--- sys/netinet/in.c	12 May 2009 07:41:20 -0000	1.131
+++ sys/netinet/in.c	12 May 2009 21:18:51 -0000
@@ -917,6 +917,8 @@ in_ifinit(struct ifnet *ifp, struct in_i
 		info.rti_info[RTAX_GATEWAY] = (struct sockaddr *)&null_sdl;
 		error = rtrequest1_fib(RTM_ADD, &info, &rt, 0);
 
+		if (error == EEXIST)
+			return (0);
 		if (error == 0 && rt != NULL) {
 			RT_LOCK(rt);
 			((struct sockaddr_dl *)rt->rt_gateway)->sdl_type  =