lib, test: fix display ipv4 mapped ipv6 addresses

Display ipv4 mapped ipv6 addresses in the format ::ffff:A.B.C.D.

Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>

21 files changed, 91 insertions, 80 deletions

diff --git a/lib/ntop.c b/lib/ntop.c
index 89b4d5ecdc..edf03cd076 100644
--- a/lib/ntop.c
+++ b/lib/ntop.c
@@ -116,7 +116,18 @@ inet4:
 			best = i - curlen;
 			bestlen = curlen;
 		}
-		/* do we want ::ffff:A.B.C.D? */
+		if (best == 0 && bestlen == 5 && b[10] == 0xff && b[11] == 0xff) {
+			/* ::ffff:A.B.C.D */
+			*o++ = ':';
+			*o++ = ':';
+			*o++ = 'f';
+			*o++ = 'f';
+			*o++ = 'f';
+			*o++ = 'f';
+			*o++ = ':';
+			b += 12;
+			goto inet4;
+		}
 		if (best == 0 && bestlen == 6) {
 			*o++ = ':';
 			*o++ = ':';
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..a760f1c249 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
@@ -1,7 +1,7 @@
 {
-  "::ffff:202:202\/128":[
+  "::ffff:2.2.2.2\/128":[
     {
-      "prefix":"::ffff:202:202\/128",
+      "prefix":"::ffff:2.2.2.2\/128",
       "protocol":"isis",
       "selected":true,
       "destSelected":true,
@@ -16,9 +16,9 @@
       ]
     }
   ],
-  "::ffff:303:303\/128":[
+  "::ffff:3.3.3.3\/128":[
     {
-      "prefix":"::ffff:303:303\/128",
+      "prefix":"::ffff:3.3.3.3\/128",
       "protocol":"isis",
       "selected":true,
       "destSelected":true,
@@ -33,9 +33,9 @@
       ]
     }
   ],
-  "::ffff:404:404\/128":[
+  "::ffff:4.4.4.4\/128":[
     {
-      "prefix":"::ffff:404:404\/128",
+      "prefix":"::ffff:4.4.4.4\/128",
       "protocol":"isis",
       "selected":true,
       "destSelected":true,
@@ -50,9 +50,9 @@
       ]
     }
   ],
-  "::ffff:505:505\/128":[
+  "::ffff:5.5.5.5\/128":[
     {
-      "prefix":"::ffff:505:505\/128",
+      "prefix":"::ffff:5.5.5.5\/128",
       "protocol":"isis",
       "selected":true,
       "destSelected":true,
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..a760f1c249 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
@@ -1,7 +1,7 @@
 {
-  "::ffff:202:202\/128":[
+  "::ffff:2.2.2.2\/128":[
     {
-      "prefix":"::ffff:202:202\/128",
+      "prefix":"::ffff:2.2.2.2\/128",
       "protocol":"isis",
       "selected":true,
       "destSelected":true,
@@ -16,9 +16,9 @@
       ]
     }
   ],
-  "::ffff:303:303\/128":[
+  "::ffff:3.3.3.3\/128":[
     {
-      "prefix":"::ffff:303:303\/128",
+      "prefix":"::ffff:3.3.3.3\/128",
       "protocol":"isis",
       "selected":true,
       "destSelected":true,
@@ -33,9 +33,9 @@
       ]
     }
   ],
-  "::ffff:404:404\/128":[
+  "::ffff:4.4.4.4\/128":[
     {
-      "prefix":"::ffff:404:404\/128",
+      "prefix":"::ffff:4.4.4.4\/128",
       "protocol":"isis",
       "selected":true,
       "destSelected":true,
@@ -50,9 +50,9 @@
       ]
     }
   ],
-  "::ffff:505:505\/128":[
+  "::ffff:5.5.5.5\/128":[
     {
-      "prefix":"::ffff:505:505\/128",
+      "prefix":"::ffff:5.5.5.5\/128",
       "protocol":"isis",
       "selected":true,
       "destSelected":true,
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..1168765457 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
@@ -1,7 +1,7 @@
 {
-  "::ffff:202:202\/128":[
+  "::ffff:2.2.2.2\/128":[
     {
-      "prefix":"::ffff:202:202\/128",
+      "prefix":"::ffff:2.2.2.2\/128",
       "protocol":"isis",
       "selected":true,
       "destSelected":true,
@@ -16,9 +16,9 @@
       ]
     }
   ],
-  "::ffff:303:303\/128":[
+  "::ffff:3.3.3.3\/128":[
     {
-      "prefix":"::ffff:303:303\/128",
+      "prefix":"::ffff:3.3.3.3\/128",
       "protocol":"isis",
       "selected":true,
       "destSelected":true,
@@ -33,9 +33,9 @@
       ]
     }
   ],
-  "::ffff:404:404\/128":[
+  "::ffff:4.4.4.4\/128":[
     {
-      "prefix":"::ffff:404:404\/128",
+      "prefix":"::ffff:4.4.4.4\/128",
       "protocol":"isis",
       "selected":true,
       "destSelected":true,
@@ -50,9 +50,9 @@
       ]
     }
   ],
-  "::ffff:505:505\/128":[
+  "::ffff:5.5.5.5\/128":[
     {
-      "prefix":"::ffff:505:505\/128",
+      "prefix":"::ffff:5.5.5.5\/128",
       "protocol":"isis",
       "selected":true,
       "destSelected":true,
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..3e8505e79b 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
@@ -1,7 +1,7 @@
 {
-  "::ffff:202:202\/128":[
+  "::ffff:2.2.2.2\/128":[
     {
-      "prefix":"::ffff:202:202\/128",
+      "prefix":"::ffff:2.2.2.2\/128",
       "protocol":"isis",
       "selected":true,
       "destSelected":true,
@@ -16,9 +16,9 @@
       ]
     }
   ],
-  "::ffff:303:303\/128":[
+  "::ffff:3.3.3.3\/128":[
     {
-      "prefix":"::ffff:303:303\/128",
+      "prefix":"::ffff:3.3.3.3\/128",
       "protocol":"isis",
       "selected":true,
       "destSelected":true,
@@ -33,9 +33,9 @@
       ]
     }
   ],
-  "::ffff:404:404\/128":[
+  "::ffff:4.4.4.4\/128":[
     {
-      "prefix":"::ffff:404:404\/128",
+      "prefix":"::ffff:4.4.4.4\/128",
       "protocol":"isis",
       "selected":true,
       "destSelected":true,
@@ -50,9 +50,9 @@
       ]
     }
   ],
-  "::ffff:505:505\/128":[
+  "::ffff:5.5.5.5\/128":[
     {
-      "prefix":"::ffff:505:505\/128",
+      "prefix":"::ffff:5.5.5.5\/128",
       "protocol":"isis",
       "selected":true,
       "destSelected":true,
diff --git a/tests/topotests/bfd_isis_topo1/rt1/zebra.conf b/tests/topotests/bfd_isis_topo1/rt1/zebra.conf
index 7e6f7881b4..bf2428e625 100644
--- a/tests/topotests/bfd_isis_topo1/rt1/zebra.conf
+++ b/tests/topotests/bfd_isis_topo1/rt1/zebra.conf
@@ -10,7 +10,7 @@ hostname rt1
 !
 interface lo
  ip address 1.1.1.1/32
- ipv6 address ::ffff:0101:0101/128
+ ipv6 address ::ffff:1.1.1.1/128
 !
 interface eth-rt2
  ip address 10.0.1.1/24
diff --git a/tests/topotests/bfd_isis_topo1/rt2/zebra.conf b/tests/topotests/bfd_isis_topo1/rt2/zebra.conf
index 5788e31f12..1670c20506 100644
--- a/tests/topotests/bfd_isis_topo1/rt2/zebra.conf
+++ b/tests/topotests/bfd_isis_topo1/rt2/zebra.conf
@@ -7,7 +7,7 @@ hostname rt2
 !
 interface lo
  ip address 2.2.2.2/32
- ipv6 address ::ffff:0202:0202/128
+ ipv6 address ::ffff:2.2.2.2/128
 !
 interface eth-rt1
  ip address 10.0.1.2/24
diff --git a/tests/topotests/bfd_isis_topo1/rt3/zebra.conf b/tests/topotests/bfd_isis_topo1/rt3/zebra.conf
index 78eac2e15a..d59085560f 100644
--- a/tests/topotests/bfd_isis_topo1/rt3/zebra.conf
+++ b/tests/topotests/bfd_isis_topo1/rt3/zebra.conf
@@ -7,7 +7,7 @@ hostname rt3
 !
 interface lo
  ip address 3.3.3.3/32
- ipv6 address ::ffff:0303:0303/128
+ ipv6 address ::ffff:3.3.3.3/128
 !
 interface eth-rt1
  ip address 10.0.2.2/24
diff --git a/tests/topotests/bfd_isis_topo1/rt4/zebra.conf b/tests/topotests/bfd_isis_topo1/rt4/zebra.conf
index a6cb573ed8..66121662dd 100644
--- a/tests/topotests/bfd_isis_topo1/rt4/zebra.conf
+++ b/tests/topotests/bfd_isis_topo1/rt4/zebra.conf
@@ -7,7 +7,7 @@ hostname rt4
 !
 interface lo
  ip address 4.4.4.4/32
- ipv6 address ::ffff:0404:0404/128
+ ipv6 address ::ffff:4.4.4.4/128
 !
 interface eth-rt3
  ip address 10.0.4.2/24
diff --git a/tests/topotests/bfd_isis_topo1/rt5/zebra.conf b/tests/topotests/bfd_isis_topo1/rt5/zebra.conf
index 33473c91a3..d3331b5b6c 100644
--- a/tests/topotests/bfd_isis_topo1/rt5/zebra.conf
+++ b/tests/topotests/bfd_isis_topo1/rt5/zebra.conf
@@ -7,7 +7,7 @@ hostname rt5
 !
 interface lo
  ip address 5.5.5.5/32
- ipv6 address ::ffff:0505:0505/128
+ ipv6 address ::ffff:5.5.5.5/128
 !
 interface eth-rt2
  ip address 10.0.3.2/24
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..0526d8a6af 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
@@ -1,7 +1,7 @@
 {
-  "::ffff:202:202\/128":[
+  "::ffff:2.2.2.2\/128":[
     {
-      "prefix":"::ffff:202:202\/128",
+      "prefix":"::ffff:2.2.2.2\/128",
       "protocol":"ospf6",
       "selected":true,
       "destSelected":true,
@@ -16,9 +16,9 @@
       ]
     }
   ],
-  "::ffff:303:303\/128":[
+  "::ffff:3.3.3.3\/128":[
     {
-      "prefix":"::ffff:303:303\/128",
+      "prefix":"::ffff:3.3.3.3\/128",
       "protocol":"ospf6",
       "selected":true,
       "destSelected":true,
@@ -33,9 +33,9 @@
       ]
     }
   ],
-  "::ffff:404:404\/128":[
+  "::ffff:4.4.4.4\/128":[
     {
-      "prefix":"::ffff:404:404\/128",
+      "prefix":"::ffff:4.4.4.4\/128",
       "protocol":"ospf6",
       "selected":true,
       "destSelected":true,
@@ -50,9 +50,9 @@
       ]
     }
   ],
-  "::ffff:505:505\/128":[
+  "::ffff:5.5.5.5\/128":[
     {
-      "prefix":"::ffff:505:505\/128",
+      "prefix":"::ffff:5.5.5.5\/128",
       "protocol":"ospf6",
       "selected":true,
       "destSelected":true,
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..0526d8a6af 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
@@ -1,7 +1,7 @@
 {
-  "::ffff:202:202\/128":[
+  "::ffff:2.2.2.2\/128":[
     {
-      "prefix":"::ffff:202:202\/128",
+      "prefix":"::ffff:2.2.2.2\/128",
       "protocol":"ospf6",
       "selected":true,
       "destSelected":true,
@@ -16,9 +16,9 @@
       ]
     }
   ],
-  "::ffff:303:303\/128":[
+  "::ffff:3.3.3.3\/128":[
     {
-      "prefix":"::ffff:303:303\/128",
+      "prefix":"::ffff:3.3.3.3\/128",
       "protocol":"ospf6",
       "selected":true,
       "destSelected":true,
@@ -33,9 +33,9 @@
       ]
     }
   ],
-  "::ffff:404:404\/128":[
+  "::ffff:4.4.4.4\/128":[
     {
-      "prefix":"::ffff:404:404\/128",
+      "prefix":"::ffff:4.4.4.4\/128",
       "protocol":"ospf6",
       "selected":true,
       "destSelected":true,
@@ -50,9 +50,9 @@
       ]
     }
   ],
-  "::ffff:505:505\/128":[
+  "::ffff:5.5.5.5\/128":[
     {
-      "prefix":"::ffff:505:505\/128",
+      "prefix":"::ffff:5.5.5.5\/128",
       "protocol":"ospf6",
       "selected":true,
       "destSelected":true,
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..8a8a0cd77d 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
@@ -1,7 +1,7 @@
 {
-  "::ffff:202:202\/128":[
+  "::ffff:2.2.2.2\/128":[
     {
-      "prefix":"::ffff:202:202\/128",
+      "prefix":"::ffff:2.2.2.2\/128",
       "protocol":"ospf6",
       "selected":true,
       "destSelected":true,
@@ -16,9 +16,9 @@
       ]
     }
   ],
-  "::ffff:303:303\/128":[
+  "::ffff:3.3.3.3\/128":[
     {
-      "prefix":"::ffff:303:303\/128",
+      "prefix":"::ffff:3.3.3.3\/128",
       "protocol":"ospf6",
       "selected":true,
       "destSelected":true,
@@ -33,9 +33,9 @@
       ]
     }
   ],
-  "::ffff:404:404\/128":[
+  "::ffff:4.4.4.4\/128":[
     {
-      "prefix":"::ffff:404:404\/128",
+      "prefix":"::ffff:4.4.4.4\/128",
       "protocol":"ospf6",
       "selected":true,
       "destSelected":true,
@@ -50,9 +50,9 @@
       ]
     }
   ],
-  "::ffff:505:505\/128":[
+  "::ffff:5.5.5.5\/128":[
     {
-      "prefix":"::ffff:505:505\/128",
+      "prefix":"::ffff:5.5.5.5\/128",
       "protocol":"ospf6",
       "selected":true,
       "destSelected":true,
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..e4f056f7b5 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
@@ -1,7 +1,7 @@
 {
-  "::ffff:202:202\/128":[
+  "::ffff:2.2.2.2\/128":[
     {
-      "prefix":"::ffff:202:202\/128",
+      "prefix":"::ffff:2.2.2.2\/128",
       "protocol":"ospf6",
       "selected":true,
       "destSelected":true,
@@ -16,9 +16,9 @@
       ]
     }
   ],
-  "::ffff:303:303\/128":[
+  "::ffff:3.3.3.3\/128":[
     {
-      "prefix":"::ffff:303:303\/128",
+      "prefix":"::ffff:3.3.3.3\/128",
       "protocol":"ospf6",
       "selected":true,
       "destSelected":true,
@@ -33,9 +33,9 @@
       ]
     }
   ],
-  "::ffff:404:404\/128":[
+  "::ffff:4.4.4.4\/128":[
     {
-      "prefix":"::ffff:404:404\/128",
+      "prefix":"::ffff:4.4.4.4\/128",
       "protocol":"ospf6",
       "selected":true,
       "destSelected":true,
@@ -50,9 +50,9 @@
       ]
     }
   ],
-  "::ffff:505:505\/128":[
+  "::ffff:5.5.5.5\/128":[
     {
-      "prefix":"::ffff:505:505\/128",
+      "prefix":"::ffff:5.5.5.5\/128",
       "protocol":"ospf6",
       "selected":true,
       "destSelected":true,
diff --git a/tests/topotests/bfd_ospf_topo1/rt1/zebra.conf b/tests/topotests/bfd_ospf_topo1/rt1/zebra.conf
index 7e6f7881b4..bf2428e625 100644
--- a/tests/topotests/bfd_ospf_topo1/rt1/zebra.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt1/zebra.conf
@@ -10,7 +10,7 @@ hostname rt1
 !
 interface lo
  ip address 1.1.1.1/32
- ipv6 address ::ffff:0101:0101/128
+ ipv6 address ::ffff:1.1.1.1/128
 !
 interface eth-rt2
  ip address 10.0.1.1/24
diff --git a/tests/topotests/bfd_ospf_topo1/rt2/zebra.conf b/tests/topotests/bfd_ospf_topo1/rt2/zebra.conf
index 5788e31f12..1670c20506 100644
--- a/tests/topotests/bfd_ospf_topo1/rt2/zebra.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt2/zebra.conf
@@ -7,7 +7,7 @@ hostname rt2
 !
 interface lo
  ip address 2.2.2.2/32
- ipv6 address ::ffff:0202:0202/128
+ ipv6 address ::ffff:2.2.2.2/128
 !
 interface eth-rt1
  ip address 10.0.1.2/24
diff --git a/tests/topotests/bfd_ospf_topo1/rt3/zebra.conf b/tests/topotests/bfd_ospf_topo1/rt3/zebra.conf
index 78eac2e15a..d59085560f 100644
--- a/tests/topotests/bfd_ospf_topo1/rt3/zebra.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt3/zebra.conf
@@ -7,7 +7,7 @@ hostname rt3
 !
 interface lo
  ip address 3.3.3.3/32
- ipv6 address ::ffff:0303:0303/128
+ ipv6 address ::ffff:3.3.3.3/128
 !
 interface eth-rt1
  ip address 10.0.2.2/24
diff --git a/tests/topotests/bfd_ospf_topo1/rt4/zebra.conf b/tests/topotests/bfd_ospf_topo1/rt4/zebra.conf
index a6cb573ed8..66121662dd 100644
--- a/tests/topotests/bfd_ospf_topo1/rt4/zebra.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt4/zebra.conf
@@ -7,7 +7,7 @@ hostname rt4
 !
 interface lo
  ip address 4.4.4.4/32
- ipv6 address ::ffff:0404:0404/128
+ ipv6 address ::ffff:4.4.4.4/128
 !
 interface eth-rt3
  ip address 10.0.4.2/24
diff --git a/tests/topotests/bfd_ospf_topo1/rt5/zebra.conf b/tests/topotests/bfd_ospf_topo1/rt5/zebra.conf
index 33473c91a3..d3331b5b6c 100644
--- a/tests/topotests/bfd_ospf_topo1/rt5/zebra.conf
+++ b/tests/topotests/bfd_ospf_topo1/rt5/zebra.conf
@@ -7,7 +7,7 @@ hostname rt5
 !
 interface lo
  ip address 5.5.5.5/32
- ipv6 address ::ffff:0505:0505/128
+ ipv6 address ::ffff:5.5.5.5/128
 !
 interface eth-rt2
  ip address 10.0.3.2/24
diff --git a/tests/topotests/bgp_evpn_rt5/test_bgp_evpn.py b/tests/topotests/bgp_evpn_rt5/test_bgp_evpn.py
index 2d027081cb..9dfb7fc4d9 100644
--- a/tests/topotests/bgp_evpn_rt5/test_bgp_evpn.py
+++ b/tests/topotests/bgp_evpn_rt5/test_bgp_evpn.py
@@ -210,7 +210,7 @@ def test_protocols_convergence():
                 "vrfName": "r1-vrf-101",
                 "nexthops": [
                     {
-                        "ip": "::ffff:c0a8:6429",
+                        "ip": "::ffff:192.168.100.41",
                     }
                 ],
             }
@@ -227,8 +227,8 @@ def test_protocols_convergence():
             "192.168.100.41": {
                 "nexthopIp": "192.168.100.41",
             },
-            "::ffff:c0a8:6429": {
-                "nexthopIp": "::ffff:c0a8:6429",
+            "::ffff:192.168.100.41": {
+                "nexthopIp": "::ffff:192.168.100.41",
             },
         }
     }
diff --git a/tests/topotests/bgp_ipv4_over_ipv6/test_rfc5549_ebgp_unnumbered_nbr.py b/tests/topotests/bgp_ipv4_over_ipv6/test_rfc5549_ebgp_unnumbered_nbr.py
index 803b51c043..8382fea188 100644
--- a/tests/topotests/bgp_ipv4_over_ipv6/test_rfc5549_ebgp_unnumbered_nbr.py
+++ b/tests/topotests/bgp_ipv4_over_ipv6/test_rfc5549_ebgp_unnumbered_nbr.py
@@ -670,7 +670,7 @@ def test_configure_gua_on_unnumbered_intf(request):
                 {
                     "nexthops": [
                         {
-                            "ip": "::ffff:a00:501",
+                            "ip": "::ffff:10.0.5.1",
                             "hostname": "r1",
                             "afi": "ipv6",
                             "scope": "global",
@@ -754,7 +754,7 @@ def test_configure_gua_on_unnumbered_intf(request):
     assert (
         result is None
     ), "Testcase {} : Failed \n Error: Nexthop for prefix 11.0.20.1 \
-    is not ::ffff:a00:501".format(
+    is not ::ffff:10.0.5.1".format(
         tc_name
     )