pimd: When bind fails give some extra data

When bind to a socket fails, let's give some color so we can
understand and fix the issue.

Signed-off-by: Donald Sharp <sharpd@nvidia.com>

diff --git a/pimd/pim_igmp.c b/pimd/pim_igmp.c
index f2b909e268f223d97ad27ef6e0eafd78bbe408e6..73dcdbddb4d71bcd634a7af8e141b424a90313e6 100644 (file)
--- a/pimd/pim_igmp.c
+++ b/pimd/pim_igmp.c
@@ -1028,8 +1028,8 @@ struct igmp_sock *pim_igmp_sock_add(struct list *igmp_sock_list,
        sin.sin_addr = ifaddr;
        sin.sin_port = 0;
        if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) != 0) {
-               zlog_warn("Could not bind IGMP socket for %pI4 on %s",
-                         &ifaddr, ifp->name);
+               zlog_warn("Could not bind IGMP socket for %pI4 on %s: %s(%d)",
+                         &ifaddr, ifp->name, strerror(errno), errno);
                close(fd);
 
                return NULL;