fib: API to extract any resolving interface rather than the one from the
best source

Type: improvement

Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
Change-Id: Iaa91cbc7eba94f4ffbdc249ecdb49770bd2ae916
diff --git a/src/vnet/arp/arp.c b/src/vnet/arp/arp.c
index 6a32229..8b57376 100644
--- a/src/vnet/arp/arp.c
+++ b/src/vnet/arp/arp.c
@@ -543,7 +543,7 @@
 	  dst_fei = ip4_fib_table_lookup (ip4_fib_get (fib_index0),
 					  &arp0->ip4_over_ethernet[1].ip4,
 					  32);
-	  conn_sw_if_index0 = fib_entry_get_resolving_interface (dst_fei);
+	  conn_sw_if_index0 = fib_entry_get_any_resolving_interface (dst_fei);
 
 	  switch (arp_dst_fib_check (dst_fei, &dst_flags))
 	    {