X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fip%2Fip_format_fns.h;h=5bd58ad3b819145b3a11de2a983b388aaadb4909;hb=abc5660c61698fa29252dc202358002a97f2608c;hp=0c2e0661ba00254eb2930087f53d1d5a1daf6ad7;hpb=2a1ca787b9ca0021bd5da73450caedc2ff41c76d;p=vpp.git

diff --git a/src/vnet/ip/ip_format_fns.h b/src/vnet/ip/ip_format_fns.h
index 0c2e0661ba0..5bd58ad3b81 100644
--- a/src/vnet/ip/ip_format_fns.h
+++ b/src/vnet/ip/ip_format_fns.h
@@ -70,7 +70,7 @@ format_vl_api_address_t (u8 * s, va_list * args)
   case ADDRESS_IP6:
     return format(s, "%U", format_ip6_address, &a->un.ip6);
     }
-  return format (s, "");
+  return format (s, "unknown-af");
 }
 
 static inline u8 *