Index: head/sys/net/if.c
===================================================================
--- head/sys/net/if.c
+++ head/sys/net/if.c
@@ -1708,7 +1708,7 @@
 	bzero(&info, sizeof(info));
 	if (cmd != RTM_DELETE)
 		info.rti_ifp = V_loif;
-	info.rti_flags = ifa->ifa_flags | RTF_HOST | RTF_STATIC;
+	info.rti_flags = ifa->ifa_flags | RTF_HOST | RTF_STATIC | RTF_PINNED;
 	info.rti_info[RTAX_DST] = ia;
 	info.rti_info[RTAX_GATEWAY] = (struct sockaddr *)&null_sdl;
 	link_init_sdl(ifp, (struct sockaddr *)&null_sdl, ifp->if_type);