return VNET_API_ERROR_NEXT_HOP_NOT_IN_FIB;
sw_if_index = fib_entry_get_resolving_interface (fei);
+ if (sw_if_index == (u32) ~0)
+ return VNET_API_ERROR_NO_MATCHING_INTERFACE;
/* Configure proxy arp across the range */
rv = ip4_neighbor_proxy_add (fib_index, start, end);