)
+        delete_candidate_path(rname, endpoint, 100)
+
+
+def test_srte_reinstall_sr_policy_check_mpls_table_step1():
+    setup_testcase(
+        "Test (step 1): check MPLS table after the SR Policy was removed and reinstalled"
+    )
+
+    for rname, endpoint, bsid in [("rt1", "6.6.6.6", 1111), ("rt6", "1.1.1.1", 6666)]:
+        add_candidate_path(rname, endpoint, 100, "default")
+        delete_sr_policy(rname, endpoint)
+        check_bsid(rname, bsid, test_srte_init_step1.__name__, False)
+        create_sr_policy(rname, endpoint, bsid)
+        add_candidate_path(rname, endpoint, 100, "default")
+        check_bsid(rname, "1111" if rname == "rt1" else "6666", test_srte_init_step1.__name__, True)
+        delete_candidate_path(rname, endpoint, 100)
+
+
+#
+# Step 2
+#
+# Checking pathd operational data using a single SR Policy and a single Candidate Path
+# Segment list are base in adjacency that query TED
+#
+def test_srte_bare_policy_step2():
+    setup_testcase("Test (step 2): bare SR Policy should not be operational")
+
+    for rname in ["rt1", "rt6"]:
+        cmp_json_output_exact(
+            rname,
+            "show yang operational-data /frr-pathd:pathd pathd",
+            "step2/show_operational_data.ref",
+        )
+
+
+def test_srte_add_candidate_check_operational_data_step2():
+    setup_testcase(
+        "Test (step 2): add single Candidate Path, SR Policy should be operational"
+    )
+
+    for rname, endpoint in [("rt1", "6.6.6.6"), ("rt6", "1.1.1.1")]:
+        add_candidate_path(rname, endpoint, 100, "default")
+        cmp_json_output(
+            rname,
+            "show yang operational-data /frr-pathd:pathd pathd",
+            "step2/show_operational_data_with_candidate.ref",
+        )
+
+
+def test_srte_config_remove_candidate_check_operational_data_step2():
+    setup_testcase(
+        "Test (step 2): remove single Candidate Path, SR Policy should not be operational anymore"
+    )
+
+    for rname, endpoint in [("rt1", "6.6.6.6"), ("rt6", "1.1.1.1")]:
+        delete_candidate_path(rname, endpoint, 100)
+        cmp_json_output_exact(
+            rname,
+            "show yang operational-data /frr-pathd:pathd pathd",
+            "step2/show_operational_data.ref",
+        )
+
+
+#
+# Step 3
+#
+# Testing the Candidate Path selection
+# Segment list are based in adjacencies resolved by query TED
+#
+def test_srte_add_two_candidates_step3():
+    setup_testcase("Test (step 3): second Candidate Path has higher Priority")
+
+    for rname, endpoint in [("rt1", "6.6.6.6"), ("rt6", "1.1.1.1")]:
+        for pref, cand_name in [("100", "first"), ("200", "second")]:
+            add_candidate_path(rname, endpoint, pref, cand_name)
+        cmp_json_output(
+            rname,
+            "show yang operational-data /frr-pathd:pathd pathd",
+            "step3/show_operational_data_with_two_candidates.ref",
+        )
+
+    # cleanup
+    for rname, endpoint in [("rt1", "6.6.6.6"), ("rt6", "1.1.1.1")]:
+        for pref in ["100", "200"]:
+            delete_candidate_path(rname, endpoint, pref)
+
+
+def test_srte_add_two_candidates_with_reverse_priority_step3():
+    setup_testcase("Test (step 3): second Candidate Path has lower Priority")
+
+    # Use reversed priorities here
+    for rname, endpoint in [("rt1", "6.6.6.6"), ("rt6", "1.1.1.1")]:
+        for pref, cand_name in [("200", "first"), ("100", "second")]:
+            add_candidate_path(rname, endpoint, pref, cand_name)
+        cmp_json_output(
+            rname,
+            "show yang operational-data /frr-pathd:pathd pathd",
+            "step3/show_operational_data_with_two_candidates.ref",
+        )
+
+    # cleanup
+    for rname, endpoint in [("rt1", "6.6.6.6"), ("rt6", "1.1.1.1")]:
+        for pref in ["100", "200"]:
+            delete_candidate_path(rname, endpoint, pref)
+
+
+def test_srte_remove_best_candidate_step3():
+    setup_testcase("Test (step 3): delete the Candidate Path with higher priority")
+
+    for rname, endpoint in [("rt1", "6.6.6.6"), ("rt6", "1.1.1.1")]:
+        for pref, cand_name in [("100", "first"), ("200", "second")]:
+            add_candidate_path(rname, endpoint, pref, cand_name)
+
+    # Delete candidate with higher priority
+    for rname, endpoint in [("rt1", "6.6.6.6"), ("rt6", "1.1.1.1")]:
+        delete_candidate_path(rname, endpoint, 200)
+
+    # Candidate with lower priority should get active now
+    for rname, endpoint in [("rt1", "6.6.6.6"), ("rt6", "1.1.1.1")]:
+        cmp_json_output(
+            rname,
+            "show yang operational-data /frr-pathd:pathd pathd",
+            "step3/show_operational_data_with_single_candidate.ref",
+        )
+        # cleanup
+        delete_candidate_path(rname, endpoint, 100)
+
+
+#
+# Step 4
+#
+# Checking MPLS table with a single SR Policy and a Candidate Path with different Segment Lists and other modifications
+# Segment list are base in adjacency that query TED
+#
+def test_srte_change_segment_list_check_mpls_table_step4():
+    setup_testcase("Test (step 4): check MPLS table for changed Segment List")
+
+    for rname, endpoint in [("rt1", "6.6.6.6"), ("rt6", "1.1.1.1")]:
+        add_candidate_path(rname, endpoint, 100, "default")
+        # now change the segment list name
+        add_candidate_path(rname, endpoint, 100, "default", "test")
+        check_bsid(rname, "1111" if rname == "rt1" else "6666", test_srte_init_step1.__name__, True)
+        delete_segment(rname, "test", 10)
+        delete_segment(rname, "test", 20)
+        delete_segment(rname, "test", 30)
+        delete_segment(rname, "test", 40)
+        if rname == "rt1":
+            add_segment_adj(rname, "test", 10, "10.0.1.1", "10.0.1.2")
+            add_segment_adj(rname, "test", 20, "10.0.2.2", "10.0.2.4")
+            add_segment_adj(rname, "test", 30, "10.0.6.4", "10.0.6.5")
+            add_segment_adj(rname, "test", 40, "10.0.8.5", "10.0.8.6")
+        else:
+            add_segment_adj(rname, "test", 10, "10.0.8.6", "10.0.8.5")
+            add_segment_adj(rname, "test", 20, "10.0.6.5", "10.0.6.4")
+            add_segment_adj(rname, "test", 30, "10.0.2.4", "10.0.2.2")
+            add_segment_adj(rname, "test", 40, "10.0.1.2", "10.0.1.1")
+        check_bsid(rname, "1111" if rname == "rt1" else "6666", test_srte_init_step1.__name__, True)
+        delete_candidate_path(rname, endpoint, 100)
+
+
+def test_srte_change_sl_priority_error_ted_check_mpls_table_step4():
+    setup_testcase("Test (step 4): check MPLS table keeps low prio sl")
+
+    for rname, endpoint in [("rt1", "6.6.6.6"), ("rt6", "1.1.1.1")]:
+        add_candidate_path(rname, endpoint, 100, "default")
+        # now change the segment list name
+        add_candidate_path(rname, endpoint, 200, "test", "test")
+        check_bsid(rname, "1111" if rname == "rt1" else "6666", test_srte_init_step1.__name__, True)
+        delete_segment(rname, "test", 10)
+        delete_segment(rname, "test", 20)
+        delete_segment(rname, "test", 30)
+        delete_segment(rname, "test", 40)
+        # These won't resolv
+        if rname == "rt1":
+            add_segment_adj(rname, "test", 10, "10.0.1.99", "10.0.1.99")
+            add_segment_adj(rname, "test", 20, "10.0.2.99", "10.0.2.99")
+            add_segment_adj(rname, "test", 30, "10.0.6.99", "10.0.6.99")
+            add_segment_adj(rname, "test", 40, "10.0.8.99", "10.0.8.99")
+        else:
+            add_segment_adj(rname, "test", 10, "10.0.8.99", "10.0.8.99")
+            add_segment_adj(rname, "test", 20, "10.0.6.99", "10.0.6.99")
+            add_segment_adj(rname, "test", 30, "10.0.2.99", "10.0.2.99")
+            add_segment_adj(rname, "test", 40, "10.0.1.99", "10.0.1.99")
+        # So policy sticks with default sl even higher prio
+        check_bsid(rname, "1111" if rname == "rt1" else "6666", test_srte_init_step1.__name__, True)
+        delete_candidate_path(rname, endpoint, 100)
+
+
+# Memory leak test template
+def test_memory_leak():
+    "Run the memory leak test and report results."
+    tgen = get_topogen()
+    if not tgen.is_memleak_enabled():
+        pytest.skip("Memory leak test/report is disabled")
+
+    tgen.report_memory_leaks()
+
+
+if __name__ == "__main__":
+    args = ["-s"] + sys.argv[1:]
+    sys.exit(pytest.main(args))
diff --git a/tests/topotests/ospf6-topo1/README.md b/tests/topotests/ospf6_topo1/README.md
index 526c019c6a..526c019c6a 100644
--- a/tests/topotests/ospf6-topo1/README.md
+++ b/tests/topotests/ospf6_topo1/README.md
diff --git a/tests/topotests/ospf6-topo1-vrf/r1/ip_6_address.nhg.ref b/tests/topotests/ospf6_topo1/r1/ip_6_address.nhg.ref
index 11fd9fe3c4..11fd9fe3c4 100644
--- a/tests/topotests/ospf6-topo1-vrf/r1/ip_6_address.nhg.ref
+++ b/tests/topotests/ospf6_topo1/r1/ip_6_address.nhg.ref
diff --git a/tests/topotests/ospf6-topo1/r1/ip_6_address.ref b/tests/topotests/ospf6_topo1/r1/ip_6_address.ref
index 8c48f22381..8c48f22381 100644
--- a/tests/topotests/ospf6-topo1/r1/ip_6_address.ref
+++ b/tests/topotests/ospf6_topo1/r1/ip_6_address.ref
diff --git a/tests/topotests/ospf6-topo1/r1/ospf6d.conf b/tests/topotests/ospf6_topo1/r1/ospf6d.conf
index 9f7e058931..9f7e058931 100644
--- a/tests/topotests/ospf6-topo1/r1/ospf6d.conf
+++ b/tests/topotests/ospf6_topo1/r1/ospf6d.conf
diff --git a/tests/topotests/ospf6-topo1/r1/show_ipv6_route.ref b/tests/topotests/ospf6_topo1/r1/show_ipv6_route.ref
index a2ddf7c5ae..a2ddf7c5ae 100644
--- a/tests/topotests/ospf6-topo1/r1/show_ipv6_route.ref
+++ b/tests/topotests/ospf6_topo1/r1/show_ipv6_route.ref
diff --git a/tests/topotests/ospf6-topo1/r1/zebra.conf b/tests/topotests/ospf6_topo1/r1/zebra.conf
index dfbcea8d21..dfbcea8d21 100644
--- a/tests/topotests/ospf6-topo1/r1/zebra.conf
+++ b/tests/topotests/ospf6_topo1/r1/zebra.conf
diff --git a/tests/topotests/ospf6-topo1/r2/ip_6_address.nhg.ref b/tests/topotests/ospf6_topo1/r2/ip_6_address.nhg.ref
index 032acb5341..032acb5341 100644
--- a/tests/topotests/ospf6-topo1/r2/ip_6_address.nhg.ref
+++ b/tests/topotests/ospf6_topo1/r2/ip_6_address.nhg.ref
diff --git a/tests/topotests/ospf6-topo1/r2/ip_6_address.ref b/tests/topotests/ospf6_topo1/r2/ip_6_address.ref
index edb6c864be..edb6c864be 100644
--- a/tests/topotests/ospf6-topo1/r2/ip_6_address.ref
+++ b/tests/topotests/ospf6_topo1/r2/ip_6_address.ref
diff --git a/tests/topotests/ospf6-topo1/r2/ospf6d.conf b/tests/topotests/ospf6_topo1/r2/ospf6d.conf
index 26ebc2c0ea..26ebc2c0ea 100644
--- a/tests/topotests/ospf6-topo1/r2/ospf6d.conf
+++ b/tests/topotests/ospf6_topo1/r2/ospf6d.conf
diff --git a/tests/topotests/ospf6-topo1/r2/show_ipv6_route.ref b/tests/topotests/ospf6_topo1/r2/show_ipv6_route.ref
index 1f642b1b22..1f642b1b22 100644
--- a/tests/topotests/ospf6-topo1/r2/show_ipv6_route.ref
+++ b/tests/topotests/ospf6_topo1/r2/show_ipv6_route.ref
diff --git a/tests/topotests/ospf6-topo1/r2/zebra.conf b/tests/topotests/ospf6_topo1/r2/zebra.conf
index f05d1a60ff..f05d1a60ff 100644
--- a/tests/topotests/ospf6-topo1/r2/zebra.conf
+++ b/tests/topotests/ospf6_topo1/r2/zebra.conf
diff --git a/tests/topotests/ospf6-topo1/r3/ip_6_address.nhg.ref b/tests/topotests/ospf6_topo1/r3/ip_6_address.nhg.ref
index 101fcc95b4..101fcc95b4 100644
--- a/tests/topotests/ospf6-topo1/r3/ip_6_address.nhg.ref
+++ b/tests/topotests/ospf6_topo1/r3/ip_6_address.nhg.ref
diff --git a/tests/topotests/ospf6-topo1/r3/ip_6_address.ref b/tests/topotests/ospf6_topo1/r3/ip_6_address.ref
index 1a3a4ea86f..1a3a4ea86f 100644
--- a/tests/topotests/ospf6-topo1/r3/ip_6_address.ref
+++ b/tests/topotests/ospf6_topo1/r3/ip_6_address.ref
diff --git a/tests/topotests/ospf6-topo1/r3/ospf6d.conf b/tests/topotests/ospf6_topo1/r3/ospf6d.conf
index e902496530..e902496530 100644
--- a/tests/topotests/ospf6-topo1/r3/ospf6d.conf
+++ b/tests/topotests/ospf6_topo1/r3/ospf6d.conf
diff --git a/tests/topotests/ospf6-topo1/r3/show_ipv6_route.ref b/tests/topotests/ospf6_topo1/r3/show_ipv6_route.ref
index 8e3afa583a..8e3afa583a 100644
--- a/tests/topotests/ospf6-topo1/r3/show_ipv6_route.ref
+++ b/tests/topotests/ospf6_topo1/r3/show_ipv6_route.ref
diff --git a/tests/topotests/ospf6-topo1/r3/zebra.conf b/tests/topotests/ospf6_topo1/r3/zebra.conf
index d8051c350d..d8051c350d 100644
--- a/tests/topotests/ospf6-topo1/r3/zebra.conf
+++ b/tests/topotests/ospf6_topo1/r3/zebra.conf
diff --git a/tests/topotests/ospf6-topo1/r4/ip_6_address.nhg.ref b/tests/topotests/ospf6_topo1/r4/ip_6_address.nhg.ref
index 4f11670ce3..4f11670ce3 100644
--- a/tests/topotests/ospf6-topo1/r4/ip_6_address.nhg.ref
+++ b/tests/topotests/ospf6_topo1/r4/ip_6_address.nhg.ref
diff --git a/tests/topotests/ospf6-topo1/r4/ip_6_address.ref b/tests/topotests/ospf6_topo1/r4/ip_6_address.ref
index cb3b745de5..cb3b745de5 100644
--- a/tests/topotests/ospf6-topo1/r4/ip_6_address.ref
+++ b/tests/topotests/ospf6_topo1/r4/ip_6_address.ref
diff --git a/tests/topotests/ospf6-topo1/r4/ospf6d.conf b/tests/topotests/ospf6_topo1/r4/ospf6d.conf
index 5607a789de..5607a789de 100644
--- a/tests/topotests/ospf6-topo1/r4/ospf6d.conf
+++ b/tests/topotests/ospf6_topo1/r4/ospf6d.conf
diff --git a/tests/topotests/ospf6-topo1/r4/show_ipv6_route.ref b/tests/topotests/ospf6_topo1/r4/show_ipv6_route.ref
index 0df652ffb3..0df652ffb3 100644
--- a/tests/topotests/ospf6-topo1/r4/show_ipv6_route.ref
+++ b/tests/topotests/ospf6_topo1/r4/show_ipv6_route.ref
diff --git a/tests/topotests/ospf6-topo1/r4/zebra.conf b/tests/topotests/ospf6_topo1/r4/zebra.conf
index cada58bd01..cada58bd01 100644
--- a/tests/topotests/ospf6-topo1/r4/zebra.conf
+++ b/tests/topotests/ospf6_topo1/r4/zebra.conf
diff --git a/tests/topotests/ospf6-topo1/test_ospf6_topo1.py b/tests/topotests/ospf6_topo1/test_ospf6_topo1.py
index f8c3476e18..f8c3476e18 100644
--- a/tests/topotests/ospf6-topo1/test_ospf6_topo1.py
+++ b/tests/topotests/ospf6_topo1/test_ospf6_topo1.py
diff --git a/tests/topotests/ospf6-topo1-vrf/README.md b/tests/topotests/ospf6_topo1_vrf/README.md
index 3ed0b8fbe2..3ed0b8fbe2 100644
--- a/tests/topotests/ospf6-topo1-vrf/README.md
+++ b/tests/topotests/ospf6_topo1_vrf/README.md
diff --git a/tests/topotests/ospf6-topo1/r1/ip_6_address.nhg.ref b/tests/topotests/ospf6_topo1_vrf/r1/ip_6_address.nhg.ref
index 11fd9fe3c4..11fd9fe3c4 100644
--- a/tests/topotests/ospf6-topo1/r1/ip_6_address.nhg.ref
+++ b/tests/topotests/ospf6_topo1_vrf/r1/ip_6_address.nhg.ref
diff --git a/tests/topotests/ospf6-topo1-vrf/r1/ip_6_address.ref b/tests/topotests/ospf6_topo1_vrf/r1/ip_6_address.ref
index f17e1fed16..f17e1fed16 100644
--- a/tests/topotests/ospf6-topo1-vrf/r1/ip_6_address.ref
+++ b/tests/topotests/ospf6_topo1_vrf/r1/ip_6_address.ref
diff --git a/tests/topotests/ospf6-topo1-vrf/r1/ospf6d.conf b/tests/topotests/ospf6_topo1_vrf/r1/ospf6d.conf
index ed480354e4..ed480354e4 100644
--- a/tests/topotests/ospf6-topo1-vrf/r1/ospf6d.conf
+++ b/tests/topotests/ospf6_topo1_vrf/r1/ospf6d.conf
diff --git a/tests/topotests/ospf6-topo1-vrf/r1/show_ipv6_vrf_route.ref b/tests/topotests/ospf6_topo1_vrf/r1/show_ipv6_vrf_route.ref
index a2ddf7c5ae..a2ddf7c5ae 100644
--- a/tests/topotests/ospf6-topo1-vrf/r1/show_ipv6_vrf_route.ref
+++ b/tests/topotests/ospf6_topo1_vrf/r1/show_ipv6_vrf_route.ref
diff --git a/tests/topotests/ospf6-topo1-vrf/r1/zebra.conf b/tests/topotests/ospf6_topo1_vrf/r1/zebra.conf
index abe8a9bc45..abe8a9bc45 100644
--- a/tests/topotests/ospf6-topo1-vrf/r1/zebra.conf
+++ b/tests/topotests/ospf6_topo1_vrf/r1/zebra.conf
diff --git a/tests/topotests/ospf6-topo1-vrf/r2/ip_6_address.ref b/tests/topotests/ospf6_topo1_vrf/r2/ip_6_address.ref
index 1a3e67bb09..1a3e67bb09 100644
--- a/tests/topotests/ospf6-topo1-vrf/r2/ip_6_address.ref
+++ b/tests/topotests/ospf6_topo1_vrf/r2/ip_6_address.ref
diff --git a/tests/topotests/ospf6-topo1-vrf/r2/ospf6d.conf b/tests/topotests/ospf6_topo1_vrf/r2/ospf6d.conf
index 485771e7d5..485771e7d5 100644
--- a/tests/topotests/ospf6-topo1-vrf/r2/ospf6d.conf
+++ b/tests/topotests/ospf6_topo1_vrf/r2/ospf6d.conf
diff --git a/tests/topotests/ospf6-topo1-vrf/r2/show_ipv6_vrf_route.ref b/tests/topotests/ospf6_topo1_vrf/r2/show_ipv6_vrf_route.ref
index 3289619414..3289619414 100644
--- a/tests/topotests/ospf6-topo1-vrf/r2/show_ipv6_vrf_route.ref
+++ b/tests/topotests/ospf6_topo1_vrf/r2/show_ipv6_vrf_route.ref
diff --git a/tests/topotests/ospf6-topo1-vrf/r2/zebra.conf b/tests/topotests/ospf6_topo1_vrf/r2/zebra.conf
index e1011bd3b6..e1011bd3b6 100644
--- a/tests/topotests/ospf6-topo1-vrf/r2/zebra.conf
+++ b/tests/topotests/ospf6_topo1_vrf/r2/zebra.conf
diff --git a/tests/topotests/ospf6-topo1-vrf/r3/ip_6_address.ref b/tests/topotests/ospf6_topo1_vrf/r3/ip_6_address.ref
index d70027fb9e..d70027fb9e 100644
--- a/tests/topotests/ospf6-topo1-vrf/r3/ip_6_address.ref
+++ b/tests/topotests/ospf6_topo1_vrf/r3/ip_6_address.ref
diff --git a/tests/topotests/ospf6-topo1-vrf/r3/ospf6d.conf b/tests/topotests/ospf6_topo1_vrf/r3/ospf6d.conf
index f5837bf6fd..f5837bf6fd 100644
--- a/tests/topotests/ospf6-topo1-vrf/r3/ospf6d.conf
+++ b/tests/topotests/ospf6_topo1_vrf/r3/ospf6d.conf
diff --git a/tests/topotests/ospf6-topo1-vrf/r3/show_ipv6_vrf_route.ref b/tests/topotests/ospf6_topo1_vrf/r3/show_ipv6_vrf_route.ref
index ac713190ff..ac713190ff 100644
--- a/tests/topotests/ospf6-topo1-vrf/r3/show_ipv6_vrf_route.ref
+++ b/tests/topotests/ospf6_topo1_vrf/r3/show_ipv6_vrf_route.ref
diff --git a/tests/topotests/ospf6-topo1-vrf/r3/zebra.conf b/tests/topotests/ospf6_topo1_vrf/r3/zebra.conf
index f489f3ac73..f489f3ac73 100644
--- a/tests/topotests/ospf6-topo1-vrf/r3/zebra.conf
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diff --git a/tests/topotests/ospf6-topo1-vrf/r4/ip_6_address.ref b/tests/topotests/ospf6_topo1_vrf/r4/ip_6_address.ref
index 0883f3c588..0883f3c588 100644
--- a/tests/topotests/ospf6-topo1-vrf/r4/ip_6_address.ref
+++ b/tests/topotests/ospf6_topo1_vrf/r4/ip_6_address.ref
diff --git a/tests/topotests/ospf6-topo1-vrf/r4/ospf6d.conf b/tests/topotests/ospf6_topo1_vrf/r4/ospf6d.conf
index ab67d06ff4..ab67d06ff4 100644
--- a/tests/topotests/ospf6-topo1-vrf/r4/ospf6d.conf
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diff --git a/tests/topotests/ospf6-topo1-vrf/r4/show_ipv6_vrf_route.ref b/tests/topotests/ospf6_topo1_vrf/r4/show_ipv6_vrf_route.ref
index 0df652ffb3..0df652ffb3 100644
--- a/tests/topotests/ospf6-topo1-vrf/r4/show_ipv6_vrf_route.ref
+++ b/tests/topotests/ospf6_topo1_vrf/r4/show_ipv6_vrf_route.ref
diff --git a/tests/topotests/ospf6-topo1-vrf/r4/zebra.conf b/tests/topotests/ospf6_topo1_vrf/r4/zebra.conf
index c59116df8c..c59116df8c 100644
--- a/tests/topotests/ospf6-topo1-vrf/r4/zebra.conf
+++ b/tests/topotests/ospf6_topo1_vrf/r4/zebra.conf
diff --git a/tests/topotests/ospf6-topo1-vrf/test_ospf6_topo1_vrf.py b/tests/topotests/ospf6_topo1_vrf/test_ospf6_topo1_vrf.py
index fa2784ee7e..fa2784ee7e 100755
--- a/tests/topotests/ospf6-topo1-vrf/test_ospf6_topo1_vrf.py
+++ b/tests/topotests/ospf6_topo1_vrf/test_ospf6_topo1_vrf.py
diff --git a/tests/topotests/ospf6-topo2/r1/ospf6d.conf b/tests/topotests/ospf6_topo2/r1/ospf6d.conf
index c403fcd8dc..c403fcd8dc 100644
--- a/tests/topotests/ospf6-topo2/r1/ospf6d.conf
+++ b/tests/topotests/ospf6_topo2/r1/ospf6d.conf
diff --git a/tests/topotests/ospf6-topo2/r1/zebra.conf b/tests/topotests/ospf6_topo2/r1/zebra.conf
index 7fee2da8ba..7fee2da8ba 100644
--- a/tests/topotests/ospf6-topo2/r1/zebra.conf
+++ b/tests/topotests/ospf6_topo2/r1/zebra.conf
diff --git a/tests/topotests/ospf6-topo2/r2/ospf6d.conf b/tests/topotests/ospf6_topo2/r2/ospf6d.conf
index d4bb0e2a41..d4bb0e2a41 100644
--- a/tests/topotests/ospf6-topo2/r2/ospf6d.conf
+++ b/tests/topotests/ospf6_topo2/r2/ospf6d.conf
diff --git a/tests/topotests/ospf6-topo2/r2/zebra.conf b/tests/topotests/ospf6_topo2/r2/zebra.conf
index 891945a4e7..891945a4e7 100644
--- a/tests/topotests/ospf6-topo2/r2/zebra.conf
+++ b/tests/topotests/ospf6_topo2/r2/zebra.conf
diff --git a/tests/topotests/ospf6-topo2/r3/ospf6d.conf b/tests/topotests/ospf6_topo2/r3/ospf6d.conf
index aaef00d5bb..aaef00d5bb 100644
--- a/tests/topotests/ospf6-topo2/r3/ospf6d.conf
+++ b/tests/topotests/ospf6_topo2/r3/ospf6d.conf
diff --git a/tests/topotests/ospf6-topo2/r3/zebra.conf b/tests/topotests/ospf6_topo2/r3/zebra.conf
index dea2fe4778..dea2fe4778 100644
--- a/tests/topotests/ospf6-topo2/r3/zebra.conf
+++ b/tests/topotests/ospf6_topo2/r3/zebra.conf
diff --git a/tests/topotests/ospf6-topo2/test_ospf6_topo2.dot b/tests/topotests/ospf6_topo2/test_ospf6_topo2.dot
index ba7a36f2b5..ba7a36f2b5 100644
--- a/tests/topotests/ospf6-topo2/test_ospf6_topo2.dot
+++ b/tests/topotests/ospf6_topo2/test_ospf6_topo2.dot
diff --git a/tests/topotests/ospf6-topo2/test_ospf6_topo2.png b/tests/topotests/ospf6_topo2/test_ospf6_topo2.png
index ee1de60736..ee1de60736 100644
--- a/tests/topotests/ospf6-topo2/test_ospf6_topo2.png
+++ b/tests/topotests/ospf6_topo2/test_ospf6_topo2.png
diff --git a/tests/topotests/ospf6-topo2/test_ospf6_topo2.py b/tests/topotests/ospf6_topo2/test_ospf6_topo2.py
index efc8565bb3..efc8565bb3 100644
--- a/tests/topotests/ospf6-topo2/test_ospf6_topo2.py
+++ b/tests/topotests/ospf6_topo2/test_ospf6_topo2.py
diff --git a/tests/topotests/ospf-dual-stack/test_ospf_dual_stack.dot b/tests/topotests/ospf_dual_stack/test_ospf_dual_stack.dot
index 2c6d0aab16..2c6d0aab16 100644
--- a/tests/topotests/ospf-dual-stack/test_ospf_dual_stack.dot
+++ b/tests/topotests/ospf_dual_stack/test_ospf_dual_stack.dot
diff --git a/tests/topotests/ospf-dual-stack/test_ospf_dual_stack.jpg b/tests/topotests/ospf_dual_stack/test_ospf_dual_stack.jpg
index 44efda8390..44efda8390 100644
--- a/tests/topotests/ospf-dual-stack/test_ospf_dual_stack.jpg
+++ b/tests/topotests/ospf_dual_stack/test_ospf_dual_stack.jpg
diff --git a/tests/topotests/ospf-dual-stack/test_ospf_dual_stack.json b/tests/topotests/ospf_dual_stack/test_ospf_dual_stack.json
index c8a3ce783b..c8a3ce783b 100644
--- a/tests/topotests/ospf-dual-stack/test_ospf_dual_stack.json
+++ b/tests/topotests/ospf_dual_stack/test_ospf_dual_stack.json
diff --git a/tests/topotests/ospf-dual-stack/test_ospf_dual_stack.py b/tests/topotests/ospf_dual_stack/test_ospf_dual_stack.py
index 5e7802fa04..5e7802fa04 100644
--- a/tests/topotests/ospf-dual-stack/test_ospf_dual_stack.py
+++ b/tests/topotests/ospf_dual_stack/test_ospf_dual_stack.py
diff --git a/tests/topotests/ospf-sr-topo1/__init__.py b/tests/topotests/ospf_sr_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/ospf-sr-topo1/__init__.py
+++ b/tests/topotests/ospf_sr_topo1/__init__.py
diff --git a/tests/topotests/ospf-sr-topo1/rt1/ospfd.conf b/tests/topotests/ospf_sr_topo1/rt1/ospfd.conf
index 94dba7c061..94dba7c061 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/ospfd.conf
+++ b/tests/topotests/ospf_sr_topo1/rt1/ospfd.conf
diff --git a/tests/topotests/ospf-sr-topo1/rt1/step1/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt1/step1/show_ip_route.ref
index 374184e60a..374184e60a 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step1/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt1/step1/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt1/step1/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt1/step1/show_mpls_table.ref
index de906c270d..de906c270d 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step1/show_mpls_table.ref
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diff --git a/tests/topotests/ospf-sr-topo1/rt1/step10/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt1/step10/show_ip_route.ref
index 37f73629fd..37f73629fd 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step10/show_ip_route.ref
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diff --git a/tests/topotests/ospf-sr-topo1/rt1/step10/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt1/step10/show_mpls_table.ref
index 2006392564..2006392564 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step10/show_mpls_table.ref
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diff --git a/tests/topotests/ospf-sr-topo1/rt1/step2/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt1/step2/show_ip_route.ref
index 37f73629fd..37f73629fd 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step2/show_ip_route.ref
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diff --git a/tests/topotests/ospf-sr-topo1/rt1/step2/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt1/step2/show_mpls_table.ref
index de906c270d..de906c270d 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step2/show_mpls_table.ref
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diff --git a/tests/topotests/ospf-sr-topo1/rt1/step3/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt1/step3/show_ip_route.ref
index f6ead5cb91..f6ead5cb91 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step3/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt1/step3/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt1/step3/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt1/step3/show_mpls_table.ref
index 96e05913ed..96e05913ed 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step3/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt1/step3/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt1/step4/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt1/step4/show_ip_route.ref
index 37f73629fd..37f73629fd 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step4/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt1/step4/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt1/step4/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt1/step4/show_mpls_table.ref
index de906c270d..de906c270d 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step4/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt1/step4/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt1/step5/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt1/step5/show_ip_route.ref
index f2b8924b85..f2b8924b85 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step5/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt1/step5/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt1/step5/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt1/step5/show_mpls_table.ref
index 96e05913ed..96e05913ed 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step5/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt1/step5/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt1/step6/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt1/step6/show_ip_route.ref
index 37f73629fd..37f73629fd 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step6/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt1/step6/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt1/step6/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt1/step6/show_mpls_table.ref
index de906c270d..de906c270d 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step6/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt1/step6/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt1/step7/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt1/step7/show_ip_route.ref
index 37f73629fd..37f73629fd 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step7/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt1/step7/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt1/step7/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt1/step7/show_mpls_table.ref
index de906c270d..de906c270d 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step7/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt1/step7/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt1/step8/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt1/step8/show_ip_route.ref
index 37f73629fd..37f73629fd 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step8/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt1/step8/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt1/step8/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt1/step8/show_mpls_table.ref
index de906c270d..de906c270d 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step8/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt1/step8/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt1/step9/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt1/step9/show_ip_route.ref
index 37f73629fd..37f73629fd 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step9/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt1/step9/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt1/step9/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt1/step9/show_mpls_table.ref
index 2006392564..2006392564 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/step9/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt1/step9/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt1/zebra.conf b/tests/topotests/ospf_sr_topo1/rt1/zebra.conf
index 7d3139a80e..7d3139a80e 100644
--- a/tests/topotests/ospf-sr-topo1/rt1/zebra.conf
+++ b/tests/topotests/ospf_sr_topo1/rt1/zebra.conf
diff --git a/tests/topotests/ospf-sr-topo1/rt2/ospfd.conf b/tests/topotests/ospf_sr_topo1/rt2/ospfd.conf
index b47e788062..b47e788062 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/ospfd.conf
+++ b/tests/topotests/ospf_sr_topo1/rt2/ospfd.conf
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step1/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt2/step1/show_ip_route.ref
index 3dde042b51..3dde042b51 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step1/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step1/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step1/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt2/step1/show_mpls_table.ref
index eba7c403d3..eba7c403d3 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step1/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step1/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step10/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt2/step10/show_ip_route.ref
index 9a06059df2..9a06059df2 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step10/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step10/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step10/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt2/step10/show_mpls_table.ref
index be44a7521d..be44a7521d 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step10/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step10/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step2/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt2/step2/show_ip_route.ref
index 384aac032d..384aac032d 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step2/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step2/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step2/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt2/step2/show_mpls_table.ref
index 5088aa2f7a..5088aa2f7a 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step2/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step2/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step3/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt2/step3/show_ip_route.ref
index 879cd1e0c5..879cd1e0c5 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step3/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step3/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step3/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt2/step3/show_mpls_table.ref
index 6333e7f7f9..6333e7f7f9 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step3/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step3/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step4/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt2/step4/show_ip_route.ref
index 384aac032d..384aac032d 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step4/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step4/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step4/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt2/step4/show_mpls_table.ref
index 5088aa2f7a..5088aa2f7a 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step4/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step4/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step5/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt2/step5/show_ip_route.ref
index 07edd42dc8..07edd42dc8 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step5/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step5/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step5/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt2/step5/show_mpls_table.ref
index 6333e7f7f9..6333e7f7f9 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step5/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step5/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step6/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt2/step6/show_ip_route.ref
index 384aac032d..384aac032d 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step6/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step6/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step6/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt2/step6/show_mpls_table.ref
index 5088aa2f7a..5088aa2f7a 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step6/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step6/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step7/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt2/step7/show_ip_route.ref
index 274931bef7..274931bef7 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step7/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step7/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step7/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt2/step7/show_mpls_table.ref
index cd23725a80..cd23725a80 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step7/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step7/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step8/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt2/step8/show_ip_route.ref
index 384aac032d..384aac032d 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step8/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step8/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step8/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt2/step8/show_mpls_table.ref
index 5088aa2f7a..5088aa2f7a 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step8/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step8/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step9/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt2/step9/show_ip_route.ref
index c71515f3ff..c71515f3ff 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step9/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step9/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/step9/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt2/step9/show_mpls_table.ref
index 2f06641f7f..2f06641f7f 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/step9/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt2/step9/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt2/zebra.conf b/tests/topotests/ospf_sr_topo1/rt2/zebra.conf
index c4ed4276d9..c4ed4276d9 100644
--- a/tests/topotests/ospf-sr-topo1/rt2/zebra.conf
+++ b/tests/topotests/ospf_sr_topo1/rt2/zebra.conf
diff --git a/tests/topotests/ospf-sr-topo1/rt3/ospfd.conf b/tests/topotests/ospf_sr_topo1/rt3/ospfd.conf
index 238d82ff97..238d82ff97 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/ospfd.conf
+++ b/tests/topotests/ospf_sr_topo1/rt3/ospfd.conf
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step1/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt3/step1/show_ip_route.ref
index 4b1500ef97..4b1500ef97 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step1/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step1/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step1/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt3/step1/show_mpls_table.ref
index 39cc3e8ffd..39cc3e8ffd 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step1/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step1/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step10/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt3/step10/show_ip_route.ref
index 14a2ac1e8a..14a2ac1e8a 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step10/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step10/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step10/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt3/step10/show_mpls_table.ref
index a0f7c790a0..a0f7c790a0 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step10/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step10/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step2/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt3/step2/show_ip_route.ref
index 63c6a1845f..63c6a1845f 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step2/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step2/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step2/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt3/step2/show_mpls_table.ref
index 1ab2242b7e..1ab2242b7e 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step2/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step2/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step3/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt3/step3/show_ip_route.ref
index 0894c51cf2..0894c51cf2 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step3/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step3/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step3/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt3/step3/show_mpls_table.ref
index 4dcaedeca1..4dcaedeca1 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step3/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step3/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step4/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt3/step4/show_ip_route.ref
index 63c6a1845f..63c6a1845f 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step4/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step4/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step4/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt3/step4/show_mpls_table.ref
index 1ab2242b7e..1ab2242b7e 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step4/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step4/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step5/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt3/step5/show_ip_route.ref
index 3e74ff039c..3e74ff039c 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step5/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step5/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step5/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt3/step5/show_mpls_table.ref
index 4dcaedeca1..4dcaedeca1 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step5/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step5/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step6/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt3/step6/show_ip_route.ref
index 63c6a1845f..63c6a1845f 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step6/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step6/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step6/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt3/step6/show_mpls_table.ref
index 1ab2242b7e..1ab2242b7e 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step6/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step6/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step7/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt3/step7/show_ip_route.ref
index 41544d4296..41544d4296 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step7/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step7/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step7/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt3/step7/show_mpls_table.ref
index bf055bad78..bf055bad78 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step7/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step7/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step8/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt3/step8/show_ip_route.ref
index 63c6a1845f..63c6a1845f 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step8/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step8/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step8/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt3/step8/show_mpls_table.ref
index 1ab2242b7e..1ab2242b7e 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step8/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step8/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step9/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt3/step9/show_ip_route.ref
index 14a2ac1e8a..14a2ac1e8a 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step9/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step9/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/step9/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt3/step9/show_mpls_table.ref
index a0f7c790a0..a0f7c790a0 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/step9/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt3/step9/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt3/zebra.conf b/tests/topotests/ospf_sr_topo1/rt3/zebra.conf
index 89a781fe3c..89a781fe3c 100644
--- a/tests/topotests/ospf-sr-topo1/rt3/zebra.conf
+++ b/tests/topotests/ospf_sr_topo1/rt3/zebra.conf
diff --git a/tests/topotests/ospf-sr-topo1/rt4/ospfd.conf b/tests/topotests/ospf_sr_topo1/rt4/ospfd.conf
index b12e0729ad..b12e0729ad 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/ospfd.conf
+++ b/tests/topotests/ospf_sr_topo1/rt4/ospfd.conf
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step1/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt4/step1/show_ip_route.ref
index 4a2d3aa10f..4a2d3aa10f 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step1/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step1/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step1/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt4/step1/show_mpls_table.ref
index 3246d22842..3246d22842 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step1/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step1/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step10/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt4/step10/show_ip_route.ref
index db4cf5b3f5..db4cf5b3f5 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step10/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step10/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step10/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt4/step10/show_mpls_table.ref
index 58cf526a83..58cf526a83 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step10/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step10/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step2/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt4/step2/show_ip_route.ref
index c44b3eef30..c44b3eef30 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step2/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step2/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step2/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt4/step2/show_mpls_table.ref
index 05f9f28cbd..05f9f28cbd 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step2/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step2/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step3/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt4/step3/show_ip_route.ref
index a078dd2daf..a078dd2daf 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step3/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step3/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step3/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt4/step3/show_mpls_table.ref
index f5515636d2..f5515636d2 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step3/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step3/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step4/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt4/step4/show_ip_route.ref
index b63812ab1d..b63812ab1d 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step4/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step4/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step4/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt4/step4/show_mpls_table.ref
index f2e56c2e19..f2e56c2e19 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step4/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step4/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step5/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt4/step5/show_ip_route.ref
index 3157ae1ea1..3157ae1ea1 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step5/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step5/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step5/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt4/step5/show_mpls_table.ref
index 8213840652..8213840652 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step5/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step5/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step6/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt4/step6/show_ip_route.ref
index b63812ab1d..b63812ab1d 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step6/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step6/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step6/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt4/step6/show_mpls_table.ref
index f2e56c2e19..f2e56c2e19 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step6/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step6/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step7/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt4/step7/show_ip_route.ref
index 775d8c4034..775d8c4034 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step7/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step7/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step7/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt4/step7/show_mpls_table.ref
index 8a5fdef806..8a5fdef806 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step7/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step7/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step8/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt4/step8/show_ip_route.ref
index b63812ab1d..b63812ab1d 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step8/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step8/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step8/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt4/step8/show_mpls_table.ref
index f2e56c2e19..f2e56c2e19 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step8/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step8/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step9/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt4/step9/show_ip_route.ref
index 48e306d393..48e306d393 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step9/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step9/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/step9/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt4/step9/show_mpls_table.ref
index 275abab715..275abab715 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/step9/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt4/step9/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt4/zebra.conf b/tests/topotests/ospf_sr_topo1/rt4/zebra.conf
index 13c621eb31..13c621eb31 100644
--- a/tests/topotests/ospf-sr-topo1/rt4/zebra.conf
+++ b/tests/topotests/ospf_sr_topo1/rt4/zebra.conf
diff --git a/tests/topotests/ospf-sr-topo1/rt5/ospfd.conf b/tests/topotests/ospf_sr_topo1/rt5/ospfd.conf
index 4e7b24c03a..4e7b24c03a 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/ospfd.conf
+++ b/tests/topotests/ospf_sr_topo1/rt5/ospfd.conf
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step1/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt5/step1/show_ip_route.ref
index 0a43788a18..0a43788a18 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step1/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step1/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step1/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt5/step1/show_mpls_table.ref
index e8c46085be..e8c46085be 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step1/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step1/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step10/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt5/step10/show_ip_route.ref
index 2bad2eb7bf..2bad2eb7bf 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step10/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step10/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step10/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt5/step10/show_mpls_table.ref
index c5ed18d76f..c5ed18d76f 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step10/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step10/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step2/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt5/step2/show_ip_route.ref
index 3572ec713f..3572ec713f 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step2/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step2/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step2/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt5/step2/show_mpls_table.ref
index d9cadeb513..d9cadeb513 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step2/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step2/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step3/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt5/step3/show_ip_route.ref
index 2f7b0cc242..2f7b0cc242 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step3/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step3/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step3/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt5/step3/show_mpls_table.ref
index 7c78d2ce53..7c78d2ce53 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step3/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step3/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step4/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt5/step4/show_ip_route.ref
index 1a12715086..1a12715086 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step4/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step4/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step4/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt5/step4/show_mpls_table.ref
index 42e476e9d1..42e476e9d1 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step4/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step4/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step5/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt5/step5/show_ip_route.ref
index e50fa10ccb..e50fa10ccb 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step5/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step5/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step5/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt5/step5/show_mpls_table.ref
index bb95379228..bb95379228 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step5/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step5/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step6/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt5/step6/show_ip_route.ref
index 1a12715086..1a12715086 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step6/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step6/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step6/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt5/step6/show_mpls_table.ref
index 42e476e9d1..42e476e9d1 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step6/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step6/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step7/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt5/step7/show_ip_route.ref
index 15a024d18b..15a024d18b 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step7/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step7/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step7/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt5/step7/show_mpls_table.ref
index cff0d25e25..cff0d25e25 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step7/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step7/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step8/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt5/step8/show_ip_route.ref
index 1a12715086..1a12715086 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step8/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step8/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step8/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt5/step8/show_mpls_table.ref
index 42e476e9d1..42e476e9d1 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step8/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step8/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step9/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt5/step9/show_ip_route.ref
index d9ddad2462..d9ddad2462 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step9/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step9/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/step9/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt5/step9/show_mpls_table.ref
index c5ed18d76f..c5ed18d76f 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/step9/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt5/step9/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt5/zebra.conf b/tests/topotests/ospf_sr_topo1/rt5/zebra.conf
index ca2d6df665..ca2d6df665 100644
--- a/tests/topotests/ospf-sr-topo1/rt5/zebra.conf
+++ b/tests/topotests/ospf_sr_topo1/rt5/zebra.conf
diff --git a/tests/topotests/ospf-sr-topo1/rt6/ospfd.conf b/tests/topotests/ospf_sr_topo1/rt6/ospfd.conf
index c6d07d169e..c6d07d169e 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/ospfd.conf
+++ b/tests/topotests/ospf_sr_topo1/rt6/ospfd.conf
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step1/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt6/step1/show_ip_route.ref
index 9f05ec7688..9f05ec7688 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step1/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step1/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step1/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt6/step1/show_mpls_table.ref
index baa2314454..baa2314454 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step1/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step1/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step10/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt6/step10/show_ip_route.ref
index 6abb3805a2..6abb3805a2 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step10/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step10/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step10/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt6/step10/show_mpls_table.ref
index 09ecec29d9..09ecec29d9 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step10/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step10/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step2/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt6/step2/show_ip_route.ref
index 80b3c426d4..80b3c426d4 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step2/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step2/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step2/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt6/step2/show_mpls_table.ref
index baa2314454..baa2314454 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step2/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step2/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step3/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt6/step3/show_ip_route.ref
index 2c63c08510..2c63c08510 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step3/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step3/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step3/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt6/step3/show_mpls_table.ref
index 2c63c08510..2c63c08510 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step3/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step3/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step4/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt6/step4/show_ip_route.ref
index 80b3c426d4..80b3c426d4 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step4/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step4/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step4/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt6/step4/show_mpls_table.ref
index 09ecec29d9..09ecec29d9 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step4/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step4/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step5/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt6/step5/show_ip_route.ref
index 0e4b3eba12..0e4b3eba12 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step5/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step5/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step5/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt6/step5/show_mpls_table.ref
index 2c63c08510..2c63c08510 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step5/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step5/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step6/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt6/step6/show_ip_route.ref
index 80b3c426d4..80b3c426d4 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step6/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step6/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step6/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt6/step6/show_mpls_table.ref
index 09ecec29d9..09ecec29d9 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step6/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step6/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step7/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt6/step7/show_ip_route.ref
index aa2329a04a..aa2329a04a 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step7/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step7/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step7/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt6/step7/show_mpls_table.ref
index 800b1ae2fd..800b1ae2fd 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step7/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step7/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step8/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt6/step8/show_ip_route.ref
index 80b3c426d4..80b3c426d4 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step8/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step8/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step8/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt6/step8/show_mpls_table.ref
index 09ecec29d9..09ecec29d9 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step8/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step8/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step9/show_ip_route.ref b/tests/topotests/ospf_sr_topo1/rt6/step9/show_ip_route.ref
index 80b3c426d4..80b3c426d4 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step9/show_ip_route.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step9/show_ip_route.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/step9/show_mpls_table.ref b/tests/topotests/ospf_sr_topo1/rt6/step9/show_mpls_table.ref
index 09ecec29d9..09ecec29d9 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/step9/show_mpls_table.ref
+++ b/tests/topotests/ospf_sr_topo1/rt6/step9/show_mpls_table.ref
diff --git a/tests/topotests/ospf-sr-topo1/rt6/zebra.conf b/tests/topotests/ospf_sr_topo1/rt6/zebra.conf
index 4b739d0bca..4b739d0bca 100644
--- a/tests/topotests/ospf-sr-topo1/rt6/zebra.conf
+++ b/tests/topotests/ospf_sr_topo1/rt6/zebra.conf
diff --git a/tests/topotests/ospf-sr-topo1/test_ospf_sr_topo1.py b/tests/topotests/ospf_sr_topo1/test_ospf_sr_topo1.py
index b6e5e14830..b6e5e14830 100644
--- a/tests/topotests/ospf-sr-topo1/test_ospf_sr_topo1.py
+++ b/tests/topotests/ospf_sr_topo1/test_ospf_sr_topo1.py
diff --git a/tests/topotests/ospf-te-topo1/__init__.py b/tests/topotests/ospf_te_topo1/__init__.py
index e69de29bb2..e69de29bb2 100755
--- a/tests/topotests/ospf-te-topo1/__init__.py
+++ b/tests/topotests/ospf_te_topo1/__init__.py
diff --git a/tests/topotests/ospf-te-topo1/r1/ospfd.conf b/tests/topotests/ospf_te_topo1/r1/ospfd.conf
index 312dd2697e..312dd2697e 100644
--- a/tests/topotests/ospf-te-topo1/r1/ospfd.conf
+++ b/tests/topotests/ospf_te_topo1/r1/ospfd.conf
diff --git a/tests/topotests/ospf-te-topo1/r1/zebra.conf b/tests/topotests/ospf_te_topo1/r1/zebra.conf
index 7c5dc3ffe0..7c5dc3ffe0 100644
--- a/tests/topotests/ospf-te-topo1/r1/zebra.conf
+++ b/tests/topotests/ospf_te_topo1/r1/zebra.conf
diff --git a/tests/topotests/ospf-te-topo1/r2/ospfd.conf b/tests/topotests/ospf_te_topo1/r2/ospfd.conf
index e9c3f65bc2..e9c3f65bc2 100644
--- a/tests/topotests/ospf-te-topo1/r2/ospfd.conf
+++ b/tests/topotests/ospf_te_topo1/r2/ospfd.conf
diff --git a/tests/topotests/ospf-te-topo1/r2/zebra.conf b/tests/topotests/ospf_te_topo1/r2/zebra.conf
index 69e10191f3..69e10191f3 100644
--- a/tests/topotests/ospf-te-topo1/r2/zebra.conf
+++ b/tests/topotests/ospf_te_topo1/r2/zebra.conf
diff --git a/tests/topotests/ospf-te-topo1/r3/ospfd.conf b/tests/topotests/ospf_te_topo1/r3/ospfd.conf
index caa5f1e1eb..caa5f1e1eb 100644
--- a/tests/topotests/ospf-te-topo1/r3/ospfd.conf
+++ b/tests/topotests/ospf_te_topo1/r3/ospfd.conf
diff --git a/tests/topotests/ospf-te-topo1/r3/zebra.conf b/tests/topotests/ospf_te_topo1/r3/zebra.conf
index 4cf9077085..4cf9077085 100644
--- a/tests/topotests/ospf-te-topo1/r3/zebra.conf
+++ b/tests/topotests/ospf_te_topo1/r3/zebra.conf
diff --git a/tests/topotests/ospf-te-topo1/r4/ospfd.conf b/tests/topotests/ospf_te_topo1/r4/ospfd.conf
index e454673153..e454673153 100644
--- a/tests/topotests/ospf-te-topo1/r4/ospfd.conf
+++ b/tests/topotests/ospf_te_topo1/r4/ospfd.conf
diff --git a/tests/topotests/ospf-te-topo1/r4/zebra.conf b/tests/topotests/ospf_te_topo1/r4/zebra.conf
index 18c003b230..18c003b230 100644
--- a/tests/topotests/ospf-te-topo1/r4/zebra.conf
+++ b/tests/topotests/ospf_te_topo1/r4/zebra.conf
diff --git a/tests/topotests/ospf-te-topo1/reference/ted_step1.json b/tests/topotests/ospf_te_topo1/reference/ted_step1.json
index 9624292ccd..9624292ccd 100644
--- a/tests/topotests/ospf-te-topo1/reference/ted_step1.json
+++ b/tests/topotests/ospf_te_topo1/reference/ted_step1.json
diff --git a/tests/topotests/ospf-te-topo1/reference/ted_step2.json b/tests/topotests/ospf_te_topo1/reference/ted_step2.json
index 623d1dc7e0..623d1dc7e0 100644
--- a/tests/topotests/ospf-te-topo1/reference/ted_step2.json
+++ b/tests/topotests/ospf_te_topo1/reference/ted_step2.json
diff --git a/tests/topotests/ospf-te-topo1/reference/ted_step3.json b/tests/topotests/ospf_te_topo1/reference/ted_step3.json
index 117011a43a..117011a43a 100644
--- a/tests/topotests/ospf-te-topo1/reference/ted_step3.json
+++ b/tests/topotests/ospf_te_topo1/reference/ted_step3.json
diff --git a/tests/topotests/ospf-te-topo1/reference/ted_step4.json b/tests/topotests/ospf_te_topo1/reference/ted_step4.json
index 5c2dee1e4b..5c2dee1e4b 100644
--- a/tests/topotests/ospf-te-topo1/reference/ted_step4.json
+++ b/tests/topotests/ospf_te_topo1/reference/ted_step4.json
diff --git a/tests/topotests/ospf-te-topo1/reference/ted_step5.json b/tests/topotests/ospf_te_topo1/reference/ted_step5.json
index 47e747f3ca..47e747f3ca 100644
--- a/tests/topotests/ospf-te-topo1/reference/ted_step5.json
+++ b/tests/topotests/ospf_te_topo1/reference/ted_step5.json
diff --git a/tests/topotests/ospf-te-topo1/reference/ted_step6.json b/tests/topotests/ospf_te_topo1/reference/ted_step6.json
index 74bd83fbdb..74bd83fbdb 100644
--- a/tests/topotests/ospf-te-topo1/reference/ted_step6.json
+++ b/tests/topotests/ospf_te_topo1/reference/ted_step6.json
diff --git a/tests/topotests/ospf-te-topo1/reference/ted_step7.json b/tests/topotests/ospf_te_topo1/reference/ted_step7.json
index 1cea9f0455..1cea9f0455 100644
--- a/tests/topotests/ospf-te-topo1/reference/ted_step7.json
+++ b/tests/topotests/ospf_te_topo1/reference/ted_step7.json
diff --git a/tests/topotests/ospf-te-topo1/test_ospf_te_topo1.py b/tests/topotests/ospf_te_topo1/test_ospf_te_topo1.py
index 32f9b3453e..32f9b3453e 100644
--- a/tests/topotests/ospf-te-topo1/test_ospf_te_topo1.py
+++ b/tests/topotests/ospf_te_topo1/test_ospf_te_topo1.py
diff --git a/tests/topotests/ospf-tilfa-topo1/__init__.py b/tests/topotests/ospf_tilfa_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/ospf-tilfa-topo1/__init__.py
+++ b/tests/topotests/ospf_tilfa_topo1/__init__.py
diff --git a/tests/topotests/ospf-tilfa-topo1/rt1/ospfd.conf b/tests/topotests/ospf_tilfa_topo1/rt1/ospfd.conf
index eaef49225f..eaef49225f 100644
--- a/tests/topotests/ospf-tilfa-topo1/rt1/ospfd.conf
+++ b/tests/topotests/ospf_tilfa_topo1/rt1/ospfd.conf
diff --git a/tests/topotests/ospf-tilfa-topo1/rt1/step1/show_ip_route_initial.ref b/tests/topotests/ospf_tilfa_topo1/rt1/step1/show_ip_route_initial.ref
index 0ad2aaeade..0ad2aaeade 100644
--- a/tests/topotests/ospf-tilfa-topo1/rt1/step1/show_ip_route_initial.ref
+++ b/tests/topotests/ospf_tilfa_topo1/rt1/step1/show_ip_route_initial.ref
diff --git a/tests/topotests/ospf-tilfa-topo1/rt1/step2/show_ip_route_initial.ref b/tests/topotests/ospf_tilfa_topo1/rt1/step2/show_ip_route_initial.ref
index 0ad2aaeade..0ad2aaeade 100644
--- a/tests/topotests/ospf-tilfa-topo1/rt1/step2/show_ip_route_initial.ref
+++ b/tests/topotests/ospf_tilfa_topo1/rt1/step2/show_ip_route_initial.ref
diff --git a/tests/topotests/ospf-tilfa-topo1/rt1/step2/show_ip_route_link_protection.ref b/tests/topotests/ospf_tilfa_topo1/rt1/step2/show_ip_route_link_protection.ref
index 968570e193..968570e193 100644
--- a/tests/topotests/ospf-tilfa-topo1/rt1/step2/show_ip_route_link_protection.ref
+++ b/tests/topotests/ospf_tilfa_topo1/rt1/step2/show_ip_route_link_protection.ref
diff --git a/tests/topotests/ospf-tilfa-topo1/rt1/step3/show_ip_route_initial.ref b/tests/topotests/ospf_tilfa_topo1/rt1/step3/show_ip_route_initial.ref
index 0ad2aaeade..0ad2aaeade 100644
--- a/tests/topotests/ospf-tilfa-topo1/rt1/step3/show_ip_route_initial.ref
+++ b/tests/topotests/ospf_tilfa_topo1/rt1/step3/show_ip_route_initial.ref
diff --git a/tests/topotests/ospf-tilfa-topo1/rt1/step3/show_ip_route_node_protection.ref b/tests/topotests/ospf_tilfa_topo1/rt1/step3/show_ip_route_node_protection.ref
index 46a80d298e..46a80d298e 100644
--- a/tests/topotests/ospf-tilfa-topo1/rt1/step3/show_ip_route_node_protection.ref
+++ b/tests/topotests/ospf_tilfa_topo1/rt1/step3/show_ip_route_node_protection.ref
diff --git a/tests/topotests/ospf-tilfa-topo1/rt1/zebra.conf b/tests/topotests/ospf_tilfa_topo1/rt1/zebra.conf
index bf0e77a17b..bf0e77a17b 100644
--- a/tests/topotests/ospf-tilfa-topo1/rt1/zebra.conf
+++ b/tests/topotests/ospf_tilfa_topo1/rt1/zebra.conf
diff --git a/tests/topotests/ospf-tilfa-topo1/rt2/ospfd.conf b/tests/topotests/ospf_tilfa_topo1/rt2/ospfd.conf
index 7548aad7f8..7548aad7f8 100644
--- a/tests/topotests/ospf-tilfa-topo1/rt2/ospfd.conf
+++ b/tests/topotests/ospf_tilfa_topo1/rt2/ospfd.conf
diff --git a/tests/topotests/ospf-tilfa-topo1/rt2/zebra.conf b/tests/topotests/ospf_tilfa_topo1/rt2/zebra.conf
index add2933571..add2933571 100644
--- a/tests/topotests/ospf-tilfa-topo1/rt2/zebra.conf
+++ b/tests/topotests/ospf_tilfa_topo1/rt2/zebra.conf
diff --git a/tests/topotests/ospf-tilfa-topo1/rt3/ospfd.conf b/tests/topotests/ospf_tilfa_topo1/rt3/ospfd.conf
index 6258295b6f..6258295b6f 100644
--- a/tests/topotests/ospf-tilfa-topo1/rt3/ospfd.conf
+++ b/tests/topotests/ospf_tilfa_topo1/rt3/ospfd.conf
diff --git a/tests/topotests/ospf-tilfa-topo1/rt3/zebra.conf b/tests/topotests/ospf_tilfa_topo1/rt3/zebra.conf
index 1bb64bc585..1bb64bc585 100644
--- a/tests/topotests/ospf-tilfa-topo1/rt3/zebra.conf
+++ b/tests/topotests/ospf_tilfa_topo1/rt3/zebra.conf
diff --git a/tests/topotests/ospf-tilfa-topo1/rt4/ospfd.conf b/tests/topotests/ospf_tilfa_topo1/rt4/ospfd.conf
index ad02214017..ad02214017 100644
--- a/tests/topotests/ospf-tilfa-topo1/rt4/ospfd.conf
+++ b/tests/topotests/ospf_tilfa_topo1/rt4/ospfd.conf
diff --git a/tests/topotests/ospf-tilfa-topo1/rt4/zebra.conf b/tests/topotests/ospf_tilfa_topo1/rt4/zebra.conf
index 306f0d4925..306f0d4925 100644
--- a/tests/topotests/ospf-tilfa-topo1/rt4/zebra.conf
+++ b/tests/topotests/ospf_tilfa_topo1/rt4/zebra.conf
diff --git a/tests/topotests/ospf-tilfa-topo1/rt5/ospfd.conf b/tests/topotests/ospf_tilfa_topo1/rt5/ospfd.conf
index 1b95858f53..1b95858f53 100644
--- a/tests/topotests/ospf-tilfa-topo1/rt5/ospfd.conf
+++ b/tests/topotests/ospf_tilfa_topo1/rt5/ospfd.conf
diff --git a/tests/topotests/ospf-tilfa-topo1/rt5/zebra.conf b/tests/topotests/ospf_tilfa_topo1/rt5/zebra.conf
index 46f759580e..46f759580e 100644
--- a/tests/topotests/ospf-tilfa-topo1/rt5/zebra.conf
+++ b/tests/topotests/ospf_tilfa_topo1/rt5/zebra.conf
diff --git a/tests/topotests/ospf-tilfa-topo1/test_ospf_tilfa_topo1.py b/tests/topotests/ospf_tilfa_topo1/test_ospf_tilfa_topo1.py
index 489690471c..489690471c 100644
--- a/tests/topotests/ospf-tilfa-topo1/test_ospf_tilfa_topo1.py
+++ b/tests/topotests/ospf_tilfa_topo1/test_ospf_tilfa_topo1.py
diff --git a/tests/topotests/ospf-topo1-vrf/__init__.py b/tests/topotests/ospf_topo1/__init__.py
index e69de29bb2..e69de29bb2 100755
--- a/tests/topotests/ospf-topo1-vrf/__init__.py
+++ b/tests/topotests/ospf_topo1/__init__.py
diff --git a/tests/topotests/ospf-topo1/r1/ospf6d.conf b/tests/topotests/ospf_topo1/r1/ospf6d.conf
index ca3497b4a5..ca3497b4a5 100644
--- a/tests/topotests/ospf-topo1/r1/ospf6d.conf
+++ b/tests/topotests/ospf_topo1/r1/ospf6d.conf
diff --git a/tests/topotests/ospf-topo1/r1/ospf6route.txt b/tests/topotests/ospf_topo1/r1/ospf6route.txt
index 1bfd6942ea..1bfd6942ea 100644
--- a/tests/topotests/ospf-topo1/r1/ospf6route.txt
+++ b/tests/topotests/ospf_topo1/r1/ospf6route.txt
diff --git a/tests/topotests/ospf-topo1/r1/ospf6route_down.txt b/tests/topotests/ospf_topo1/r1/ospf6route_down.txt
index 1ce96c86c0..1ce96c86c0 100644
--- a/tests/topotests/ospf-topo1/r1/ospf6route_down.txt
+++ b/tests/topotests/ospf_topo1/r1/ospf6route_down.txt
diff --git a/tests/topotests/ospf-topo1/r1/ospf6route_ecmp.txt b/tests/topotests/ospf_topo1/r1/ospf6route_ecmp.txt
index 4df6e5ec00..4df6e5ec00 100644
--- a/tests/topotests/ospf-topo1/r1/ospf6route_ecmp.txt
+++ b/tests/topotests/ospf_topo1/r1/ospf6route_ecmp.txt
diff --git a/tests/topotests/ospf-topo1/r1/ospfd.conf b/tests/topotests/ospf_topo1/r1/ospfd.conf
index 3b5aa192c5..3b5aa192c5 100644
--- a/tests/topotests/ospf-topo1/r1/ospfd.conf
+++ b/tests/topotests/ospf_topo1/r1/ospfd.conf
diff --git a/tests/topotests/ospf-topo1/r1/ospfroute.txt b/tests/topotests/ospf_topo1/r1/ospfroute.txt
index db648722f5..db648722f5 100644
--- a/tests/topotests/ospf-topo1/r1/ospfroute.txt
+++ b/tests/topotests/ospf_topo1/r1/ospfroute.txt
diff --git a/tests/topotests/ospf-topo1/r1/ospfroute_down.txt b/tests/topotests/ospf_topo1/r1/ospfroute_down.txt
index 5c07d81334..5c07d81334 100644
--- a/tests/topotests/ospf-topo1/r1/ospfroute_down.txt
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diff --git a/tests/topotests/ospf-topo1/r1/zebra.conf b/tests/topotests/ospf_topo1/r1/zebra.conf
index f6e8efe7f2..f6e8efe7f2 100644
--- a/tests/topotests/ospf-topo1/r1/zebra.conf
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diff --git a/tests/topotests/ospf-topo1/r2/ospf6d.conf b/tests/topotests/ospf_topo1/r2/ospf6d.conf
index 44047e1a4e..44047e1a4e 100644
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diff --git a/tests/topotests/ospf-topo1/r2/ospf6route.txt b/tests/topotests/ospf_topo1/r2/ospf6route.txt
index 7d3ce5b207..7d3ce5b207 100644
--- a/tests/topotests/ospf-topo1/r2/ospf6route.txt
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diff --git a/tests/topotests/ospf-topo1/r2/ospf6route_down.txt b/tests/topotests/ospf_topo1/r2/ospf6route_down.txt
index acfffc9f1c..acfffc9f1c 100644
--- a/tests/topotests/ospf-topo1/r2/ospf6route_down.txt
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diff --git a/tests/topotests/ospf-topo1/r2/ospf6route_ecmp.txt b/tests/topotests/ospf_topo1/r2/ospf6route_ecmp.txt
index f58b501e31..f58b501e31 100644
--- a/tests/topotests/ospf-topo1/r2/ospf6route_ecmp.txt
+++ b/tests/topotests/ospf_topo1/r2/ospf6route_ecmp.txt
diff --git a/tests/topotests/ospf-topo1/r2/ospfd.conf b/tests/topotests/ospf_topo1/r2/ospfd.conf
index 1a7ccdf728..1a7ccdf728 100644
--- a/tests/topotests/ospf-topo1/r2/ospfd.conf
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diff --git a/tests/topotests/ospf-topo1/r2/ospfroute.txt b/tests/topotests/ospf_topo1/r2/ospfroute.txt
index 79b389baab..79b389baab 100644
--- a/tests/topotests/ospf-topo1/r2/ospfroute.txt
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diff --git a/tests/topotests/ospf-topo1/r2/ospfroute_down.txt b/tests/topotests/ospf_topo1/r2/ospfroute_down.txt
index b8411e19f3..b8411e19f3 100644
--- a/tests/topotests/ospf-topo1/r2/ospfroute_down.txt
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diff --git a/tests/topotests/ospf-topo1/r2/zebra.conf b/tests/topotests/ospf_topo1/r2/zebra.conf
index 407416cdc4..407416cdc4 100644
--- a/tests/topotests/ospf-topo1/r2/zebra.conf
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diff --git a/tests/topotests/ospf-topo1/r3/ospf6d.conf b/tests/topotests/ospf_topo1/r3/ospf6d.conf
index 13ad9a7356..13ad9a7356 100644
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diff --git a/tests/topotests/ospf-topo1/r3/ospf6route.txt b/tests/topotests/ospf_topo1/r3/ospf6route.txt
index b123c42650..b123c42650 100644
--- a/tests/topotests/ospf-topo1/r3/ospf6route.txt
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diff --git a/tests/topotests/ospf-topo1/r3/ospf6route_down.txt b/tests/topotests/ospf_topo1/r3/ospf6route_down.txt
index ed69a8376b..ed69a8376b 100644
--- a/tests/topotests/ospf-topo1/r3/ospf6route_down.txt
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diff --git a/tests/topotests/ospf-topo1/r3/ospf6route_ecmp.txt b/tests/topotests/ospf_topo1/r3/ospf6route_ecmp.txt
index 54e575adcb..54e575adcb 100644
--- a/tests/topotests/ospf-topo1/r3/ospf6route_ecmp.txt
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diff --git a/tests/topotests/ospf-topo1/r3/ospfd.conf b/tests/topotests/ospf_topo1/r3/ospfd.conf
index 3b378c0f27..3b378c0f27 100644
--- a/tests/topotests/ospf-topo1/r3/ospfd.conf
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diff --git a/tests/topotests/ospf-topo1/r3/ospfroute.txt b/tests/topotests/ospf_topo1/r3/ospfroute.txt
index c7799065d9..c7799065d9 100644
--- a/tests/topotests/ospf-topo1/r3/ospfroute.txt
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diff --git a/tests/topotests/ospf-topo1/r3/ospfroute_down.txt b/tests/topotests/ospf_topo1/r3/ospfroute_down.txt
index 692a74aa6c..692a74aa6c 100644
--- a/tests/topotests/ospf-topo1/r3/ospfroute_down.txt
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diff --git a/tests/topotests/ospf-topo1/r3/zebra.conf b/tests/topotests/ospf_topo1/r3/zebra.conf
index a635a889bb..a635a889bb 100644
--- a/tests/topotests/ospf-topo1/r3/zebra.conf
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diff --git a/tests/topotests/ospf-topo1/r4/ospf6d.conf b/tests/topotests/ospf_topo1/r4/ospf6d.conf
index f9bde0e83c..f9bde0e83c 100644
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diff --git a/tests/topotests/ospf-topo1/r4/ospf6route.txt b/tests/topotests/ospf_topo1/r4/ospf6route.txt
index ceeee2cac8..ceeee2cac8 100644
--- a/tests/topotests/ospf-topo1/r4/ospf6route.txt
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diff --git a/tests/topotests/ospf-topo1/r4/ospf6route_down.txt b/tests/topotests/ospf_topo1/r4/ospf6route_down.txt
index 4ad636dd98..4ad636dd98 100644
--- a/tests/topotests/ospf-topo1/r4/ospf6route_down.txt
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diff --git a/tests/topotests/ospf-topo1/r4/ospf6route_ecmp.txt b/tests/topotests/ospf_topo1/r4/ospf6route_ecmp.txt
index b5cb10b72b..b5cb10b72b 100644
--- a/tests/topotests/ospf-topo1/r4/ospf6route_ecmp.txt
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diff --git a/tests/topotests/ospf-topo1/r4/ospfd.conf b/tests/topotests/ospf_topo1/r4/ospfd.conf
index 52d29322f8..52d29322f8 100644
--- a/tests/topotests/ospf-topo1/r4/ospfd.conf
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diff --git a/tests/topotests/ospf-topo1/r4/ospfroute.txt b/tests/topotests/ospf_topo1/r4/ospfroute.txt
index b582ef043b..b582ef043b 100644
--- a/tests/topotests/ospf-topo1/r4/ospfroute.txt
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diff --git a/tests/topotests/ospf-topo1/r4/ospfroute_down.txt b/tests/topotests/ospf_topo1/r4/ospfroute_down.txt
index b0bd0eec78..b0bd0eec78 100644
--- a/tests/topotests/ospf-topo1/r4/ospfroute_down.txt
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diff --git a/tests/topotests/ospf-topo1/r4/zebra.conf b/tests/topotests/ospf_topo1/r4/zebra.conf
index 39ecbb2401..39ecbb2401 100644
--- a/tests/topotests/ospf-topo1/r4/zebra.conf
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diff --git a/tests/topotests/ospf-topo1/test_ospf_topo1.dot b/tests/topotests/ospf_topo1/test_ospf_topo1.dot
index 469a7ea792..469a7ea792 100644
--- a/tests/topotests/ospf-topo1/test_ospf_topo1.dot
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diff --git a/tests/topotests/ospf-topo1/test_ospf_topo1.jpg b/tests/topotests/ospf_topo1/test_ospf_topo1.jpg
index 1e931709e0..1e931709e0 100644
--- a/tests/topotests/ospf-topo1/test_ospf_topo1.jpg
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diff --git a/tests/topotests/ospf-topo1/test_ospf_topo1.py b/tests/topotests/ospf_topo1/test_ospf_topo1.py
index 42634ce906..42634ce906 100644
--- a/tests/topotests/ospf-topo1/test_ospf_topo1.py
+++ b/tests/topotests/ospf_topo1/test_ospf_topo1.py
diff --git a/tests/topotests/ospf-topo1/__init__.py b/tests/topotests/ospf_topo1_vrf/__init__.py
index e69de29bb2..e69de29bb2 100755
--- a/tests/topotests/ospf-topo1/__init__.py
+++ b/tests/topotests/ospf_topo1_vrf/__init__.py
diff --git a/tests/topotests/ospf-topo1-vrf/r1/ospfd.conf b/tests/topotests/ospf_topo1_vrf/r1/ospfd.conf
index 9a68635568..9a68635568 100644
--- a/tests/topotests/ospf-topo1-vrf/r1/ospfd.conf
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diff --git a/tests/topotests/ospf-topo1-vrf/r1/ospfroute.txt b/tests/topotests/ospf_topo1_vrf/r1/ospfroute.txt
index 134a10a454..134a10a454 100644
--- a/tests/topotests/ospf-topo1-vrf/r1/ospfroute.txt
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diff --git a/tests/topotests/ospf-topo1-vrf/r1/ospfroute_down.txt b/tests/topotests/ospf_topo1_vrf/r1/ospfroute_down.txt
index 083d77126c..083d77126c 100644
--- a/tests/topotests/ospf-topo1-vrf/r1/ospfroute_down.txt
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diff --git a/tests/topotests/ospf-topo1-vrf/r1/zebra.conf b/tests/topotests/ospf_topo1_vrf/r1/zebra.conf
index e826793657..e826793657 100644
--- a/tests/topotests/ospf-topo1-vrf/r1/zebra.conf
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diff --git a/tests/topotests/ospf-topo1-vrf/r1/zebraroute.txt b/tests/topotests/ospf_topo1_vrf/r1/zebraroute.txt
index d72aa3b8e5..d72aa3b8e5 100644
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diff --git a/tests/topotests/ospf-topo1-vrf/r1/zebraroutedown.txt b/tests/topotests/ospf_topo1_vrf/r1/zebraroutedown.txt
index 5ea6bdc04d..5ea6bdc04d 100644
--- a/tests/topotests/ospf-topo1-vrf/r1/zebraroutedown.txt
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diff --git a/tests/topotests/ospf-topo1-vrf/r2/ospfd.conf b/tests/topotests/ospf_topo1_vrf/r2/ospfd.conf
index ad481a996d..ad481a996d 100644
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diff --git a/tests/topotests/ospf-topo1-vrf/r2/ospfroute.txt b/tests/topotests/ospf_topo1_vrf/r2/ospfroute.txt
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diff --git a/tests/topotests/ospf-topo1-vrf/r2/ospfroute_down.txt b/tests/topotests/ospf_topo1_vrf/r2/ospfroute_down.txt
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--- a/tests/topotests/ospf-topo1-vrf/r2/ospfroute_down.txt
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diff --git a/tests/topotests/ospf-topo1-vrf/r2/zebra.conf b/tests/topotests/ospf_topo1_vrf/r2/zebra.conf
index 8dcb713da6..8dcb713da6 100644
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diff --git a/tests/topotests/ospf-topo1-vrf/r2/zebraroute.txt b/tests/topotests/ospf_topo1_vrf/r2/zebraroute.txt
index ce5e5f3bab..ce5e5f3bab 100644
--- a/tests/topotests/ospf-topo1-vrf/r2/zebraroute.txt
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diff --git a/tests/topotests/ospf-topo1-vrf/r2/zebraroutedown.txt b/tests/topotests/ospf_topo1_vrf/r2/zebraroutedown.txt
index 157811ec77..157811ec77 100644
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diff --git a/tests/topotests/ospf-topo1-vrf/r3/ospfd.conf b/tests/topotests/ospf_topo1_vrf/r3/ospfd.conf
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diff --git a/tests/topotests/ospf-topo1-vrf/r3/ospfroute.txt b/tests/topotests/ospf_topo1_vrf/r3/ospfroute.txt
index 3b16bfbd55..3b16bfbd55 100644
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diff --git a/tests/topotests/ospf-topo1-vrf/r3/ospfroute_down.txt b/tests/topotests/ospf_topo1_vrf/r3/ospfroute_down.txt
index 39beac7a73..39beac7a73 100644
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diff --git a/tests/topotests/ospf-topo1-vrf/r3/zebra.conf b/tests/topotests/ospf_topo1_vrf/r3/zebra.conf
index b548694330..b548694330 100644
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diff --git a/tests/topotests/ospf-topo1-vrf/r3/zebraroute.txt b/tests/topotests/ospf_topo1_vrf/r3/zebraroute.txt
index f40b7b09af..f40b7b09af 100644
--- a/tests/topotests/ospf-topo1-vrf/r3/zebraroute.txt
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diff --git a/tests/topotests/ospf-topo1-vrf/r3/zebraroutedown.txt b/tests/topotests/ospf_topo1_vrf/r3/zebraroutedown.txt
index 89cd6f56c4..89cd6f56c4 100644
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diff --git a/tests/topotests/ospf-topo1-vrf/test_ospf_topo1-vrf.dot b/tests/topotests/ospf_topo1_vrf/test_ospf_topo1-vrf.dot
index 789fdd7c09..789fdd7c09 100644
--- a/tests/topotests/ospf-topo1-vrf/test_ospf_topo1-vrf.dot
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diff --git a/tests/topotests/ospf-topo1-vrf/test_ospf_topo1_vrf.jpg b/tests/topotests/ospf_topo1_vrf/test_ospf_topo1_vrf.jpg
index 85f2e52f8e..85f2e52f8e 100644
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diff --git a/tests/topotests/ospf-topo1-vrf/test_ospf_topo1_vrf.py b/tests/topotests/ospf_topo1_vrf/test_ospf_topo1_vrf.py
index e2cb7bff03..e2cb7bff03 100644
--- a/tests/topotests/ospf-topo1-vrf/test_ospf_topo1_vrf.py
+++ b/tests/topotests/ospf_topo1_vrf/test_ospf_topo1_vrf.py
diff --git a/tests/topotests/ospf-topo2/r1/ospf-route.json b/tests/topotests/ospf_topo2/r1/ospf-route.json
index 6beb7e9bed..6beb7e9bed 100644
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diff --git a/tests/topotests/ospf-topo2/r1/ospfd.conf b/tests/topotests/ospf_topo2/r1/ospfd.conf
index 65843cbb83..65843cbb83 100644
--- a/tests/topotests/ospf-topo2/r1/ospfd.conf
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diff --git a/tests/topotests/ospf-topo2/r1/v4_route.json b/tests/topotests/ospf_topo2/r1/v4_route.json
index 76c6396169..76c6396169 100644
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diff --git a/tests/topotests/ospf-topo2/r1/zebra.conf b/tests/topotests/ospf_topo2/r1/zebra.conf
index d96d9707c1..d96d9707c1 100644
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diff --git a/tests/topotests/ospf-topo2/r2/ospf-route.json b/tests/topotests/ospf_topo2/r2/ospf-route.json
index 3cfd255bfd..3cfd255bfd 100644
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diff --git a/tests/topotests/ospf-topo2/r2/ospfd.conf b/tests/topotests/ospf_topo2/r2/ospfd.conf
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diff --git a/tests/topotests/ospf-topo2/r2/v4_route.json b/tests/topotests/ospf_topo2/r2/v4_route.json
index 1638536388..1638536388 100644
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diff --git a/tests/topotests/ospf-topo2/r2/zebra.conf b/tests/topotests/ospf_topo2/r2/zebra.conf
index f9dd2c4471..f9dd2c4471 100644
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diff --git a/tests/topotests/ospf-topo2/test_ospf_topo2.py b/tests/topotests/ospf_topo2/test_ospf_topo2.py
index 6451f5fb32..6451f5fb32 100644
--- a/tests/topotests/ospf-topo2/test_ospf_topo2.py
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diff --git a/tests/topotests/pbr-topo1/__init__.py b/tests/topotests/pbr_topo1/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/pbr-topo1/__init__.py
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diff --git a/tests/topotests/pbr-topo1/r1/linux-rules.json b/tests/topotests/pbr_topo1/r1/linux-rules.json
index 5af4363418..5af4363418 100644
--- a/tests/topotests/pbr-topo1/r1/linux-rules.json
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diff --git a/tests/topotests/pbr-topo1/r1/pbr-interface.json b/tests/topotests/pbr_topo1/r1/pbr-interface.json
index e28d9fb149..e28d9fb149 100644
--- a/tests/topotests/pbr-topo1/r1/pbr-interface.json
+++ b/tests/topotests/pbr_topo1/r1/pbr-interface.json
diff --git a/tests/topotests/pbr-topo1/r1/pbr-map.json b/tests/topotests/pbr_topo1/r1/pbr-map.json
index bfa0ecb849..bfa0ecb849 100644
--- a/tests/topotests/pbr-topo1/r1/pbr-map.json
+++ b/tests/topotests/pbr_topo1/r1/pbr-map.json
diff --git a/tests/topotests/pbr-topo1/r1/pbr-nexthop-groups.json b/tests/topotests/pbr_topo1/r1/pbr-nexthop-groups.json
index 540ea28158..540ea28158 100644
--- a/tests/topotests/pbr-topo1/r1/pbr-nexthop-groups.json
+++ b/tests/topotests/pbr_topo1/r1/pbr-nexthop-groups.json
diff --git a/tests/topotests/pbr-topo1/r1/pbrd.conf b/tests/topotests/pbr_topo1/r1/pbrd.conf
index 45cb7656ab..45cb7656ab 100644
--- a/tests/topotests/pbr-topo1/r1/pbrd.conf
+++ b/tests/topotests/pbr_topo1/r1/pbrd.conf
diff --git a/tests/topotests/pbr-topo1/r1/zebra.conf b/tests/topotests/pbr_topo1/r1/zebra.conf
index 2ec947c275..2ec947c275 100644
--- a/tests/topotests/pbr-topo1/r1/zebra.conf
+++ b/tests/topotests/pbr_topo1/r1/zebra.conf
diff --git a/tests/topotests/pbr-topo1/test_pbr_topo1.py b/tests/topotests/pbr_topo1/test_pbr_topo1.py
index 1a024063b8..1a024063b8 100644
--- a/tests/topotests/pbr-topo1/test_pbr_topo1.py
+++ b/tests/topotests/pbr_topo1/test_pbr_topo1.py
diff --git a/tests/topotests/pim-basic/mcast-rx.py b/tests/topotests/pim_basic/mcast-rx.py
index 862ad46af4..862ad46af4 100755
--- a/tests/topotests/pim-basic/mcast-rx.py
+++ b/tests/topotests/pim_basic/mcast-rx.py
diff --git a/tests/topotests/pim-basic/mcast-tx.py b/tests/topotests/pim_basic/mcast-tx.py
index 87038ad5cf..87038ad5cf 100755
--- a/tests/topotests/pim-basic/mcast-tx.py
+++ b/tests/topotests/pim_basic/mcast-tx.py
diff --git a/tests/topotests/pim-basic/r1/bgpd.conf b/tests/topotests/pim_basic/r1/bgpd.conf
index 84d9598bc6..84d9598bc6 100644
--- a/tests/topotests/pim-basic/r1/bgpd.conf
+++ b/tests/topotests/pim_basic/r1/bgpd.conf
diff --git a/tests/topotests/pim-basic/r1/pimd.conf b/tests/topotests/pim_basic/r1/pimd.conf
index f64a46deb3..f64a46deb3 100644
--- a/tests/topotests/pim-basic/r1/pimd.conf
+++ b/tests/topotests/pim_basic/r1/pimd.conf
diff --git a/tests/topotests/pim-basic/r1/rp-info.json b/tests/topotests/pim_basic/r1/rp-info.json
index 1f713c2d28..1f713c2d28 100644
--- a/tests/topotests/pim-basic/r1/rp-info.json
+++ b/tests/topotests/pim_basic/r1/rp-info.json
diff --git a/tests/topotests/pim-basic/r1/zebra.conf b/tests/topotests/pim_basic/r1/zebra.conf
index e43041758b..e43041758b 100644
--- a/tests/topotests/pim-basic/r1/zebra.conf
+++ b/tests/topotests/pim_basic/r1/zebra.conf
diff --git a/tests/topotests/pim-basic/r2/pimd.conf b/tests/topotests/pim_basic/r2/pimd.conf
index 932cff6f3b..932cff6f3b 100644
--- a/tests/topotests/pim-basic/r2/pimd.conf
+++ b/tests/topotests/pim_basic/r2/pimd.conf
diff --git a/tests/topotests/pim-basic/r2/zebra.conf b/tests/topotests/pim_basic/r2/zebra.conf
index cb30858f58..cb30858f58 100644
--- a/tests/topotests/pim-basic/r2/zebra.conf
+++ b/tests/topotests/pim_basic/r2/zebra.conf
diff --git a/tests/topotests/pim-basic/r3/pimd.conf b/tests/topotests/pim_basic/r3/pimd.conf
index f94ee99930..f94ee99930 100644
--- a/tests/topotests/pim-basic/r3/pimd.conf
+++ b/tests/topotests/pim_basic/r3/pimd.conf
diff --git a/tests/topotests/pim-basic/r3/zebra.conf b/tests/topotests/pim_basic/r3/zebra.conf
index 8e58e8c66a..8e58e8c66a 100644
--- a/tests/topotests/pim-basic/r3/zebra.conf
+++ b/tests/topotests/pim_basic/r3/zebra.conf
diff --git a/tests/topotests/pim-basic/rp/bgpd.conf b/tests/topotests/pim_basic/rp/bgpd.conf
index 1bfae6059b..1bfae6059b 100644
--- a/tests/topotests/pim-basic/rp/bgpd.conf
+++ b/tests/topotests/pim_basic/rp/bgpd.conf
diff --git a/tests/topotests/pim-basic/rp/pimd.conf b/tests/topotests/pim_basic/rp/pimd.conf
index 6e35c97971..6e35c97971 100644
--- a/tests/topotests/pim-basic/rp/pimd.conf
+++ b/tests/topotests/pim_basic/rp/pimd.conf
diff --git a/tests/topotests/pim-basic/rp/upstream.json b/tests/topotests/pim_basic/rp/upstream.json
index c33dea49e9..c33dea49e9 100644
--- a/tests/topotests/pim-basic/rp/upstream.json
+++ b/tests/topotests/pim_basic/rp/upstream.json
diff --git a/tests/topotests/pim-basic/rp/zebra.conf b/tests/topotests/pim_basic/rp/zebra.conf
index 0a1359ecd0..0a1359ecd0 100644
--- a/tests/topotests/pim-basic/rp/zebra.conf
+++ b/tests/topotests/pim_basic/rp/zebra.conf
diff --git a/tests/topotests/pim-basic/test_pim.py b/tests/topotests/pim_basic/test_pim.py
index 4debbeb851..4debbeb851 100644
--- a/tests/topotests/pim-basic/test_pim.py
+++ b/tests/topotests/pim_basic/test_pim.py
diff --git a/tests/topotests/pim-basic-topo2/__init__.py b/tests/topotests/pim_basic_topo2/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/pim-basic-topo2/__init__.py
+++ b/tests/topotests/pim_basic_topo2/__init__.py
diff --git a/tests/topotests/pim-basic-topo2/r1/bfdd.conf b/tests/topotests/pim_basic_topo2/r1/bfdd.conf
index 76c6f82190..76c6f82190 100644
--- a/tests/topotests/pim-basic-topo2/r1/bfdd.conf
+++ b/tests/topotests/pim_basic_topo2/r1/bfdd.conf
diff --git a/tests/topotests/pim-basic-topo2/r1/pimd.conf b/tests/topotests/pim_basic_topo2/r1/pimd.conf
index b895d7d573..b895d7d573 100644
--- a/tests/topotests/pim-basic-topo2/r1/pimd.conf
+++ b/tests/topotests/pim_basic_topo2/r1/pimd.conf
diff --git a/tests/topotests/pim-basic-topo2/r1/zebra.conf b/tests/topotests/pim_basic_topo2/r1/zebra.conf
index 6bf02a3ee8..6bf02a3ee8 100644
--- a/tests/topotests/pim-basic-topo2/r1/zebra.conf
+++ b/tests/topotests/pim_basic_topo2/r1/zebra.conf
diff --git a/tests/topotests/pim-basic-topo2/r2/bfdd.conf b/tests/topotests/pim_basic_topo2/r2/bfdd.conf
index ca61e467dc..ca61e467dc 100644
--- a/tests/topotests/pim-basic-topo2/r2/bfdd.conf
+++ b/tests/topotests/pim_basic_topo2/r2/bfdd.conf
diff --git a/tests/topotests/pim-basic-topo2/r2/pimd.conf b/tests/topotests/pim_basic_topo2/r2/pimd.conf
index 0b32ded19a..0b32ded19a 100644
--- a/tests/topotests/pim-basic-topo2/r2/pimd.conf
+++ b/tests/topotests/pim_basic_topo2/r2/pimd.conf
diff --git a/tests/topotests/pim-basic-topo2/r2/zebra.conf b/tests/topotests/pim_basic_topo2/r2/zebra.conf
index 3ceb5f0fc2..3ceb5f0fc2 100644
--- a/tests/topotests/pim-basic-topo2/r2/zebra.conf
+++ b/tests/topotests/pim_basic_topo2/r2/zebra.conf
diff --git a/tests/topotests/pim-basic-topo2/r3/bfdd.conf b/tests/topotests/pim_basic_topo2/r3/bfdd.conf
index ca61e467dc..ca61e467dc 100644
--- a/tests/topotests/pim-basic-topo2/r3/bfdd.conf
+++ b/tests/topotests/pim_basic_topo2/r3/bfdd.conf
diff --git a/tests/topotests/pim-basic-topo2/r3/pimd.conf b/tests/topotests/pim_basic_topo2/r3/pimd.conf
index 691a28ea27..691a28ea27 100644
--- a/tests/topotests/pim-basic-topo2/r3/pimd.conf
+++ b/tests/topotests/pim_basic_topo2/r3/pimd.conf
diff --git a/tests/topotests/pim-basic-topo2/r3/zebra.conf b/tests/topotests/pim_basic_topo2/r3/zebra.conf
index 3df218ee16..3df218ee16 100644
--- a/tests/topotests/pim-basic-topo2/r3/zebra.conf
+++ b/tests/topotests/pim_basic_topo2/r3/zebra.conf
diff --git a/tests/topotests/pim-basic-topo2/r4/bfdd.conf b/tests/topotests/pim_basic_topo2/r4/bfdd.conf
index ca61e467dc..ca61e467dc 100644
--- a/tests/topotests/pim-basic-topo2/r4/bfdd.conf
+++ b/tests/topotests/pim_basic_topo2/r4/bfdd.conf
diff --git a/tests/topotests/pim-basic-topo2/r4/pimd.conf b/tests/topotests/pim_basic_topo2/r4/pimd.conf
index 2277b3e1f1..2277b3e1f1 100644
--- a/tests/topotests/pim-basic-topo2/r4/pimd.conf
+++ b/tests/topotests/pim_basic_topo2/r4/pimd.conf
diff --git a/tests/topotests/pim-basic-topo2/r4/zebra.conf b/tests/topotests/pim_basic_topo2/r4/zebra.conf
index 6ac5c78fc3..6ac5c78fc3 100644
--- a/tests/topotests/pim-basic-topo2/r4/zebra.conf
+++ b/tests/topotests/pim_basic_topo2/r4/zebra.conf
diff --git a/tests/topotests/pim-basic-topo2/test_pim_basic_topo2.dot b/tests/topotests/pim_basic_topo2/test_pim_basic_topo2.dot
index 22fce27e22..22fce27e22 100644
--- a/tests/topotests/pim-basic-topo2/test_pim_basic_topo2.dot
+++ b/tests/topotests/pim_basic_topo2/test_pim_basic_topo2.dot
diff --git a/tests/topotests/pim-basic-topo2/test_pim_basic_topo2.png b/tests/topotests/pim_basic_topo2/test_pim_basic_topo2.png
index 39139a35b1..39139a35b1 100644
--- a/tests/topotests/pim-basic-topo2/test_pim_basic_topo2.png
+++ b/tests/topotests/pim_basic_topo2/test_pim_basic_topo2.png
diff --git a/tests/topotests/pim-basic-topo2/test_pim_basic_topo2.py b/tests/topotests/pim_basic_topo2/test_pim_basic_topo2.py
index 883125cfc7..883125cfc7 100644
--- a/tests/topotests/pim-basic-topo2/test_pim_basic_topo2.py
+++ b/tests/topotests/pim_basic_topo2/test_pim_basic_topo2.py
diff --git a/tests/topotests/pytest.ini b/tests/topotests/pytest.ini
index 562e754f21..885c249b31 100644
--- a/tests/topotests/pytest.ini
+++ b/tests/topotests/pytest.ini
@@ -1,6 +1,6 @@
 # Skip pytests example directory
 [pytest]
-norecursedirs = .git example-test example-topojson-test lib docker
+norecursedirs = .git example_test example_topojson_test lib docker
 
 # Markers
 #
diff --git a/tests/topotests/rip-topo1/r1/rip_status.ref b/tests/topotests/rip_topo1/r1/rip_status.ref
index 31ad46ab2e..31ad46ab2e 100644
--- a/tests/topotests/rip-topo1/r1/rip_status.ref
+++ b/tests/topotests/rip_topo1/r1/rip_status.ref
diff --git a/tests/topotests/rip-topo1/r1/ripd.conf b/tests/topotests/rip_topo1/r1/ripd.conf
index 54f1774214..54f1774214 100644
--- a/tests/topotests/rip-topo1/r1/ripd.conf
+++ b/tests/topotests/rip_topo1/r1/ripd.conf
diff --git a/tests/topotests/rip-topo1/r1/show_ip_rip.ref b/tests/topotests/rip_topo1/r1/show_ip_rip.ref
index a0b77c886e..a0b77c886e 100644
--- a/tests/topotests/rip-topo1/r1/show_ip_rip.ref
+++ b/tests/topotests/rip_topo1/r1/show_ip_rip.ref
diff --git a/tests/topotests/rip-topo1/r1/show_ip_route.ref b/tests/topotests/rip_topo1/r1/show_ip_route.ref
index 2ff26045aa..2ff26045aa 100644
--- a/tests/topotests/rip-topo1/r1/show_ip_route.ref
+++ b/tests/topotests/rip_topo1/r1/show_ip_route.ref
diff --git a/tests/topotests/rip-topo1/r1/zebra.conf b/tests/topotests/rip_topo1/r1/zebra.conf
index 7c8f2c502b..7c8f2c502b 100644
--- a/tests/topotests/rip-topo1/r1/zebra.conf
+++ b/tests/topotests/rip_topo1/r1/zebra.conf
diff --git a/tests/topotests/rip-topo1/r2/rip_status.ref b/tests/topotests/rip_topo1/r2/rip_status.ref
index 99841a62b0..99841a62b0 100644
--- a/tests/topotests/rip-topo1/r2/rip_status.ref
+++ b/tests/topotests/rip_topo1/r2/rip_status.ref
diff --git a/tests/topotests/rip-topo1/r2/ripd.conf b/tests/topotests/rip_topo1/r2/ripd.conf
index 2e94cfa262..2e94cfa262 100644
--- a/tests/topotests/rip-topo1/r2/ripd.conf
+++ b/tests/topotests/rip_topo1/r2/ripd.conf
diff --git a/tests/topotests/rip-topo1/r2/show_ip_rip.ref b/tests/topotests/rip_topo1/r2/show_ip_rip.ref
index b61fb45eac..b61fb45eac 100644
--- a/tests/topotests/rip-topo1/r2/show_ip_rip.ref
+++ b/tests/topotests/rip_topo1/r2/show_ip_rip.ref
diff --git a/tests/topotests/rip-topo1/r2/show_ip_route.ref b/tests/topotests/rip_topo1/r2/show_ip_route.ref
index 80f51a92c7..80f51a92c7 100644
--- a/tests/topotests/rip-topo1/r2/show_ip_route.ref
+++ b/tests/topotests/rip_topo1/r2/show_ip_route.ref
diff --git a/tests/topotests/rip-topo1/r2/zebra.conf b/tests/topotests/rip_topo1/r2/zebra.conf
index c440f3a350..c440f3a350 100644
--- a/tests/topotests/rip-topo1/r2/zebra.conf
+++ b/tests/topotests/rip_topo1/r2/zebra.conf
diff --git a/tests/topotests/rip-topo1/r3/rip_status.ref b/tests/topotests/rip_topo1/r3/rip_status.ref
index 040d3c32a1..040d3c32a1 100644
--- a/tests/topotests/rip-topo1/r3/rip_status.ref
+++ b/tests/topotests/rip_topo1/r3/rip_status.ref
diff --git a/tests/topotests/rip-topo1/r3/ripd.conf b/tests/topotests/rip_topo1/r3/ripd.conf
index e27e67503f..e27e67503f 100644
--- a/tests/topotests/rip-topo1/r3/ripd.conf
+++ b/tests/topotests/rip_topo1/r3/ripd.conf
diff --git a/tests/topotests/rip-topo1/r3/show_ip_rip.ref b/tests/topotests/rip_topo1/r3/show_ip_rip.ref
index 1df299b5e6..1df299b5e6 100644
--- a/tests/topotests/rip-topo1/r3/show_ip_rip.ref
+++ b/tests/topotests/rip_topo1/r3/show_ip_rip.ref
diff --git a/tests/topotests/rip-topo1/r3/show_ip_route.ref b/tests/topotests/rip_topo1/r3/show_ip_route.ref
index 2b739f0489..2b739f0489 100644
--- a/tests/topotests/rip-topo1/r3/show_ip_route.ref
+++ b/tests/topotests/rip_topo1/r3/show_ip_route.ref
diff --git a/tests/topotests/rip-topo1/r3/zebra.conf b/tests/topotests/rip_topo1/r3/zebra.conf
index 7f145b4583..7f145b4583 100644
--- a/tests/topotests/rip-topo1/r3/zebra.conf
+++ b/tests/topotests/rip_topo1/r3/zebra.conf
diff --git a/tests/topotests/rip-topo1/test_rip_topo1.dot b/tests/topotests/rip_topo1/test_rip_topo1.dot
index f052b697ea..f052b697ea 100644
--- a/tests/topotests/rip-topo1/test_rip_topo1.dot
+++ b/tests/topotests/rip_topo1/test_rip_topo1.dot
diff --git a/tests/topotests/rip-topo1/test_rip_topo1.pdf b/tests/topotests/rip_topo1/test_rip_topo1.pdf
index c201ac1f07..c201ac1f07 100644
--- a/tests/topotests/rip-topo1/test_rip_topo1.pdf
+++ b/tests/topotests/rip_topo1/test_rip_topo1.pdf
diff --git a/tests/topotests/rip-topo1/test_rip_topo1.py b/tests/topotests/rip_topo1/test_rip_topo1.py
index 78672ac871..78672ac871 100644
--- a/tests/topotests/rip-topo1/test_rip_topo1.py
+++ b/tests/topotests/rip_topo1/test_rip_topo1.py
diff --git a/tests/topotests/ripng-topo1/r1/ripng_status.ref b/tests/topotests/ripng_topo1/r1/ripng_status.ref
index b02cc69d0e..b02cc69d0e 100644
--- a/tests/topotests/ripng-topo1/r1/ripng_status.ref
+++ b/tests/topotests/ripng_topo1/r1/ripng_status.ref
diff --git a/tests/topotests/ripng-topo1/r1/ripngd.conf b/tests/topotests/ripng_topo1/r1/ripngd.conf
index 07ed7296d9..07ed7296d9 100644
--- a/tests/topotests/ripng-topo1/r1/ripngd.conf
+++ b/tests/topotests/ripng_topo1/r1/ripngd.conf
diff --git a/tests/topotests/ripng-topo1/r1/show_ipv6_ripng.ref b/tests/topotests/ripng_topo1/r1/show_ipv6_ripng.ref
index 30d0f31e18..30d0f31e18 100644
--- a/tests/topotests/ripng-topo1/r1/show_ipv6_ripng.ref
+++ b/tests/topotests/ripng_topo1/r1/show_ipv6_ripng.ref
diff --git a/tests/topotests/ripng-topo1/r1/show_ipv6_route.ref b/tests/topotests/ripng_topo1/r1/show_ipv6_route.ref
index 55fbbc34f3..55fbbc34f3 100644
--- a/tests/topotests/ripng-topo1/r1/show_ipv6_route.ref
+++ b/tests/topotests/ripng_topo1/r1/show_ipv6_route.ref
diff --git a/tests/topotests/ripng-topo1/r1/zebra.conf b/tests/topotests/ripng_topo1/r1/zebra.conf
index 11c1cdc5b9..11c1cdc5b9 100644
--- a/tests/topotests/ripng-topo1/r1/zebra.conf
+++ b/tests/topotests/ripng_topo1/r1/zebra.conf
diff --git a/tests/topotests/ripng-topo1/r2/ripng_status.ref b/tests/topotests/ripng_topo1/r2/ripng_status.ref
index 640df9a4a0..640df9a4a0 100644
--- a/tests/topotests/ripng-topo1/r2/ripng_status.ref
+++ b/tests/topotests/ripng_topo1/r2/ripng_status.ref
diff --git a/tests/topotests/ripng-topo1/r2/ripngd.conf b/tests/topotests/ripng_topo1/r2/ripngd.conf
index ef2c42195d..ef2c42195d 100644
--- a/tests/topotests/ripng-topo1/r2/ripngd.conf
+++ b/tests/topotests/ripng_topo1/r2/ripngd.conf
diff --git a/tests/topotests/ripng-topo1/r2/show_ipv6_ripng.ref b/tests/topotests/ripng_topo1/r2/show_ipv6_ripng.ref
index fe5bcc8b31..fe5bcc8b31 100644
--- a/tests/topotests/ripng-topo1/r2/show_ipv6_ripng.ref
+++ b/tests/topotests/ripng_topo1/r2/show_ipv6_ripng.ref
diff --git a/tests/topotests/ripng-topo1/r2/show_ipv6_route.ref b/tests/topotests/ripng_topo1/r2/show_ipv6_route.ref
index 72e1f926a2..72e1f926a2 100644
--- a/tests/topotests/ripng-topo1/r2/show_ipv6_route.ref
+++ b/tests/topotests/ripng_topo1/r2/show_ipv6_route.ref
diff --git a/tests/topotests/ripng-topo1/r2/zebra.conf b/tests/topotests/ripng_topo1/r2/zebra.conf
index 59006317d3..59006317d3 100644
--- a/tests/topotests/ripng-topo1/r2/zebra.conf
+++ b/tests/topotests/ripng_topo1/r2/zebra.conf
diff --git a/tests/topotests/ripng-topo1/r3/ripng_status.ref b/tests/topotests/ripng_topo1/r3/ripng_status.ref
index f4bfff0c59..f4bfff0c59 100644
--- a/tests/topotests/ripng-topo1/r3/ripng_status.ref
+++ b/tests/topotests/ripng_topo1/r3/ripng_status.ref
diff --git a/tests/topotests/ripng-topo1/r3/ripngd.conf b/tests/topotests/ripng_topo1/r3/ripngd.conf
index 506eaac442..506eaac442 100644
--- a/tests/topotests/ripng-topo1/r3/ripngd.conf
+++ b/tests/topotests/ripng_topo1/r3/ripngd.conf
diff --git a/tests/topotests/ripng-topo1/r3/show_ipv6_ripng.ref b/tests/topotests/ripng_topo1/r3/show_ipv6_ripng.ref
index 909ad663ba..909ad663ba 100644
--- a/tests/topotests/ripng-topo1/r3/show_ipv6_ripng.ref
+++ b/tests/topotests/ripng_topo1/r3/show_ipv6_ripng.ref
diff --git a/tests/topotests/ripng-topo1/r3/show_ipv6_route.ref b/tests/topotests/ripng_topo1/r3/show_ipv6_route.ref
index 25a7440111..25a7440111 100644
--- a/tests/topotests/ripng-topo1/r3/show_ipv6_route.ref
+++ b/tests/topotests/ripng_topo1/r3/show_ipv6_route.ref
diff --git a/tests/topotests/ripng-topo1/r3/zebra.conf b/tests/topotests/ripng_topo1/r3/zebra.conf
index b43ba69834..b43ba69834 100644
--- a/tests/topotests/ripng-topo1/r3/zebra.conf
+++ b/tests/topotests/ripng_topo1/r3/zebra.conf
diff --git a/tests/topotests/ripng-topo1/test_ripng_topo1.dot b/tests/topotests/ripng_topo1/test_ripng_topo1.dot
index 7d66a2a306..7d66a2a306 100644
--- a/tests/topotests/ripng-topo1/test_ripng_topo1.dot
+++ b/tests/topotests/ripng_topo1/test_ripng_topo1.dot
diff --git a/tests/topotests/ripng-topo1/test_ripng_topo1.pdf b/tests/topotests/ripng_topo1/test_ripng_topo1.pdf
index cb1adde239..cb1adde239 100644
--- a/tests/topotests/ripng-topo1/test_ripng_topo1.pdf
+++ b/tests/topotests/ripng_topo1/test_ripng_topo1.pdf
diff --git a/tests/topotests/ripng-topo1/test_ripng_topo1.py b/tests/topotests/ripng_topo1/test_ripng_topo1.py
index 4a5a59cd75..4a5a59cd75 100644
--- a/tests/topotests/ripng-topo1/test_ripng_topo1.py
+++ b/tests/topotests/ripng_topo1/test_ripng_topo1.py
diff --git a/tests/topotests/route-scale/r1/installed.routes.json b/tests/topotests/route_scale/r1/installed.routes.json
index 25d209f9eb..25d209f9eb 100644
--- a/tests/topotests/route-scale/r1/installed.routes.json
+++ b/tests/topotests/route_scale/r1/installed.routes.json
diff --git a/tests/topotests/route-scale/r1/no.routes.json b/tests/topotests/route_scale/r1/no.routes.json
index abebd1b143..abebd1b143 100644
--- a/tests/topotests/route-scale/r1/no.routes.json
+++ b/tests/topotests/route_scale/r1/no.routes.json
diff --git a/tests/topotests/route-scale/r1/sharpd.conf b/tests/topotests/route_scale/r1/sharpd.conf
index 0848f34ddf..0848f34ddf 100644
--- a/tests/topotests/route-scale/r1/sharpd.conf
+++ b/tests/topotests/route_scale/r1/sharpd.conf
diff --git a/tests/topotests/route-scale/r1/zebra.conf b/tests/topotests/route_scale/r1/zebra.conf
index 48a01f48ab..48a01f48ab 100644
--- a/tests/topotests/route-scale/r1/zebra.conf
+++ b/tests/topotests/route_scale/r1/zebra.conf
diff --git a/tests/topotests/route-scale/test_route_scale.py b/tests/topotests/route_scale/test_route_scale.py
index bbd6ef8d60..bbd6ef8d60 100644
--- a/tests/topotests/route-scale/test_route_scale.py
+++ b/tests/topotests/route_scale/test_route_scale.py
diff --git a/tests/topotests/simple-snmp-test/r1/bgpd.conf b/tests/topotests/simple_snmp_test/r1/bgpd.conf
index 00d1e17670..00d1e17670 100644
--- a/tests/topotests/simple-snmp-test/r1/bgpd.conf
+++ b/tests/topotests/simple_snmp_test/r1/bgpd.conf
diff --git a/tests/topotests/simple-snmp-test/r1/isisd.conf b/tests/topotests/simple_snmp_test/r1/isisd.conf
index b5ca993da3..b5ca993da3 100644
--- a/tests/topotests/simple-snmp-test/r1/isisd.conf
+++ b/tests/topotests/simple_snmp_test/r1/isisd.conf
diff --git a/tests/topotests/simple-snmp-test/r1/snmpd.conf b/tests/topotests/simple_snmp_test/r1/snmpd.conf
index b37911da36..b37911da36 100644
--- a/tests/topotests/simple-snmp-test/r1/snmpd.conf
+++ b/tests/topotests/simple_snmp_test/r1/snmpd.conf
diff --git a/tests/topotests/simple-snmp-test/r1/zebra.conf b/tests/topotests/simple_snmp_test/r1/zebra.conf
index 5281d0055d..5281d0055d 100644
--- a/tests/topotests/simple-snmp-test/r1/zebra.conf
+++ b/tests/topotests/simple_snmp_test/r1/zebra.conf
diff --git a/tests/topotests/simple-snmp-test/test_simple_snmp.py b/tests/topotests/simple_snmp_test/test_simple_snmp.py
index 5647e2b663..5647e2b663 100755
--- a/tests/topotests/simple-snmp-test/test_simple_snmp.py
+++ b/tests/topotests/simple_snmp_test/test_simple_snmp.py
diff --git a/tests/topotests/static_routing_with_ebgp/test_static_routes_topo1_ebgp.py b/tests/topotests/static_routing_with_ebgp/test_static_routes_topo1_ebgp.py
index a4cc8e8e7a..a16c4ae297 100644
--- a/tests/topotests/static_routing_with_ebgp/test_static_routes_topo1_ebgp.py
+++ b/tests/topotests/static_routing_with_ebgp/test_static_routes_topo1_ebgp.py
@@ -40,10 +40,11 @@ import platform
 CWD = os.path.dirname(os.path.realpath(__file__))
 sys.path.append(os.path.join(CWD, "../"))
 sys.path.append(os.path.join(CWD, "../lib/"))
+
 # pylint: disable=C0413
 # Import topogen and topotest helpers
-from mininet.topo import Topo
 from lib.topogen import Topogen, get_topogen
+from mininet.topo import Topo
 from lib.topotest import version_cmp
 
 # Import topoJson from lib, to create topology and initial configuration
@@ -68,15 +69,14 @@ from lib.topojson import build_topo_from_json, build_config_from_json
 pytestmark = [pytest.mark.bgpd, pytest.mark.staticd]
 
 # Reading the data from JSON File for topology creation
-jsonFile = "{}/static_routes_topo1_ebgp.json".format(CWD)
+JSONFILE = "{}/static_routes_topo1_ebgp.json".format(CWD)
 try:
-    with open(jsonFile, "r") as topoJson:
+    with open(JSONFILE, "r") as topoJson:
         topo = json.load(topoJson)
 except IOError:
-    assert False, "Could not read file {}".format(jsonFile)
+    assert False, "Could not read file {}".format(JSONFILE)
 
 # Global variables
-BGP_CONVERGENCE = False
 ADDR_TYPES = check_address_types()
 NETWORK = {"ipv4": ["11.0.20.1/32", "11.0.20.2/32"], "ipv6": ["2::1/128", "2::2/128"]}
 NETWORK2 = {"ipv4": "11.0.20.1/32", "ipv6": "2::1/128"}
@@ -98,6 +98,10 @@ class CreateTopo(Topo):
         # Building topology from json file
         build_topo_from_json(tgen, topo)
 
+    def dumdum(self):
+        """ Dummy """
+        print("%s", self.name)
+
 
 def setup_module(mod):
     """
@@ -105,7 +109,7 @@ def setup_module(mod):
 
     * `mod`: module name
     """
-    global topo
+
     testsuite_run_time = time.asctime(time.localtime(time.time()))
     logger.info("Testsuite start time: {}".format(testsuite_run_time))
     logger.info("=" * 40)
@@ -131,16 +135,14 @@ def setup_module(mod):
         pytest.skip(error_msg)
 
     # Checking BGP convergence
-    global BGP_CONVERGENCE
-    global ADDR_TYPES
+
     # Don't run this test if we have any failure.
     if tgen.routers_have_failure():
         pytest.skip(tgen.errors)
+
     # Api call verify whether BGP is converged
-    BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
-    assert BGP_CONVERGENCE is True, "setup_module :Failed \n Error: {}".format(
-        BGP_CONVERGENCE
-    )
+    converged = verify_bgp_convergence(tgen, topo)
+    assert converged is True, "setup_module :Failed \n Error: {}".format(converged)
 
     logger.info("Running setup_module() done")
 
@@ -152,7 +154,7 @@ def teardown_module(mod):
     * `mod`: module name
     """
 
-    logger.info("Running teardown_module to delete topology")
+    logger.info("Running teardown_module to delete topology: %s", mod)
 
     tgen = get_topogen()
 
@@ -166,7 +168,11 @@ def teardown_module(mod):
 
 
 def populate_nh():
-    NEXT_HOP_IP = {
+    """
+    Populate nexthops.
+    """
+
+    next_hop_ip = {
         "nh1": {
             "ipv4": topo["routers"]["r1"]["links"]["r2-link0"]["ipv4"].split("/")[0],
             "ipv6": topo["routers"]["r1"]["links"]["r2-link0"]["ipv6"].split("/")[0],
@@ -176,7 +182,7 @@ def populate_nh():
             "ipv6": topo["routers"]["r1"]["links"]["r2-link1"]["ipv6"].split("/")[0],
         },
     }
-    return NEXT_HOP_IP
+    return next_hop_ip
 
 
 #####################################################
@@ -199,7 +205,7 @@ def test_static_route_2nh_p0_tc_1_ebgp(request):
         pytest.skip(tgen.errors)
 
     reset_config_on_routers(tgen)
-    NEXT_HOP_IP = populate_nh()
+    next_hop_ip = populate_nh()
 
     step(
         "Configure IPv4 static route (10.1.1.1) in R2 with next hop N1"
@@ -213,11 +219,11 @@ def test_static_route_2nh_p0_tc_1_ebgp(request):
                 "static_routes": [
                     {
                         "network": NETWORK[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh1"][addr_type],
+                        "next_hop": next_hop_ip["nh1"][addr_type],
                     },
                     {
                         "network": NETWORK[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh2"][addr_type],
+                        "next_hop": next_hop_ip["nh2"][addr_type],
                     },
                 ]
             }
@@ -233,7 +239,7 @@ def test_static_route_2nh_p0_tc_1_ebgp(request):
             "On R2, static route installed in RIB using show ip route"
             " with 2 ECMP next hop "
         )
-        nh = [NEXT_HOP_IP["nh1"][addr_type], NEXT_HOP_IP["nh2"][addr_type]]
+        nh = [next_hop_ip["nh1"][addr_type], next_hop_ip["nh2"][addr_type]]
         dut = "r2"
         protocol = "static"
         result = verify_rib(
@@ -268,7 +274,7 @@ def test_static_route_2nh_p0_tc_1_ebgp(request):
                 "static_routes": [
                     {
                         "network": NETWORK[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh1"][addr_type],
+                        "next_hop": next_hop_ip["nh1"][addr_type],
                         "delete": True,
                     }
                 ]
@@ -284,7 +290,7 @@ def test_static_route_2nh_p0_tc_1_ebgp(request):
             "On R2, after removing the static route with N1 , "
             "route become active with nexthop N2 and vice versa."
         )
-        nh = NEXT_HOP_IP["nh1"][addr_type]
+        nh = next_hop_ip["nh1"][addr_type]
         result = verify_rib(
             tgen,
             addr_type,
@@ -300,12 +306,13 @@ def test_static_route_2nh_p0_tc_1_ebgp(request):
             tc_name
         )
 
-        nh = [NEXT_HOP_IP["nh2"][addr_type]]
+        nh = [next_hop_ip["nh2"][addr_type]]
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         step("Configure the static route with nexthop N1")
 
@@ -314,7 +321,7 @@ def test_static_route_2nh_p0_tc_1_ebgp(request):
                 "static_routes": [
                     {
                         "network": NETWORK[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh1"][addr_type],
+                        "next_hop": next_hop_ip["nh1"][addr_type],
                     }
                 ]
             }
@@ -333,7 +340,7 @@ def test_static_route_2nh_p0_tc_1_ebgp(request):
                 "static_routes": [
                     {
                         "network": NETWORK[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh2"][addr_type],
+                        "next_hop": next_hop_ip["nh2"][addr_type],
                         "delete": True,
                     }
                 ]
@@ -350,7 +357,7 @@ def test_static_route_2nh_p0_tc_1_ebgp(request):
             "On R2, after removing the static route with N2 , "
             "route become active with nexthop N1 and vice versa."
         )
-        nh = NEXT_HOP_IP["nh2"][addr_type]
+        nh = next_hop_ip["nh2"][addr_type]
         result = verify_rib(
             tgen,
             addr_type,
@@ -360,15 +367,19 @@ def test_static_route_2nh_p0_tc_1_ebgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" " still present in RIB".format(
+            tc_name
+        )
 
-        nh = [NEXT_HOP_IP["nh1"][addr_type]]
+        nh = [next_hop_ip["nh1"][addr_type]]
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         step("Configure the static route with nexthop N2")
         input_dict_4 = {
@@ -376,7 +387,7 @@ def test_static_route_2nh_p0_tc_1_ebgp(request):
                 "static_routes": [
                     {
                         "network": NETWORK[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh2"][addr_type],
+                        "next_hop": next_hop_ip["nh2"][addr_type],
                     }
                 ]
             }
@@ -395,14 +406,15 @@ def test_static_route_2nh_p0_tc_1_ebgp(request):
 
         step("Only one the nexthops should be active in RIB.")
 
-        nh = NEXT_HOP_IP["nh2"][addr_type]
+        nh = next_hop_ip["nh2"][addr_type]
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
-        nh = NEXT_HOP_IP["nh1"][addr_type]
+        nh = next_hop_ip["nh1"][addr_type]
         result = verify_rib(
             tgen,
             addr_type,
@@ -412,15 +424,21 @@ def test_static_route_2nh_p0_tc_1_ebgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" " still present in RIB".format(
+            tc_name
+        )
 
         dut = "r3"
         result = verify_bgp_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, expected=False
         )
-        assert result is not True, "Testcase {} : Failed \nError: Route is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Route is" " still present in RIB".format(
+            tc_name
+        )
 
         result = verify_rib(
             tgen,
@@ -431,27 +449,35 @@ def test_static_route_2nh_p0_tc_1_ebgp(request):
             next_hop=nh,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Route is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Route is" " still present in RIB".format(
+            tc_name
+        )
 
         dut = "r2"
-        nh = [NEXT_HOP_IP["nh2"][addr_type]]
+        nh = [next_hop_ip["nh2"][addr_type]]
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         dut = "r3"
         result = verify_bgp_rib(tgen, addr_type, dut, input_dict_4)
-        assert result is True, "Testcase {} : Failed \nError: Route is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Route is" " missing in RIB".format(tc_name)
 
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, protocol=protocol, expected=False
         )
-        assert result is not True, "Testcase {} : Failed \nError: Route is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Route is" " still present in RIB".format(
+            tc_name
+        )
 
         dut = "r2"
         step("No shut the nexthop interface N1")
@@ -461,13 +487,14 @@ def test_static_route_2nh_p0_tc_1_ebgp(request):
             "after shut of nexthop N1 , route become active "
             "with nexthop N2 and vice versa."
         )
-        nh = [NEXT_HOP_IP["nh1"][addr_type], NEXT_HOP_IP["nh2"][addr_type]]
+        nh = [next_hop_ip["nh1"][addr_type], next_hop_ip["nh2"][addr_type]]
 
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         step("Shut nexthop interface N2")
         intf = topo["routers"]["r2"]["links"]["r1-link1"]["interface"]
@@ -478,7 +505,7 @@ def test_static_route_2nh_p0_tc_1_ebgp(request):
             " after shut of nexthop N1 , route become active with "
             "nexthop N2 and vice versa."
         )
-        nh = NEXT_HOP_IP["nh2"][addr_type]
+        nh = next_hop_ip["nh2"][addr_type]
 
         result = verify_rib(
             tgen,
@@ -489,28 +516,36 @@ def test_static_route_2nh_p0_tc_1_ebgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" " still present in RIB".format(
+            tc_name
+        )
 
-        nh = [NEXT_HOP_IP["nh1"][addr_type]]
+        nh = [next_hop_ip["nh1"][addr_type]]
         dut = "r2"
         protocol = "static"
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         dut = "r3"
         result = verify_bgp_rib(tgen, addr_type, dut, input_dict_4)
-        assert result is True, "Testcase {} : Failed \nError: Route is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Route is" " missing in RIB".format(tc_name)
 
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, protocol=protocol, expected=False
         )
-        assert result is not True, "Testcase {} : Failed \nError: Route is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Route is" " still present in RIB".format(
+            tc_name
+        )
 
         step("No shut nexthop interface N2")
         dut = "r2"
@@ -520,24 +555,29 @@ def test_static_route_2nh_p0_tc_1_ebgp(request):
             "after shut of nexthop N1 , route become active "
             "with nexthop N2 and vice versa."
         )
-        nh = [NEXT_HOP_IP["nh1"][addr_type], NEXT_HOP_IP["nh2"][addr_type]]
+        nh = [next_hop_ip["nh1"][addr_type], next_hop_ip["nh2"][addr_type]]
 
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         dut = "r3"
         result = verify_bgp_rib(tgen, addr_type, dut, input_dict_4)
-        assert result is True, "Testcase {} : Failed \nError: Route is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Route is" " missing in RIB".format(tc_name)
 
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, protocol=protocol, expected=False
         )
-        assert result is not True, "Testcase {} : Failed \nError: Route is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Route is" " still present in RIB".format(
+            tc_name
+        )
 
         step("Reload the FRR router")
         # stop/start -> restart FRR router and verify
@@ -553,19 +593,26 @@ def test_static_route_2nh_p0_tc_1_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         dut = "r3"
         result = verify_bgp_rib(tgen, addr_type, dut, input_dict_4)
-        assert result is True, "Testcase {} : Failed \nError: Route is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Route is" " still present in RIB".format(
+            tc_name
+        )
 
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, protocol=protocol, expected=False
         )
-        assert result is not True, "Testcase {} : Failed \nError: Route is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Route is" " still present in RIB".format(
+            tc_name
+        )
 
     write_test_footer(tc_name)
 
@@ -583,7 +630,7 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
         pytest.skip(tgen.errors)
 
     reset_config_on_routers(tgen)
-    NEXT_HOP_IP = populate_nh()
+
     step(
         "Configure IPv4 static route (10.1.1.1) in R2 with next hop N1"
         "(28.1.1.2 ) AD 10 and N2 (29.1.1.2) AD 20 , Static route next-hop"
@@ -592,19 +639,19 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
     )
 
     reset_config_on_routers(tgen)
-    NEXT_HOP_IP = populate_nh()
+    next_hop_ip = populate_nh()
     for addr_type in ADDR_TYPES:
         input_dict_4 = {
             "r2": {
                 "static_routes": [
                     {
                         "network": NETWORK2[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh1"][addr_type],
+                        "next_hop": next_hop_ip["nh1"][addr_type],
                         "admin_distance": 10,
                     },
                     {
                         "network": NETWORK2[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh2"][addr_type],
+                        "next_hop": next_hop_ip["nh2"][addr_type],
                         "admin_distance": 20,
                     },
                 ]
@@ -625,33 +672,34 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
                 "static_routes": [
                     {
                         "network": NETWORK2[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh1"][addr_type],
+                        "next_hop": next_hop_ip["nh1"][addr_type],
                         "admin_distance": 10,
                     }
                 ]
             }
         }
-        nh = [NEXT_HOP_IP["nh1"][addr_type]]
+        nh = [next_hop_ip["nh1"][addr_type]]
         dut = "r2"
         protocol = "static"
         result = verify_rib(
             tgen, addr_type, dut, rte1_nh1, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        "missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" "missing in RIB".format(tc_name)
 
         rte2_nh2 = {
             "r2": {
                 "static_routes": [
                     {
                         "network": NETWORK2[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh2"][addr_type],
+                        "next_hop": next_hop_ip["nh2"][addr_type],
                         "admin_distance": 20,
                     }
                 ]
             }
         }
-        nh = [NEXT_HOP_IP["nh2"][addr_type]]
+        nh = [next_hop_ip["nh2"][addr_type]]
         dut = "r2"
         protocol = "static"
         result = verify_rib(
@@ -664,8 +712,9 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        "not active in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" "not active in RIB".format(tc_name)
 
         step("Configure IBGP IPv4 peering between R2 and R3 router.")
         step("Explicit route is added in R3 for R2 nexthop rechability")
@@ -673,11 +722,11 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
             "r3": {
                 "static_routes": [
                     {
-                        "network": NEXT_HOP_IP["nh1"][addr_type] + "/32",
+                        "network": next_hop_ip["nh1"][addr_type] + "/32",
                         "next_hop": topo["routers"]["r2"]["links"]["r3"][addr_type],
                     },
                     {
-                        "network": NEXT_HOP_IP["nh2"][addr_type] + "/32",
+                        "network": next_hop_ip["nh2"][addr_type] + "/32",
                         "next_hop": topo["routers"]["r2"]["links"]["r3"][addr_type],
                     },
                 ]
@@ -712,7 +761,7 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
                 "static_routes": [
                     {
                         "network": NETWORK[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh1"][addr_type],
+                        "next_hop": next_hop_ip["nh1"][addr_type],
                         "admin_distance": 10,
                         "delete": True,
                     }
@@ -735,13 +784,13 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
                 "static_routes": [
                     {
                         "network": NETWORK2[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh1"][addr_type],
+                        "next_hop": next_hop_ip["nh1"][addr_type],
                         "admin_distance": 10,
                     }
                 ]
             }
         }
-        nh = [NEXT_HOP_IP["nh1"][addr_type]]
+        nh = [next_hop_ip["nh1"][addr_type]]
         dut = "r2"
         protocol = "static"
         result = verify_rib(
@@ -754,26 +803,28 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        "missing in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" "missing in RIB".format(tc_name)
 
         rte2_nh2 = {
             "r2": {
                 "static_routes": [
                     {
                         "network": NETWORK2[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh2"][addr_type],
+                        "next_hop": next_hop_ip["nh2"][addr_type],
                         "admin_distance": 20,
                     }
                 ]
             }
         }
-        nh = [NEXT_HOP_IP["nh2"][addr_type]]
+        nh = [next_hop_ip["nh2"][addr_type]]
         result = verify_rib(
             tgen, addr_type, dut, rte2_nh2, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        "not active in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" "not active in RIB".format(tc_name)
 
         step("Configure the static route with nexthop N1")
         rte1_nh1 = {
@@ -781,7 +832,7 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
                 "static_routes": [
                     {
                         "network": NETWORK[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh1"][addr_type],
+                        "next_hop": next_hop_ip["nh1"][addr_type],
                         "admin_distance": 10,
                     }
                 ]
@@ -799,7 +850,7 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
                 "static_routes": [
                     {
                         "network": NETWORK[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh2"][addr_type],
+                        "next_hop": next_hop_ip["nh2"][addr_type],
                         "admin_distance": 20,
                         "delete": True,
                     }
@@ -816,7 +867,7 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
             "On R2, after removing the static route with N2 , "
             "route become active with nexthop N1 and vice versa."
         )
-        nh = NEXT_HOP_IP["nh2"][addr_type]
+        nh = next_hop_ip["nh2"][addr_type]
         result = verify_rib(
             tgen,
             addr_type,
@@ -826,15 +877,19 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" " still present in RIB".format(
+            tc_name
+        )
 
-        nh = [NEXT_HOP_IP["nh1"][addr_type]]
+        nh = [next_hop_ip["nh1"][addr_type]]
         result = verify_rib(
             tgen, addr_type, dut, rte1_nh1, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         step("Configure the static route with nexthop N2")
         rte2_nh2 = {
@@ -842,7 +897,7 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
                 "static_routes": [
                     {
                         "network": NETWORK[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh2"][addr_type],
+                        "next_hop": next_hop_ip["nh2"][addr_type],
                         "admin_distance": 20,
                     }
                 ]
@@ -862,7 +917,7 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
 
         step("after shut of nexthop N1 , route become active with nexthop N2")
 
-        nh = NEXT_HOP_IP["nh1"][addr_type]
+        nh = next_hop_ip["nh1"][addr_type]
         result = verify_rib(
             tgen,
             addr_type,
@@ -872,15 +927,19 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" " still present in RIB".format(
+            tc_name
+        )
 
-        nh = [NEXT_HOP_IP["nh2"][addr_type]]
+        nh = [next_hop_ip["nh2"][addr_type]]
         result = verify_rib(
             tgen, addr_type, dut, rte2_nh2, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         step("No shut the nexthop interface N1")
         shutdown_bringup_interface(tgen, dut, intf, True)
@@ -889,13 +948,14 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
             "after shut of nexthop N1 , route become active "
             "with nexthop N2 and vice versa."
         )
-        nh = [NEXT_HOP_IP["nh1"][addr_type]]
+        nh = [next_hop_ip["nh1"][addr_type]]
 
         result = verify_rib(
             tgen, addr_type, dut, rte1_nh1, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         step("Shut nexthop interface N2")
         intf = topo["routers"]["r2"]["links"]["r1-link1"]["interface"]
@@ -906,7 +966,7 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
             " after shut of nexthop N1 , route become active with "
             "nexthop N2 and vice versa."
         )
-        nh = NEXT_HOP_IP["nh2"][addr_type]
+        nh = next_hop_ip["nh2"][addr_type]
 
         result = verify_rib(
             tgen,
@@ -917,15 +977,19 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" " still present in RIB".format(
+            tc_name
+        )
 
-        nh = [NEXT_HOP_IP["nh1"][addr_type]]
+        nh = [next_hop_ip["nh1"][addr_type]]
         result = verify_rib(
             tgen, addr_type, dut, rte1_nh1, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         step("No shut nexthop interface N2")
         shutdown_bringup_interface(tgen, dut, intf, True)
@@ -939,33 +1003,34 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
                 "static_routes": [
                     {
                         "network": NETWORK2[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh1"][addr_type],
+                        "next_hop": next_hop_ip["nh1"][addr_type],
                         "admin_distance": 10,
                     }
                 ]
             }
         }
-        nh = [NEXT_HOP_IP["nh1"][addr_type]]
+        nh = [next_hop_ip["nh1"][addr_type]]
         dut = "r2"
         protocol = "static"
         result = verify_rib(
             tgen, addr_type, dut, rte1_nh1, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        "missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" "missing in RIB".format(tc_name)
 
         rte2_nh2 = {
             "r2": {
                 "static_routes": [
                     {
                         "network": NETWORK2[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh2"][addr_type],
+                        "next_hop": next_hop_ip["nh2"][addr_type],
                         "admin_distance": 20,
                     }
                 ]
             }
         }
-        nh = [NEXT_HOP_IP["nh2"][addr_type]]
+        nh = [next_hop_ip["nh2"][addr_type]]
         dut = "r2"
         protocol = "static"
         result = verify_rib(
@@ -978,8 +1043,9 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        "not active in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" "not active in RIB".format(tc_name)
 
         dut = "r3"
         protocol = "bgp"
@@ -994,8 +1060,9 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        "not active in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" "not active in RIB".format(tc_name)
 
         dut = "r2"
         step("Reload the FRR router")
@@ -1013,39 +1080,41 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
                 "static_routes": [
                     {
                         "network": NETWORK2[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh1"][addr_type],
+                        "next_hop": next_hop_ip["nh1"][addr_type],
                         "admin_distance": 10,
                     }
                 ]
             }
         }
-        nh = [NEXT_HOP_IP["nh1"][addr_type]]
+        nh = [next_hop_ip["nh1"][addr_type]]
         dut = "r2"
         protocol = "static"
         result = verify_rib(
             tgen, addr_type, dut, rte1_nh1, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        "missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" "missing in RIB".format(tc_name)
 
         dut = "r3"
         protocol = "bgp"
         result = verify_bgp_rib(tgen, addr_type, dut, rte1_nh1, next_hop=nh)
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        "missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" "missing in RIB".format(tc_name)
 
         rte2_nh2 = {
             "r2": {
                 "static_routes": [
                     {
                         "network": NETWORK2[addr_type],
-                        "next_hop": NEXT_HOP_IP["nh2"][addr_type],
+                        "next_hop": next_hop_ip["nh2"][addr_type],
                         "admin_distance": 20,
                     }
                 ]
             }
         }
-        nh = [NEXT_HOP_IP["nh2"][addr_type]]
+        nh = [next_hop_ip["nh2"][addr_type]]
         dut = "r2"
         protocol = "static"
         result = verify_rib(
@@ -1058,14 +1127,16 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        "not active in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" "not active in RIB".format(tc_name)
 
         dut = "r3"
         protocol = "bgp"
         result = verify_bgp_rib(tgen, addr_type, dut, rte2_nh2, next_hop=nh)
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        "not active in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" "not active in RIB".format(tc_name)
 
         result = verify_rib(
             tgen,
@@ -1077,8 +1148,9 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ebgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        "not active in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" "not active in RIB".format(tc_name)
 
     write_test_footer(tc_name)
 
@@ -1148,14 +1220,20 @@ def test_same_rte_from_bgp_static_p0_tc5_ebgp(request):
         step("Verify on R3 , route receive on R3 BGP table ")
         dut = "r3"
         result = verify_bgp_rib(tgen, addr_type, dut, input_dict_4)
-        assert result is True, "Testcase {} : Failed \nError: Route is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Route is" " still present in RIB".format(
+            tc_name
+        )
 
         step("Verify route installed in the RIB and FIB of R3")
         protocol = "bgp"
         result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
-        assert result is True, "Testcase {} : Failed \nError: Route is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Route is" " still present in RIB".format(
+            tc_name
+        )
 
     step(
         "Configure 2 links/interfaces between R1 and R3 , keep one"
@@ -1206,15 +1284,19 @@ def test_same_rte_from_bgp_static_p0_tc5_ebgp(request):
         )
         dut = "r3"
         result = verify_bgp_rib(tgen, addr_type, dut, input_dict_4)
-        assert result is True, "Testcase {} : Failed \nError: Route is"
-        " missing in BGP RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Route is" " missing in BGP RIB".format(
+            tc_name
+        )
 
         protocol = "bgp"
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Route is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Route is" " missing in RIB".format(tc_name)
 
     step("Remove the static route on R3 configured with active" "interface")
     for addr_type in ADDR_TYPES:
@@ -1249,15 +1331,19 @@ def test_same_rte_from_bgp_static_p0_tc5_ebgp(request):
         )
         dut = "r3"
         result = verify_bgp_rib(tgen, addr_type, dut, input_dict_4)
-        assert result is True, "Testcase {} : Failed \nError: Route is"
-        " missing in BGP RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Route is" " missing in BGP RIB".format(
+            tc_name
+        )
 
         protocol = "bgp"
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Route is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Route is" " missing in RIB".format(tc_name)
 
     write_test_footer(tc_name)
 
diff --git a/tests/topotests/static_routing_with_ebgp/test_static_routes_topo2_ebgp.py b/tests/topotests/static_routing_with_ebgp/test_static_routes_topo2_ebgp.py
index 6649915dec..bbb4370a93 100644
--- a/tests/topotests/static_routing_with_ebgp/test_static_routes_topo2_ebgp.py
+++ b/tests/topotests/static_routing_with_ebgp/test_static_routes_topo2_ebgp.py
@@ -314,8 +314,9 @@ def test_static_rte_with_8ecmp_nh_p1_tc9_ebgp(request):
             next_hop=nh_all[addr_type],
             protocol=protocol,
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
     step("Configure redistribute static in BGP on R2 router")
     for addr_type in ADDR_TYPES:
@@ -338,8 +339,9 @@ def test_static_rte_with_8ecmp_nh_p1_tc9_ebgp(request):
         dut = "r3"
         protocol = "bgp"
         result = verify_bgp_rib(tgen, addr_type, dut, input_dict_4)
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
     step(
         "Remove the static route configured with nexthop N1 to N8, one"
@@ -384,8 +386,11 @@ def test_static_rte_with_8ecmp_nh_p1_tc9_ebgp(request):
                 protocol=protocol,
                 expected=False,
             )
-            assert result is not True, "Testcase {} : Failed\nError: Routes is"
-            " still present in RIB".format(tc_name)
+            assert (
+                result is not True
+            ), "Testcase {} : Failed\nError: Routes is" " still present in RIB".format(
+                tc_name
+            )
 
     step("Configure the static route with nexthop N1 to N8, one by one")
     for addr_type in ADDR_TYPES:
@@ -410,8 +415,11 @@ def test_static_rte_with_8ecmp_nh_p1_tc9_ebgp(request):
             result = verify_rib(
                 tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
             )
-            assert result is True, "Testcase {} : Failed\nError: Routes are"
-            " missing in RIB".format(tc_name)
+            assert (
+                result is True
+            ), "Testcase {} : Failed\nError: Routes are" " missing in RIB".format(
+                tc_name
+            )
 
     protocol = "static"
     step("Random shut of the nexthop interfaces")
@@ -455,8 +463,9 @@ def test_static_rte_with_8ecmp_nh_p1_tc9_ebgp(request):
         next_hop=nh_all[addr_type],
         protocol=protocol,
     )
-    assert result is True, "Testcase {} : Failed \nError: Routes are"
-    " missing in RIB".format(tc_name)
+    assert (
+        result is True
+    ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
     step("Remove random static route with all the nexthop")
     dut = "r2"
@@ -493,8 +502,9 @@ def test_static_rte_with_8ecmp_nh_p1_tc9_ebgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
     for addr_type in ADDR_TYPES:
         input_dict_4 = {
@@ -546,8 +556,9 @@ def test_static_rte_with_8ecmp_nh_p1_tc9_ebgp(request):
             next_hop=nh_all[addr_type],
             protocol=protocol,
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
     step("Remove the redistribute static knob")
     for addr_type in ADDR_TYPES:
@@ -580,8 +591,11 @@ def test_static_rte_with_8ecmp_nh_p1_tc9_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, protocol=protocol, expected=False
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes are"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+            tc_name
+        )
 
     write_test_footer(tc_name)
 
@@ -661,8 +675,9 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
         nh = []
         for nhp in range(2, 9):
@@ -679,8 +694,9 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ebgp(request):
             wait=2,
             attempts=3,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes "
-        " are missing in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes " " are missing in RIB".format(tc_name)
 
     step(
         "Remove the static route configured with nexthop N1 to N8, one"
@@ -723,8 +739,11 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ebgp(request):
         protocol=protocol,
         expected=False,
     )
-    assert result is not True, "Testcase {} : Failed \nError: Routes are"
-    " still present in RIB".format(tc_name)
+    assert (
+        result is not True
+    ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+        tc_name
+    )
 
     step("Configure the static route with nexthop N1 to N8, one by one")
 
@@ -770,8 +789,9 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
         nh = []
         for nhp in range(2, 9):
             nh.append(NEXT_HOP_IP["nh" + str(nhp)][addr_type])
@@ -787,8 +807,9 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ebgp(request):
             wait=2,
             attempts=3,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes "
-        " are missing in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes " " are missing in RIB".format(tc_name)
 
     step("Random shut of the nexthop interfaces")
     randnum = random.randint(0, 7)
@@ -815,8 +836,11 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ebgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \n"
-        "Error: Routes are still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \n" "Error: Routes are still present in RIB".format(
+            tc_name
+        )
 
     step("Random no shut of the nexthop interfaces")
     for addr_type in ADDR_TYPES:
@@ -826,8 +850,9 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_5, next_hop=nhip, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \n"
-        "Error: Routes are missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n" "Error: Routes are missing in RIB".format(tc_name)
 
     dut = "r2"
     protocol = "static"
@@ -955,8 +980,9 @@ def test_static_route_8nh_diff_AD_ebgp_ecmp_p1_tc8_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
         nh = []
         for nhp in range(2, 9):
@@ -971,8 +997,9 @@ def test_static_route_8nh_diff_AD_ebgp_ecmp_p1_tc8_ebgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes "
-        " are missing in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes " " are missing in RIB".format(tc_name)
 
     step(
         "Remove the static route configured with nexthop N1 to N8, one"
@@ -1015,8 +1042,11 @@ def test_static_route_8nh_diff_AD_ebgp_ecmp_p1_tc8_ebgp(request):
         protocol=protocol,
         expected=False,
     )
-    assert result is not True, "Testcase {} : Failed \nError: Routes are"
-    " still present in RIB".format(tc_name)
+    assert (
+        result is not True
+    ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+        tc_name
+    )
 
     step("Configure the static route with nexthop N1 to N8, one by one")
 
@@ -1062,8 +1092,9 @@ def test_static_route_8nh_diff_AD_ebgp_ecmp_p1_tc8_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
         nh = []
         for nhp in range(2, 9):
             nh.append(NEXT_HOP_IP["nh" + str(nhp)][addr_type])
@@ -1077,8 +1108,9 @@ def test_static_route_8nh_diff_AD_ebgp_ecmp_p1_tc8_ebgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes "
-        " are missing in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes " " are missing in RIB".format(tc_name)
 
     step("Random shut of the nexthop interfaces")
     randnum = random.randint(0, 7)
@@ -1105,8 +1137,11 @@ def test_static_route_8nh_diff_AD_ebgp_ecmp_p1_tc8_ebgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \n"
-        "Error: Routes are still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \n" "Error: Routes are still present in RIB".format(
+            tc_name
+        )
 
     step("Random no shut of the nexthop interfaces")
     for addr_type in ADDR_TYPES:
@@ -1116,8 +1151,9 @@ def test_static_route_8nh_diff_AD_ebgp_ecmp_p1_tc8_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_5, next_hop=nhip, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \n"
-        "Error: Routes are missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n" "Error: Routes are missing in RIB".format(tc_name)
 
     dut = "r2"
     protocol = "static"
@@ -1230,8 +1266,9 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc10_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
         step("Verify that highest AD nexthop are inactive")
         nh = []
@@ -1249,8 +1286,9 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc10_ebgp(request):
             wait=2,
             attempts=3,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes "
-        " are missing in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes " " are missing in RIB".format(tc_name)
 
     step("Configure redistribute static in BGP on R2 router")
     for addr_type in ADDR_TYPES:
@@ -1312,8 +1350,11 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc10_ebgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes are"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+            tc_name
+        )
 
     step("Configure the static route with nexthop N1 to N8, one by one")
     for addr_type in ADDR_TYPES:
@@ -1355,8 +1396,10 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc10_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Route with "
-        "lowest AD  is missing in RIB".format(tc_name)
+        assert result is True, (
+            "Testcase {} : Failed \nError: Route with "
+            "lowest AD  is missing in RIB".format(tc_name)
+        )
 
     step("Random shut of the nexthop interfaces")
     randnum = random.randint(0, 7)
@@ -1383,8 +1426,11 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc10_ebgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \n"
-        "Error: Routes are still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \n" "Error: Routes are still present in RIB".format(
+            tc_name
+        )
 
     step("Random no shut of the nexthop interfaces")
     for addr_type in ADDR_TYPES:
@@ -1394,8 +1440,9 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc10_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_5, next_hop=nhip, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \n"
-        "Error: Routes are missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n" "Error: Routes are missing in RIB".format(tc_name)
 
     step("Remove random static route with all the nexthop")
     for addr_type in ADDR_TYPES:
@@ -1434,8 +1481,10 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc10_ebgp(request):
                 protocol=protocol,
                 expected=False,
             )
-            assert result is not True, "Testcase {} : Failed \nError: Route "
-            " is still present in RIB".format(tc_name)
+            assert result is not True, (
+                "Testcase {} : Failed \nError: Route "
+                " is still present in RIB".format(tc_name)
+            )
 
         step("Reconfigure the deleted routes and verify they are installed")
         for nhp in range(1, 9):
@@ -1460,8 +1509,10 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc10_ebgp(request):
             protocol = "static"
             nh = NEXT_HOP_IP["nh1"][addr_type]
             result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
-            assert result is True, "Testcase {} : Failed \nError: Route "
-            " is still present in RIB".format(tc_name)
+            assert result is True, (
+                "Testcase {} : Failed \nError: Route "
+                " is still present in RIB".format(tc_name)
+            )
 
             step("Reload the FRR router")
             # stop/start -> restart FRR router and verify
@@ -1577,8 +1628,9 @@ def test_static_route_delete_p0_tc11_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
         step("Verify that highest AD nexthop are inactive")
         nh = []
@@ -1594,8 +1646,9 @@ def test_static_route_delete_p0_tc11_ebgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes "
-        " are missing in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes " " are missing in RIB".format(tc_name)
 
     step("Configure redistribute static in BGP on R2 router")
     for addr_type in ADDR_TYPES:
@@ -1647,8 +1700,11 @@ def test_static_route_delete_p0_tc11_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, protocol=protocol, expected=False
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes are"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+            tc_name
+        )
 
     for addr_type in ADDR_TYPES:
         for nhp in range(1, 9):
@@ -1715,8 +1771,12 @@ def test_static_route_delete_p0_tc11_ebgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes are"
-        " still active in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes are" " still active in RIB".format(
+            tc_name
+        )
+
     write_test_footer(tc_name)
 
 
diff --git a/tests/topotests/static_routing_with_ebgp/test_static_routes_topo3_ebgp.py b/tests/topotests/static_routing_with_ebgp/test_static_routes_topo3_ebgp.py
index 175a1123d7..8525e3655c 100644
--- a/tests/topotests/static_routing_with_ebgp/test_static_routes_topo3_ebgp.py
+++ b/tests/topotests/static_routing_with_ebgp/test_static_routes_topo3_ebgp.py
@@ -297,8 +297,9 @@ def test_staticroute_with_ecmp_p0_tc3_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
     step("Configure redistribute static in BGP on R2 router")
     for addr_type in ADDR_TYPES:
         input_dict_2 = {
@@ -351,8 +352,11 @@ def test_staticroute_with_ecmp_p0_tc3_ebgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes are"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+            tc_name
+        )
 
     step("Configure the static route with nexthop N1 to N8, one by" "one")
 
@@ -379,8 +383,9 @@ def test_staticroute_with_ecmp_p0_tc3_ebgp(request):
     result = verify_rib(
         tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
     )
-    assert result is True, "Testcase {} : Failed \nError: Routes are"
-    " missing in RIB".format(tc_name)
+    assert (
+        result is True
+    ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
     step("Random shut of the nexthop interfaces")
     randnum = random.randint(0, 7)
@@ -407,8 +412,11 @@ def test_staticroute_with_ecmp_p0_tc3_ebgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \n"
-        "Error: Routes are still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \n" "Error: Routes are still present in RIB".format(
+            tc_name
+        )
 
     step("Random no shut of the nexthop interfaces")
     for addr_type in ADDR_TYPES:
@@ -418,8 +426,9 @@ def test_staticroute_with_ecmp_p0_tc3_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_5, next_hop=nhip, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \n"
-        "Error: Routes are missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n" "Error: Routes are missing in RIB".format(tc_name)
 
     step("Reload the FRR router")
     # stop/start -> restart FRR router and verify
@@ -429,8 +438,9 @@ def test_staticroute_with_ecmp_p0_tc3_ebgp(request):
     result = verify_rib(
         tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
     )
-    assert result is True, "Testcase {} : Failed \nError: Routes are"
-    " missing in RIB".format(tc_name)
+    assert (
+        result is True
+    ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
     write_test_footer(tc_name)
 
@@ -509,8 +519,10 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Route with "
-        " lowest AD is missing in RIB".format(tc_name)
+        assert result is True, (
+            "Testcase {} : Failed \nError: Route with "
+            " lowest AD is missing in RIB".format(tc_name)
+        )
 
         nh = []
         for nhp in range(2, 9):
@@ -525,8 +537,10 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ebgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes "
-        " with high AD are active in RIB".format(tc_name)
+        assert result is not True, (
+            "Testcase {} : Failed \nError: Routes "
+            " with high AD are active in RIB".format(tc_name)
+        )
 
     step("Configure redistribute static in BGP on R2 router")
     for addr_type in ADDR_TYPES:
@@ -569,8 +583,10 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Route with "
-        " lowest AD is missing in RIB".format(tc_name)
+        assert result is True, (
+            "Testcase {} : Failed \nError: Route with "
+            " lowest AD is missing in RIB".format(tc_name)
+        )
 
     step(
         "Remove the static route configured with nexthop N1 to N8, one"
@@ -613,8 +629,11 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ebgp(request):
         protocol=protocol,
         expected=False,
     )
-    assert result is not True, "Testcase {} : Failed \nError: Routes are"
-    " still present in RIB".format(tc_name)
+    assert (
+        result is not True
+    ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+        tc_name
+    )
 
     step("Configure the static route with nexthop N1 to N8, one by" "one")
     for addr_type in ADDR_TYPES:
@@ -655,8 +674,10 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Route with "
-        " lowest AD is missing in RIB".format(tc_name)
+        assert result is True, (
+            "Testcase {} : Failed \nError: Route with "
+            " lowest AD is missing in RIB".format(tc_name)
+        )
 
         nh = []
         for nhp in range(2, 9):
@@ -671,8 +692,10 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ebgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes "
-        " with high AD are active in RIB".format(tc_name)
+        assert result is not True, (
+            "Testcase {} : Failed \nError: Routes "
+            " with high AD are active in RIB".format(tc_name)
+        )
 
     step("Random shut of the nexthop interfaces")
     randnum = random.randint(0, 7)
@@ -699,8 +722,11 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ebgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \n"
-        "Error: Routes are still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \n" "Error: Routes are still present in RIB".format(
+            tc_name
+        )
 
     step("Random no shut of the nexthop interfaces")
     for addr_type in ADDR_TYPES:
@@ -710,8 +736,9 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_5, next_hop=nhip, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \n"
-        "Error: Routes are missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n" "Error: Routes are missing in RIB".format(tc_name)
 
     step("Reload the FRR router")
     # stop/start -> restart FRR router and verify
@@ -740,8 +767,10 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Route with "
-        " lowest AD is missing in RIB".format(tc_name)
+        assert result is True, (
+            "Testcase {} : Failed \nError: Route with "
+            " lowest AD is missing in RIB".format(tc_name)
+        )
 
         nh = []
         for nhp in range(2, 9):
@@ -756,8 +785,10 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ebgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes "
-        " with high AD are active in RIB".format(tc_name)
+        assert result is not True, (
+            "Testcase {} : Failed \nError: Routes "
+            " with high AD are active in RIB".format(tc_name)
+        )
 
     write_test_footer(tc_name)
 
@@ -818,18 +849,25 @@ def test_bgp_local_nexthop_p1_tc14_ebgp(request):
         step("Verify R2 BGP table has IPv4 route")
         dut = "r2"
         result = verify_rib(tgen, addr_type, dut, input_dict_4)
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB of R2".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB of R2".format(
+            tc_name
+        )
 
         step(" Verify route did not install in the R3 BGP table, RIB/FIB")
         dut = "r3"
         result = verify_bgp_rib(tgen, addr_type, dut, input_dict_4, expected=False)
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        " still present in BGP RIB of R2".format(tc_name)
+        assert result is not True, (
+            "Testcase {} : Failed \nError: Routes is"
+            " still present in BGP RIB of R2".format(tc_name)
+        )
 
         result = verify_rib(tgen, addr_type, dut, input_dict_4, expected=False)
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        " still present in RIB of R2".format(tc_name)
+        assert result is not True, (
+            "Testcase {} : Failed \nError: Routes is"
+            " still present in RIB of R2".format(tc_name)
+        )
 
     write_test_footer(tc_name)
 
@@ -889,8 +927,9 @@ def test_frr_intf_name_as_gw_gap_tc4_ebgp_p0(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, protocol=protocol, next_hop=nh
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         input_dict_nh = {
             "r1": {
@@ -902,8 +941,9 @@ def test_frr_intf_name_as_gw_gap_tc4_ebgp_p0(request):
             }
         }
         result = verify_ip_nht(tgen, input_dict_nh)
-        assert result is True, "Testcase {} : Failed \nError: Nexthop is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Nexthop is" " missing in RIB".format(tc_name)
 
         step(
             "Shut / no shut IPv4 and IPv6 static next hop interface from"
@@ -925,8 +965,9 @@ def test_frr_intf_name_as_gw_gap_tc4_ebgp_p0(request):
             next_hop=nh,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         shutdown_bringup_interface(tgen, dut, intf, True)
 
@@ -970,8 +1011,11 @@ def test_frr_intf_name_as_gw_gap_tc4_ebgp_p0(request):
             next_hop=nh,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes" " still present in RIB".format(
+            tc_name
+        )
 
     write_test_footer(tc_name)
 
@@ -1034,8 +1078,9 @@ def test_static_route_with_tag_p0_tc_13_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
         step("Configure route-map on R2 with allow tag1 and deny tag2")
 
@@ -1116,8 +1161,10 @@ def test_static_route_with_tag_p0_tc_13_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_0, protocol=protocol, expected=False
         )
-        assert result is not True, "Testcase {} : Failed \nError: Route with "
-        "tag 4002 is still present in RIB".format(tc_name)
+        assert result is not True, (
+            "Testcase {} : Failed \nError: Route with "
+            "tag 4002 is still present in RIB".format(tc_name)
+        )
 
         dut = "r2"
         input_dict_1 = {
@@ -1125,8 +1172,10 @@ def test_static_route_with_tag_p0_tc_13_ebgp(request):
         }
 
         result = verify_rib(tgen, addr_type, dut, input_dict_0, protocol=protocol)
-        assert result is True, "Testcase {} : Failed \nError: Route with "
-        "tag 4001 is missing in RIB".format(tc_name)
+        assert result is True, (
+            "Testcase {} : Failed \nError: Route with "
+            "tag 4001 is missing in RIB".format(tc_name)
+        )
 
         step("Modify the route-map to allow tag2 and deny tag1")
         # Create route map
@@ -1164,8 +1213,10 @@ def test_static_route_with_tag_p0_tc_13_ebgp(request):
         }
 
         result = verify_rib(tgen, addr_type, dut, input_dict_0, protocol=protocol)
-        assert result is True, "Testcase {} : Failed \nError: Route with "
-        "tag 4002 is missing in RIB".format(tc_name)
+        assert result is True, (
+            "Testcase {} : Failed \nError: Route with "
+            "tag 4002 is missing in RIB".format(tc_name)
+        )
 
         input_dict_1 = {
             "r2": {"static_routes": [{"network": NETWORK[addr_type], "tag": 4001}]}
@@ -1173,8 +1224,10 @@ def test_static_route_with_tag_p0_tc_13_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_1, protocol=protocol, expected=False
         )
-        assert result is not True, "Testcase {} : Failed \nError: Route with "
-        "tag 4001 is still present in RIB".format(tc_name, result)
+        assert result is not True, (
+            "Testcase {} : Failed \nError: Route with "
+            "tag 4001 is still present in RIB".format(tc_name)
+        )
 
     step("Configure one static route with 2 ECMP nexthop N1 and N2")
     step("For N1 configure tag 1 and for N2 configure tag 2")
@@ -1213,8 +1266,9 @@ def test_static_route_with_tag_p0_tc_13_ebgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
     step("shut/no shut of tag1 and tag2 nexthop")
 
diff --git a/tests/topotests/static_routing_with_ebgp/test_static_routes_topo4_ebgp.py b/tests/topotests/static_routing_with_ebgp/test_static_routes_topo4_ebgp.py
index 5d4950a70e..812b39797f 100644
--- a/tests/topotests/static_routing_with_ebgp/test_static_routes_topo4_ebgp.py
+++ b/tests/topotests/static_routing_with_ebgp/test_static_routes_topo4_ebgp.py
@@ -109,7 +109,7 @@ def setup_module(mod):
     Set up the pytest environment.
     * `mod`: module name
     """
-    global topo
+
     testsuite_run_time = time.asctime(time.localtime(time.time()))
     logger.info("Testsuite start time: {}".format(testsuite_run_time))
     logger.info("=" * 40)
@@ -135,8 +135,7 @@ def setup_module(mod):
         pytest.skip(error_msg)
 
     # Checking BGP convergence
-    global BGP_CONVERGENCE
-    global ADDR_TYPES
+
     # Don't run this test if we have any failure.
     if tgen.routers_have_failure():
         pytest.skip(tgen.errors)
@@ -173,7 +172,7 @@ def teardown_module(mod):
 #   Tests starting
 #
 #####################################################
-def static_routes_rmap_pfxlist_p0_tc7_ebgp(request):
+def test_static_routes_rmap_pfxlist_p0_tc7_ebgp(request):
     """
     Verify static route are blocked from route-map & prefix-list applied in BGP
     nbrs
@@ -200,7 +199,7 @@ def static_routes_rmap_pfxlist_p0_tc7_ebgp(request):
     )
 
     for addr_type in ADDR_TYPES:
-        # Api call to modfiy BGP timerse
+        # Api call to modify BGP timers
         input_dict = {
             "r2": {
                 "bgp": {
@@ -241,8 +240,11 @@ def static_routes_rmap_pfxlist_p0_tc7_ebgp(request):
     step(" All BGP nbrs are down as authentication is mismatch on both" " the sides")
 
     bgp_convergence = verify_bgp_convergence(tgen, topo, expected=False)
-    assert bgp_convergence is not True, "Testcase {} : "
-    "Failed \n BGP nbrs must be down. Error: {}".format(tc_name, bgp_convergence)
+    assert (
+        bgp_convergence is not True
+    ), "Testcase {} : " "Failed \n BGP nbrs must be down. Error: {}".format(
+        tc_name, bgp_convergence
+    )
 
     step(
         "Configure 4 IPv4 and 4 IPv6 nbrs with macthing password  "
@@ -337,8 +339,9 @@ def static_routes_rmap_pfxlist_p0_tc7_ebgp(request):
             "show ip prefix list"
         )
         result = verify_prefix_lists(tgen, input_dict_2)
-        assert result is not True, "Testcase {} : Failed \n"
-        " Error: {}".format(tc_name, result)
+        assert result is not True, "Testcase {} : Failed \n" " Error: {}".format(
+            tc_name, result
+        )
 
         step("Redistribute all the routes (connected, static)")
         input_dict_2_r1 = {
@@ -588,8 +591,10 @@ def static_routes_rmap_pfxlist_p0_tc7_ebgp(request):
         result4 = verify_rib(
             tgen, addr_type, dut, input_dict, protocol=protocol, expected=False
         )
-        assert result4 is not True, "Testcase {} : Failed , VM1 route is "
-        "not filtered out via prefix list. \n Error: {}".format(tc_name, result4)
+        assert result4 is not True, (
+            "Testcase {} : Failed , VM1 route is "
+            "not filtered out via prefix list. \n Error: {}".format(tc_name, result4)
+        )
 
         step(
             "VM4 and VM6 IPV4 and IPv6 address are present in local and "
@@ -964,8 +969,10 @@ def static_routes_rmap_pfxlist_p0_tc7_ebgp(request):
         )
         input_dict = {"r1": {"static_routes": [{"network": ntwk_r2_vm1}]}}
         result4 = verify_rib(tgen, addr_type, dut, input_dict)
-        assert result4 is True, "Testcase {} : Failed , VM1 route is "
-        "not filtered out via prefix list. \n Error: {}".format(tc_name, result4)
+        assert result4 is True, (
+            "Testcase {} : Failed , VM1 route is "
+            "not filtered out via prefix list. \n Error: {}".format(tc_name, result4)
+        )
 
         step("vm4 should be present in FRR2")
         dut = "r2"
@@ -976,8 +983,10 @@ def static_routes_rmap_pfxlist_p0_tc7_ebgp(request):
         )
         input_dict = {"r1": {"static_routes": [{"network": ntwk_r2_vm1}]}}
         result4 = verify_rib(tgen, addr_type, dut, input_dict)
-        assert result4 is True, "Testcase {} : Failed , VM1 route is "
-        "not filtered out via prefix list. \n Error: {}".format(tc_name, result4)
+        assert result4 is True, (
+            "Testcase {} : Failed , VM1 route is "
+            "not filtered out via prefix list. \n Error: {}".format(tc_name, result4)
+        )
 
         dut = "r3"
         protocol = "bgp"
diff --git a/tests/topotests/static_routing_with_ibgp/test_static_routes_topo1_ibgp.py b/tests/topotests/static_routing_with_ibgp/test_static_routes_topo1_ibgp.py
index 8c2fdfca13..4e23a72423 100644
--- a/tests/topotests/static_routing_with_ibgp/test_static_routes_topo1_ibgp.py
+++ b/tests/topotests/static_routing_with_ibgp/test_static_routes_topo1_ibgp.py
@@ -242,8 +242,9 @@ def test_static_route_2nh_p0_tc_1_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         step("Configure IBGP IPv4 peering between R2 and R3 router.")
         step("Configure redistribute static in BGP on R2 router")
@@ -296,15 +297,19 @@ def test_static_route_2nh_p0_tc_1_ibgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" " still present in RIB".format(
+            tc_name
+        )
 
         nh = [NEXT_HOP_IP["nh2"][addr_type]]
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         step("Configure the static route with nexthop N1")
 
@@ -359,15 +364,19 @@ def test_static_route_2nh_p0_tc_1_ibgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" " still present in RIB".format(
+            tc_name
+        )
 
         nh = [NEXT_HOP_IP["nh1"][addr_type]]
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         step("Configure the static route with nexthop N2")
         input_dict_4 = {
@@ -398,8 +407,9 @@ def test_static_route_2nh_p0_tc_1_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         nh = NEXT_HOP_IP["nh1"][addr_type]
         result = verify_rib(
@@ -411,15 +421,21 @@ def test_static_route_2nh_p0_tc_1_ibgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" " still present in RIB".format(
+            tc_name
+        )
 
         dut = "r3"
         result = verify_bgp_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, expected=False
         )
-        assert result is not True, "Testcase {} : Failed \nError: Route is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Route is" " still present in RIB".format(
+            tc_name
+        )
 
         result = verify_rib(
             tgen,
@@ -430,27 +446,35 @@ def test_static_route_2nh_p0_tc_1_ibgp(request):
             next_hop=nh,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Route is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Route is" " still present in RIB".format(
+            tc_name
+        )
 
         dut = "r2"
         nh = [NEXT_HOP_IP["nh2"][addr_type]]
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         dut = "r3"
         result = verify_bgp_rib(tgen, addr_type, dut, input_dict_4)
-        assert result is True, "Testcase {} : Failed \nError: Route is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Route is" " missing in RIB".format(tc_name)
 
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, protocol=protocol, expected=False
         )
-        assert result is not True, "Testcase {} : Failed \nError: Route is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Route is" " still present in RIB".format(
+            tc_name
+        )
 
         dut = "r2"
         step("No shut the nexthop interface N1")
@@ -465,8 +489,9 @@ def test_static_route_2nh_p0_tc_1_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         step("Shut nexthop interface N2")
         intf = topo["routers"]["r2"]["links"]["r1-link1"]["interface"]
@@ -488,8 +513,11 @@ def test_static_route_2nh_p0_tc_1_ibgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" " still present in RIB".format(
+            tc_name
+        )
 
         nh = [NEXT_HOP_IP["nh1"][addr_type]]
         dut = "r2"
@@ -497,19 +525,24 @@ def test_static_route_2nh_p0_tc_1_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         dut = "r3"
         result = verify_bgp_rib(tgen, addr_type, dut, input_dict_4)
-        assert result is True, "Testcase {} : Failed \nError: Route is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Route is" " missing in RIB".format(tc_name)
 
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, protocol=protocol, expected=False
         )
-        assert result is not True, "Testcase {} : Failed \nError: Route is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Route is" " still present in RIB".format(
+            tc_name
+        )
 
         step("No shut nexthop interface N2")
         dut = "r2"
@@ -524,19 +557,24 @@ def test_static_route_2nh_p0_tc_1_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         dut = "r3"
         result = verify_bgp_rib(tgen, addr_type, dut, input_dict_4)
-        assert result is True, "Testcase {} : Failed \nError: Route is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Route is" " missing in RIB".format(tc_name)
 
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, protocol=protocol, expected=False
         )
-        assert result is not True, "Testcase {} : Failed \nError: Route is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Route is" " still present in RIB".format(
+            tc_name
+        )
 
         step("Reload the FRR router")
         # stop/start -> restart FRR router and verify
@@ -552,19 +590,26 @@ def test_static_route_2nh_p0_tc_1_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         dut = "r3"
         result = verify_bgp_rib(tgen, addr_type, dut, input_dict_4)
-        assert result is True, "Testcase {} : Failed \nError: Route is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Route is" " still present in RIB".format(
+            tc_name
+        )
 
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, protocol=protocol, expected=False
         )
-        assert result is not True, "Testcase {} : Failed \nError: Route is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Route is" " still present in RIB".format(
+            tc_name
+        )
 
     write_test_footer(tc_name)
 
@@ -636,8 +681,9 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, rte1_nh1, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        "missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" "missing in RIB".format(tc_name)
 
         rte2_nh2 = {
             "r2": {
@@ -663,8 +709,9 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ibgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        "not active in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" "not active in RIB".format(tc_name)
 
         step("Configure IBGP IPv4 peering between R2 and R3 router.")
         step("Explicit route is added in R3 for R2 nexthop rechability")
@@ -753,8 +800,9 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ibgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        "missing in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" "missing in RIB".format(tc_name)
 
         rte2_nh2 = {
             "r2": {
@@ -771,8 +819,9 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, rte2_nh2, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        "not active in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" "not active in RIB".format(tc_name)
 
         step("Configure the static route with nexthop N1")
         rte1_nh1 = {
@@ -825,15 +874,19 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ibgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" " still present in RIB".format(
+            tc_name
+        )
 
         nh = [NEXT_HOP_IP["nh1"][addr_type]]
         result = verify_rib(
             tgen, addr_type, dut, rte1_nh1, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         step("Configure the static route with nexthop N2")
         rte2_nh2 = {
@@ -871,15 +924,19 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ibgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" " still present in RIB".format(
+            tc_name
+        )
 
         nh = [NEXT_HOP_IP["nh2"][addr_type]]
         result = verify_rib(
             tgen, addr_type, dut, rte2_nh2, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         step("No shut the nexthop interface N1")
         shutdown_bringup_interface(tgen, dut, intf, True)
@@ -893,8 +950,9 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, rte1_nh1, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         step("Shut nexthop interface N2")
         intf = topo["routers"]["r2"]["links"]["r1-link1"]["interface"]
@@ -916,15 +974,19 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ibgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" " still present in RIB".format(
+            tc_name
+        )
 
         nh = [NEXT_HOP_IP["nh1"][addr_type]]
         result = verify_rib(
             tgen, addr_type, dut, rte1_nh1, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB".format(tc_name)
 
         step("No shut nexthop interface N2")
         shutdown_bringup_interface(tgen, dut, intf, True)
@@ -950,8 +1012,9 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, rte1_nh1, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        "missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" "missing in RIB".format(tc_name)
 
         rte2_nh2 = {
             "r2": {
@@ -977,8 +1040,9 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ibgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        "not active in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" "not active in RIB".format(tc_name)
 
         dut = "r3"
         protocol = "bgp"
@@ -993,8 +1057,9 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ibgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        "not active in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" "not active in RIB".format(tc_name)
 
         dut = "r2"
         step("Reload the FRR router")
@@ -1024,14 +1089,16 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, rte1_nh1, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        "missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" "missing in RIB".format(tc_name)
 
         dut = "r3"
         protocol = "bgp"
         result = verify_bgp_rib(tgen, addr_type, dut, rte1_nh1, next_hop=nh)
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        "missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" "missing in RIB".format(tc_name)
 
         rte2_nh2 = {
             "r2": {
@@ -1057,14 +1124,16 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ibgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        "not active in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" "not active in RIB".format(tc_name)
 
         dut = "r3"
         protocol = "bgp"
         result = verify_bgp_rib(tgen, addr_type, dut, rte2_nh2, next_hop=nh)
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        "not active in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" "not active in RIB".format(tc_name)
 
         result = verify_rib(
             tgen,
@@ -1076,8 +1145,9 @@ def test_static_route_2nh_admin_dist_p0_tc_2_ibgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        "not active in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes is" "not active in RIB".format(tc_name)
 
     write_test_footer(tc_name)
 
diff --git a/tests/topotests/static_routing_with_ibgp/test_static_routes_topo2_ibgp.py b/tests/topotests/static_routing_with_ibgp/test_static_routes_topo2_ibgp.py
index 644ddc02d4..ee0e01b411 100644
--- a/tests/topotests/static_routing_with_ibgp/test_static_routes_topo2_ibgp.py
+++ b/tests/topotests/static_routing_with_ibgp/test_static_routes_topo2_ibgp.py
@@ -318,8 +318,9 @@ def test_static_rte_with_8ecmp_nh_p1_tc9_ibgp(request):
             next_hop=nh_all[addr_type],
             protocol=protocol,
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
     step("Configure redistribute static in BGP on R2 router")
     for addr_type in ADDR_TYPES:
@@ -342,8 +343,9 @@ def test_static_rte_with_8ecmp_nh_p1_tc9_ibgp(request):
         dut = "r3"
         protocol = "bgp"
         result = verify_bgp_rib(tgen, addr_type, dut, input_dict_4)
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
     step(
         "Remove the static route configured with nexthop N1 to N8, one"
@@ -388,8 +390,11 @@ def test_static_rte_with_8ecmp_nh_p1_tc9_ibgp(request):
                 protocol=protocol,
                 expected=False,
             )
-            assert result is not True, "Testcase {} : Failed\nError: Routes is"
-            " still present in RIB".format(tc_name)
+            assert (
+                result is not True
+            ), "Testcase {} : Failed\nError: Routes is" " still present in RIB".format(
+                tc_name
+            )
 
     step("Configure the static route with nexthop N1 to N8, one by one")
     for addr_type in ADDR_TYPES:
@@ -414,8 +419,11 @@ def test_static_rte_with_8ecmp_nh_p1_tc9_ibgp(request):
             result = verify_rib(
                 tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
             )
-            assert result is True, "Testcase {} : Failed\nError: Routes are"
-            " missing in RIB".format(tc_name)
+            assert (
+                result is True
+            ), "Testcase {} : Failed\nError: Routes are" " missing in RIB".format(
+                tc_name
+            )
 
     protocol = "static"
     step("Random shut of the nexthop interfaces")
@@ -423,7 +431,7 @@ def test_static_rte_with_8ecmp_nh_p1_tc9_ibgp(request):
     # Shutdown interface
     dut = "r2"
     step(
-        " interface which is about to be shut no shut between r1 and r2 is " "%s",
+        " interface which is about to be shut no shut between r1 and r2 is %s",
         topo["routers"]["r2"]["links"]["r1-link{}".format(randnum)]["interface"],
     )
     intf = topo["routers"]["r2"]["links"]["r1-link{}".format(randnum)]["interface"]
@@ -459,8 +467,9 @@ def test_static_rte_with_8ecmp_nh_p1_tc9_ibgp(request):
         next_hop=nh_all[addr_type],
         protocol=protocol,
     )
-    assert result is True, "Testcase {} : Failed \nError: Routes are"
-    " missing in RIB".format(tc_name)
+    assert (
+        result is True
+    ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
     step("Remove random static route with all the nexthop")
     dut = "r2"
@@ -497,8 +506,9 @@ def test_static_rte_with_8ecmp_nh_p1_tc9_ibgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
     for addr_type in ADDR_TYPES:
         input_dict_4 = {
@@ -550,8 +560,9 @@ def test_static_rte_with_8ecmp_nh_p1_tc9_ibgp(request):
             next_hop=nh_all[addr_type],
             protocol=protocol,
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
     step("Remove the redistribute static knob")
     for addr_type in ADDR_TYPES:
@@ -584,8 +595,11 @@ def test_static_rte_with_8ecmp_nh_p1_tc9_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, protocol=protocol, expected=False
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes are"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+            tc_name
+        )
 
     write_test_footer(tc_name)
 
@@ -665,8 +679,9 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
         nh = []
         for nhp in range(2, 9):
@@ -683,8 +698,9 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ibgp(request):
             wait=2,
             attempts=3,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes "
-        " are missing in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes " " are missing in RIB".format(tc_name)
 
     step(
         "Remove the static route configured with nexthop N1 to N8, one"
@@ -727,8 +743,11 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ibgp(request):
         protocol=protocol,
         expected=False,
     )
-    assert result is not True, "Testcase {} : Failed \nError: Routes are"
-    " still present in RIB".format(tc_name)
+    assert (
+        result is not True
+    ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+        tc_name
+    )
 
     step("Configure the static route with nexthop N1 to N8, one by one")
 
@@ -774,8 +793,9 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
         nh = []
         for nhp in range(2, 9):
             nh.append(NEXT_HOP_IP["nh" + str(nhp)][addr_type])
@@ -791,8 +811,9 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ibgp(request):
             wait=2,
             attempts=3,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes "
-        " are missing in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes " " are missing in RIB".format(tc_name)
 
     step("Random shut of the nexthop interfaces")
     randnum = random.randint(0, 7)
@@ -819,8 +840,11 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ibgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \n"
-        "Error: Routes are still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \n" "Error: Routes are still present in RIB".format(
+            tc_name
+        )
 
     step("Random no shut of the nexthop interfaces")
     for addr_type in ADDR_TYPES:
@@ -830,8 +854,9 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_5, next_hop=nhip, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \n"
-        "Error: Routes are missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n" "Error: Routes are missing in RIB".format(tc_name)
 
     protocol = "bgp"
     # this is next hop reachability route  in r3 as we are using ibgp
@@ -856,8 +881,9 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ibgp(request):
     for addr_type in ADDR_TYPES:
         input_dict_4 = {"r2": {"static_routes": [{"network": PREFIX1[addr_type]}]}}
         result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
-        assert result is True, "Testcase {} : Failed \n"
-        "Error: Routes are missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n" "Error: Routes are missing in RIB".format(tc_name)
 
     protocol = "static"
     dut = "r2"
@@ -866,7 +892,7 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ibgp(request):
         result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
         assert (
             result is True
-        ), "Testcase {}: Failed \n " "Error: Routes are missing in RIB".format(tc_name)
+        ), "Testcase {}: Failed \n Error: Routes are missing in RIB".format(tc_name)
 
     protocol = "bgp"
     dut = "r3"
@@ -875,7 +901,7 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ibgp(request):
         result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
         assert (
             result is True
-        ), "Testcase {}: Failed \n " "Error: Routes are missing in RIB".format(tc_name)
+        ), "Testcase {}: Failed \n Error: Routes are missing in RIB".format(tc_name)
 
     step("Reload the FRR router")
     # stop/start -> restart FRR router and verify
@@ -888,7 +914,7 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ibgp(request):
         result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
         assert (
             result is True
-        ), "Testcase {} : Failed \n" "Error: Routes are still present in RIB".format(
+        ), "Testcase {} : Failed \nError: Routes are still present in RIB".format(
             tc_name
         )
 
@@ -912,7 +938,7 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ibgp(request):
         result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
         assert (
             result is True
-        ), "Testcase {} : Failed \n" "Error: Routes are still present in RIB".format(
+        ), "Testcase {} : Failed \nError: Routes are still present in RIB".format(
             tc_name
         )
 
@@ -923,7 +949,7 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ibgp(request):
         result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
         assert (
             result is True
-        ), "Testcase {} : Failed \n" "Error: Routes are still present in RIB".format(
+        ), "Testcase {} : Failed \nError: Routes are still present in RIB".format(
             tc_name
         )
 
@@ -964,8 +990,10 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc6_ibgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes are"
-        " strill present in RIB of R3".format(tc_name)
+        assert result is not True, (
+            "Testcase {} : Failed \nError: Routes are"
+            " strill present in RIB of R3".format(tc_name)
+        )
 
     write_test_footer(tc_name)
 
@@ -1060,8 +1088,9 @@ def test_static_route_8nh_diff_AD_ibgp_ecmp_p1_tc7_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
         nh = []
         for nhp in range(2, 9):
@@ -1076,8 +1105,9 @@ def test_static_route_8nh_diff_AD_ibgp_ecmp_p1_tc7_ibgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes "
-        " are missing in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes " " are missing in RIB".format(tc_name)
 
     step(
         "Remove the static route configured with nexthop N1 to N8, one"
@@ -1120,8 +1150,11 @@ def test_static_route_8nh_diff_AD_ibgp_ecmp_p1_tc7_ibgp(request):
         protocol=protocol,
         expected=False,
     )
-    assert result is not True, "Testcase {} : Failed \nError: Routes are"
-    " still present in RIB".format(tc_name)
+    assert (
+        result is not True
+    ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+        tc_name
+    )
 
     step("Configure the static route with nexthop N1 to N8, one by one")
 
@@ -1167,8 +1200,9 @@ def test_static_route_8nh_diff_AD_ibgp_ecmp_p1_tc7_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
         nh = []
         for nhp in range(2, 9):
             nh.append(NEXT_HOP_IP["nh" + str(nhp)][addr_type])
@@ -1182,8 +1216,9 @@ def test_static_route_8nh_diff_AD_ibgp_ecmp_p1_tc7_ibgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes "
-        " are missing in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes " " are missing in RIB".format(tc_name)
 
     step("Random shut of the nexthop interfaces")
     randnum = random.randint(0, 7)
@@ -1210,8 +1245,11 @@ def test_static_route_8nh_diff_AD_ibgp_ecmp_p1_tc7_ibgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \n"
-        "Error: Routes are still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \n" "Error: Routes are still present in RIB".format(
+            tc_name
+        )
 
     step("Random no shut of the nexthop interfaces")
     for addr_type in ADDR_TYPES:
@@ -1221,8 +1259,9 @@ def test_static_route_8nh_diff_AD_ibgp_ecmp_p1_tc7_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_5, next_hop=nhip, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \n"
-        "Error: Routes are missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n" "Error: Routes are missing in RIB".format(tc_name)
 
     dut = "r2"
     protocol = "bgp"
@@ -1249,8 +1288,9 @@ def test_static_route_8nh_diff_AD_ibgp_ecmp_p1_tc7_ibgp(request):
     for addr_type in ADDR_TYPES:
         input_dict_4 = {"r2": {"static_routes": [{"network": PREFIX1[addr_type]}]}}
         result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
-        assert result is True, "Testcase {} : Failed \n"
-        "Error: Routes are missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n" "Error: Routes are missing in RIB".format(tc_name)
 
     protocol = "static"
     dut = "r2"
@@ -1259,7 +1299,7 @@ def test_static_route_8nh_diff_AD_ibgp_ecmp_p1_tc7_ibgp(request):
         result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
         assert (
             result is True
-        ), "Testcase {}: Failed \n " "Error: Routes are missing in RIB".format(tc_name)
+        ), "Testcase {}: Failed \n Error: Routes are missing in RIB".format(tc_name)
 
     protocol = "bgp"
     dut = "r3"
@@ -1268,7 +1308,7 @@ def test_static_route_8nh_diff_AD_ibgp_ecmp_p1_tc7_ibgp(request):
         result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
         assert (
             result is True
-        ), "Testcase {}: Failed \n " "Error: Routes are missing in RIB".format(tc_name)
+        ), "Testcase {}: Failed \n Error: Routes are missing in RIB".format(tc_name)
 
     step("Reload the FRR router")
     # stop/start -> restart FRR router and verify
@@ -1281,7 +1321,7 @@ def test_static_route_8nh_diff_AD_ibgp_ecmp_p1_tc7_ibgp(request):
         result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
         assert (
             result is True
-        ), "Testcase {} : Failed \n" "Error: Routes are still present in RIB".format(
+        ), "Testcase {} : Failed \n Error: Routes are still present in RIB".format(
             tc_name
         )
 
@@ -1305,7 +1345,7 @@ def test_static_route_8nh_diff_AD_ibgp_ecmp_p1_tc7_ibgp(request):
         result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
         assert (
             result is True
-        ), "Testcase {} : Failed \n" "Error: Routes are still present in RIB".format(
+        ), "Testcase {} : Failed \n Error: Routes are still present in RIB".format(
             tc_name
         )
 
@@ -1316,7 +1356,7 @@ def test_static_route_8nh_diff_AD_ibgp_ecmp_p1_tc7_ibgp(request):
         result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
         assert (
             result is True
-        ), "Testcase {} : Failed \n" "Error: Routes are still present in RIB".format(
+        ), "Testcase {} : Failed \n Error: Routes are still present in RIB".format(
             tc_name
         )
 
@@ -1357,8 +1397,10 @@ def test_static_route_8nh_diff_AD_ibgp_ecmp_p1_tc7_ibgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes are"
-        " still present in RIB of R3".format(tc_name)
+        assert result is not True, (
+            "Testcase {} : Failed \nError: Routes are"
+            " still present in RIB of R3".format(tc_name)
+        )
 
     write_test_footer(tc_name)
 
@@ -1453,8 +1495,9 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc10_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
         step("Verify that highest AD nexthop are inactive")
         nh = []
@@ -1472,8 +1515,9 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc10_ibgp(request):
             wait=2,
             attempts=3,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes "
-        " are missing in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes " " are missing in RIB".format(tc_name)
 
     step("Configure redistribute static in BGP on R2 router")
     for addr_type in ADDR_TYPES:
@@ -1535,8 +1579,11 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc10_ibgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes are"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+            tc_name
+        )
 
     step("Configure the static route with nexthop N1 to N8, one by one")
     for addr_type in ADDR_TYPES:
@@ -1578,8 +1625,10 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc10_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Route with "
-        "lowest AD  is missing in RIB".format(tc_name)
+        assert result is True, (
+            "Testcase {} : Failed \nError: Route with "
+            "lowest AD  is missing in RIB".format(tc_name)
+        )
 
     step("Random shut of the nexthop interfaces")
     randnum = random.randint(0, 7)
@@ -1606,8 +1655,11 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc10_ibgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \n"
-        "Error: Routes are still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \n" "Error: Routes are still present in RIB".format(
+            tc_name
+        )
 
     step("Random no shut of the nexthop interfaces")
     for addr_type in ADDR_TYPES:
@@ -1617,8 +1669,9 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc10_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_5, next_hop=nhip, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \n"
-        "Error: Routes are missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n" "Error: Routes are missing in RIB".format(tc_name)
 
     step("Remove random static route with all the nexthop")
     for addr_type in ADDR_TYPES:
@@ -1657,8 +1710,10 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc10_ibgp(request):
                 protocol=protocol,
                 expected=False,
             )
-            assert result is not True, "Testcase {} : Failed \nError: Route "
-            " is still present in RIB".format(tc_name)
+            assert result is not True, (
+                "Testcase {} : Failed \nError: Route "
+                " is still present in RIB".format(tc_name)
+            )
 
         step("Reconfigure the deleted routes and verify they are installed")
         for nhp in range(1, 9):
@@ -1683,8 +1738,10 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc10_ibgp(request):
             protocol = "static"
             nh = NEXT_HOP_IP["nh1"][addr_type]
             result = verify_rib(tgen, addr_type, dut, input_dict_4, protocol=protocol)
-            assert result is True, "Testcase {} : Failed \nError: Route "
-            " is still present in RIB".format(tc_name)
+            assert result is True, (
+                "Testcase {} : Failed \nError: Route "
+                " is still present in RIB".format(tc_name)
+            )
 
             step("Reload the FRR router")
             # stop/start -> restart FRR router and verify
@@ -1704,9 +1761,7 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc10_ibgp(request):
             )
             assert (
                 result is True
-            ), "Testcase {} : Failed \nError: Route " " is missing in RIB".format(
-                tc_name
-            )
+            ), "Testcase {} : Failed \nError: Route is missing in RIB".format(tc_name)
 
     step("Remove the redistribute static knob")
     for addr_type in ADDR_TYPES:
@@ -1750,8 +1805,11 @@ def test_static_route_8nh_diff_AD_bgp_ecmp_p1_tc10_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, protocol=protocol, expected=False
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes are"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+            tc_name
+        )
 
     write_test_footer(tc_name)
 
@@ -1845,8 +1903,9 @@ def test_static_route_delete_p0_tc11_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
         step("Verify that highest AD nexthop are inactive")
         nh = []
@@ -1862,8 +1921,9 @@ def test_static_route_delete_p0_tc11_ibgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes "
-        " are missing in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes " " are missing in RIB".format(tc_name)
 
     step("Configure redistribute static in BGP on R2 router")
     for addr_type in ADDR_TYPES:
@@ -1915,8 +1975,11 @@ def test_static_route_delete_p0_tc11_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, protocol=protocol, expected=False
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes are"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+            tc_name
+        )
 
     for addr_type in ADDR_TYPES:
         for nhp in range(1, 9):
@@ -1983,8 +2046,12 @@ def test_static_route_delete_p0_tc11_ibgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes are"
-        " still active in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes are" " still active in RIB".format(
+            tc_name
+        )
+
     write_test_footer(tc_name)
 
 
diff --git a/tests/topotests/static_routing_with_ibgp/test_static_routes_topo3_ibgp.py b/tests/topotests/static_routing_with_ibgp/test_static_routes_topo3_ibgp.py
index 8f9d88a442..c84c88ac35 100644
--- a/tests/topotests/static_routing_with_ibgp/test_static_routes_topo3_ibgp.py
+++ b/tests/topotests/static_routing_with_ibgp/test_static_routes_topo3_ibgp.py
@@ -298,8 +298,9 @@ def test_staticroute_with_ecmp_p0_tc3_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \nError: Routes are"
-        " missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
     step("Configure redistribute static in BGP on R2 router")
     for addr_type in ADDR_TYPES:
         input_dict_2 = {
@@ -352,8 +353,11 @@ def test_staticroute_with_ecmp_p0_tc3_ibgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes are"
-        " still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+            tc_name
+        )
 
     step("Configure the static route with nexthop N1 to N8, one by" "one")
 
@@ -380,8 +384,9 @@ def test_staticroute_with_ecmp_p0_tc3_ibgp(request):
     result = verify_rib(
         tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
     )
-    assert result is True, "Testcase {} : Failed \nError: Routes are"
-    " missing in RIB".format(tc_name)
+    assert (
+        result is True
+    ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
     step("Random shut of the nexthop interfaces")
     randnum = random.randint(0, 7)
@@ -408,8 +413,11 @@ def test_staticroute_with_ecmp_p0_tc3_ibgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \n"
-        "Error: Routes are still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \n" "Error: Routes are still present in RIB".format(
+            tc_name
+        )
 
     step("Random no shut of the nexthop interfaces")
     for addr_type in ADDR_TYPES:
@@ -419,8 +427,9 @@ def test_staticroute_with_ecmp_p0_tc3_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_5, next_hop=nhip, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \n"
-        "Error: Routes are missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n" "Error: Routes are missing in RIB".format(tc_name)
 
     step("Reload the FRR router")
     # stop/start -> restart FRR router and verify
@@ -430,8 +439,9 @@ def test_staticroute_with_ecmp_p0_tc3_ibgp(request):
     result = verify_rib(
         tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol
     )
-    assert result is True, "Testcase {} : Failed \nError: Routes are"
-    " missing in RIB".format(tc_name)
+    assert (
+        result is True
+    ), "Testcase {} : Failed \nError: Routes are" " missing in RIB".format(tc_name)
 
     write_test_footer(tc_name)
 
@@ -510,8 +520,10 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Route with "
-        " lowest AD is missing in RIB".format(tc_name)
+        assert result is True, (
+            "Testcase {} : Failed \nError: Route with "
+            " lowest AD is missing in RIB".format(tc_name)
+        )
 
         nh = []
         for nhp in range(2, 9):
@@ -526,8 +538,10 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ibgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes "
-        " with high AD are active in RIB".format(tc_name)
+        assert result is not True, (
+            "Testcase {} : Failed \nError: Routes "
+            " with high AD are active in RIB".format(tc_name)
+        )
 
     step("Configure redistribute static in BGP on R2 router")
     for addr_type in ADDR_TYPES:
@@ -570,8 +584,10 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Route with "
-        " lowest AD is missing in RIB".format(tc_name)
+        assert result is True, (
+            "Testcase {} : Failed \nError: Route with "
+            " lowest AD is missing in RIB".format(tc_name)
+        )
 
     step(
         "Remove the static route configured with nexthop N1 to N8, one"
@@ -614,8 +630,11 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ibgp(request):
         protocol=protocol,
         expected=False,
     )
-    assert result is not True, "Testcase {} : Failed \nError: Routes are"
-    " still present in RIB".format(tc_name)
+    assert (
+        result is not True
+    ), "Testcase {} : Failed \nError: Routes are" " still present in RIB".format(
+        tc_name
+    )
 
     step("Configure the static route with nexthop N1 to N8, one by" "one")
     for addr_type in ADDR_TYPES:
@@ -656,8 +675,10 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Route with "
-        " lowest AD is missing in RIB".format(tc_name)
+        assert result is True, (
+            "Testcase {} : Failed \nError: Route with "
+            " lowest AD is missing in RIB".format(tc_name)
+        )
 
         nh = []
         for nhp in range(2, 9):
@@ -672,8 +693,10 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ibgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes "
-        " with high AD are active in RIB".format(tc_name)
+        assert result is not True, (
+            "Testcase {} : Failed \nError: Routes "
+            " with high AD are active in RIB".format(tc_name)
+        )
 
     step("Random shut of the nexthop interfaces")
     randnum = random.randint(0, 7)
@@ -700,8 +723,11 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ibgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \n"
-        "Error: Routes are still present in RIB".format(tc_name)
+        assert (
+            result is not True
+        ), "Testcase {} : Failed \n" "Error: Routes are still present in RIB".format(
+            tc_name
+        )
 
     step("Random no shut of the nexthop interfaces")
     for addr_type in ADDR_TYPES:
@@ -711,8 +737,9 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_5, next_hop=nhip, protocol=protocol
         )
-        assert result is True, "Testcase {} : Failed \n"
-        "Error: Routes are missing in RIB".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \n" "Error: Routes are missing in RIB".format(tc_name)
 
     step("Reload the FRR router")
     # stop/start -> restart FRR router and verify
@@ -741,8 +768,10 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ibgp(request):
         result = verify_rib(
             tgen, addr_type, dut, input_dict_4, next_hop=nh, protocol=protocol, fib=True
         )
-        assert result is True, "Testcase {} : Failed \nError: Route with "
-        " lowest AD is missing in RIB".format(tc_name)
+        assert result is True, (
+            "Testcase {} : Failed \nError: Route with "
+            " lowest AD is missing in RIB".format(tc_name)
+        )
 
         nh = []
         for nhp in range(2, 9):
@@ -757,8 +786,10 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ibgp(request):
             fib=True,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes "
-        " with high AD are active in RIB".format(tc_name)
+        assert result is not True, (
+            "Testcase {} : Failed \nError: Routes "
+            " with high AD are active in RIB".format(tc_name)
+        )
 
     step("Remove the redistribute static knob")
 
@@ -796,8 +827,10 @@ def test_staticroute_with_ecmp_with_diff_AD_p0_tc4_ibgp(request):
             protocol=protocol,
             expected=False,
         )
-        assert result is not True, "Testcase {} : Failed \nError: Routes are"
-        " strill present in RIB of R3".format(tc_name)
+        assert result is not True, (
+            "Testcase {} : Failed \nError: Routes are"
+            " still present in RIB of R3".format(tc_name)
+        )
 
     write_test_footer(tc_name)
 
@@ -858,18 +891,25 @@ def test_bgp_local_nexthop_p1_tc14_ibgp(request):
         step("Verify R2 BGP table has IPv4 route")
         dut = "r2"
         result = verify_rib(tgen, addr_type, dut, input_dict_4)
-        assert result is True, "Testcase {} : Failed \nError: Routes is"
-        " missing in RIB of R2".format(tc_name)
+        assert (
+            result is True
+        ), "Testcase {} : Failed \nError: Routes is" " missing in RIB of R2".format(
+            tc_name
+        )
 
         step(" Verify route did not install in the R3 BGP table, RIB/FIB")
         dut = "r3"
         result = verify_bgp_rib(tgen, addr_type, dut, input_dict_4, expected=False)
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        " still present in BGP RIB of R2".format(tc_name)
+        assert result is not True, (
+            "Testcase {} : Failed \nError: Routes is"
+            " still present in BGP RIB of R2".format(tc_name)
+        )
 
         result = verify_rib(tgen, addr_type, dut, input_dict_4, expected=False)
-        assert result is not True, "Testcase {} : Failed \nError: Routes is"
-        " still present in RIB of R2".format(tc_name)
+        assert result is not True, (
+            "Testcase {} : Failed \nError: Routes is"
+            " still present in RIB of R2".format(tc_name)
+        )
 
     write_test_footer(tc_name)
 
diff --git a/tests/topotests/static_routing_with_ibgp/test_static_routes_topo4_ibgp.py b/tests/topotests/static_routing_with_ibgp/test_static_routes_topo4_ibgp.py
index 09c437c3c4..a82ee64538 100644
--- a/tests/topotests/static_routing_with_ibgp/test_static_routes_topo4_ibgp.py
+++ b/tests/topotests/static_routing_with_ibgp/test_static_routes_topo4_ibgp.py
@@ -239,8 +239,11 @@ def test_static_routes_rmap_pfxlist_p0_tc7_ibgp(request):
     step(" All BGP nbrs are down as authentication is mismatch on both" " the sides")
 
     bgp_convergence = verify_bgp_convergence(tgen, topo, expected=False)
-    assert bgp_convergence is not True, "Testcase {} : "
-    "Failed \n BGP nbrs must be down. Error: {}".format(tc_name, bgp_convergence)
+    assert (
+        bgp_convergence is not True
+    ), "Testcase {} : " "Failed \n BGP nbrs must be down. Error: {}".format(
+        tc_name, bgp_convergence
+    )
 
     step(
         "Configure 4 IPv4 and 4 IPv6 nbrs with macthing password  "
@@ -335,8 +338,9 @@ def test_static_routes_rmap_pfxlist_p0_tc7_ibgp(request):
             "show ip prefix list"
         )
         result = verify_prefix_lists(tgen, input_dict_2)
-        assert result is not True, "Testcase {} : Failed \n"
-        " Error: {}".format(tc_name, result)
+        assert result is not True, "Testcase {} : Failed \n" " Error: {}".format(
+            tc_name, result
+        )
 
         step("Redistribute all the routes (connected, static)")
         input_dict_2_r1 = {
@@ -586,8 +590,10 @@ def test_static_routes_rmap_pfxlist_p0_tc7_ibgp(request):
         result4 = verify_rib(
             tgen, addr_type, dut, input_dict, protocol=protocol, expected=False
         )
-        assert result4 is not True, "Testcase {} : Failed , VM1 route is "
-        "not filtered out via prefix list. \n Error: {}".format(tc_name, result4)
+        assert result4 is not True, (
+            "Testcase {} : Failed , VM1 route is "
+            "not filtered out via prefix list. \n Error: {}".format(tc_name, result4)
+        )
 
         step(
             "VM4 and VM6 IPV4 and IPv6 address are present in local and "
@@ -962,8 +968,10 @@ def test_static_routes_rmap_pfxlist_p0_tc7_ibgp(request):
         )
         input_dict = {"r1": {"static_routes": [{"network": ntwk_r2_vm1}]}}
         result4 = verify_rib(tgen, addr_type, dut, input_dict)
-        assert result4 is True, "Testcase {} : Failed , VM1 route is "
-        "not filtered out via prefix list. \n Error: {}".format(tc_name, result4)
+        assert result4 is True, (
+            "Testcase {} : Failed , VM1 route is "
+            "not filtered out via prefix list. \n Error: {}".format(tc_name, result4)
+        )
 
         step("vm4 should be present in FRR2")
         dut = "r2"
@@ -974,8 +982,10 @@ def test_static_routes_rmap_pfxlist_p0_tc7_ibgp(request):
         )
         input_dict = {"r1": {"static_routes": [{"network": ntwk_r2_vm1}]}}
         result4 = verify_rib(tgen, addr_type, dut, input_dict)
-        assert result4 is True, "Testcase {} : Failed , VM1 route is "
-        "not filtered out via prefix list. \n Error: {}".format(tc_name, result4)
+        assert result4 is True, (
+            "Testcase {} : Failed , VM1 route is "
+            "not filtered out via prefix list. \n Error: {}".format(tc_name, result4)
+        )
 
         dut = "r3"
         protocol = "bgp"