diff --git a/sys/net/if.c b/sys/net/if.c
--- a/sys/net/if.c
+++ b/sys/net/if.c
@@ -957,9 +957,6 @@
 	EVENTHANDLER_INVOKE(ifnet_arrival_event, ifp);
 	if (IS_DEFAULT_VNET(curvnet))
 		devctl_notify("IFNET", ifp->if_xname, "ATTACH", NULL);
-
-	/* Announce the interface. */
-	rt_ifannouncemsg(ifp, IFAN_ARRIVAL);
 }
 
 static void
@@ -1210,8 +1207,6 @@
 #endif
 	if_purgemaddrs(ifp);
 
-	/* Announce that the interface is gone. */
-	rt_ifannouncemsg(ifp, IFAN_DEPARTURE);
 	EVENTHANDLER_INVOKE(ifnet_departure_event, ifp);
 	if (IS_DEFAULT_VNET(curvnet))
 		devctl_notify("IFNET", ifp->if_xname, "DETACH", NULL);
@@ -2773,8 +2768,6 @@
 		 */
 		ifp->if_flags |= IFF_RENAMING;
 		
-		/* Announce the departure of the interface. */
-		rt_ifannouncemsg(ifp, IFAN_DEPARTURE);
 		EVENTHANDLER_INVOKE(ifnet_departure_event, ifp);
 
 		if_printf(ifp, "changing name to '%s'\n", new_name);
@@ -2804,8 +2797,6 @@
 		IF_ADDR_WUNLOCK(ifp);
 
 		EVENTHANDLER_INVOKE(ifnet_arrival_event, ifp);
-		/* Announce the return of the interface. */
-		rt_ifannouncemsg(ifp, IFAN_ARRIVAL);
 
 		ifp->if_flags &= ~IFF_RENAMING;
 
diff --git a/sys/net/route.h b/sys/net/route.h
--- a/sys/net/route.h
+++ b/sys/net/route.h
@@ -415,7 +415,6 @@
 struct rib_head;
 
 void	 rt_ieee80211msg(struct ifnet *, int, void *, size_t);
-void	 rt_ifannouncemsg(struct ifnet *, int);
 void	 rt_ifmsg(struct ifnet *);
 void	 rt_missmsg(int, struct rt_addrinfo *, int, int);
 void	 rt_missmsg_fib(int, struct rt_addrinfo *, int, int, int);
diff --git a/sys/net/rtsock.c b/sys/net/rtsock.c
--- a/sys/net/rtsock.c
+++ b/sys/net/rtsock.c
@@ -207,6 +207,7 @@
 static void	rt_getmetrics(const struct rtentry *rt,
 			const struct nhop_object *nh, struct rt_metrics *out);
 static void	rt_dispatch(struct mbuf *, sa_family_t);
+static void	rt_ifannouncemsg(struct ifnet *ifp, int what);
 static int	handle_rtm_get(struct rt_addrinfo *info, u_int fibnum,
 			struct rt_msghdr *rtm, struct rib_cmd_info *rc);
 static int	update_rtm_from_rc(struct rt_addrinfo *info,
@@ -272,6 +273,20 @@
     vnet_rts_uninit, 0);
 #endif
 
+static void
+rts_handle_ifnet_arrival(void *arg __unused, struct ifnet *ifp)
+{
+	rt_ifannouncemsg(ifp, IFAN_ARRIVAL);
+}
+EVENTHANDLER_DEFINE(ifnet_arrival_event, rts_handle_ifnet_arrival, NULL, 0);
+
+static void
+rts_handle_ifnet_departure(void *arg __unused, struct ifnet *ifp)
+{
+	rt_ifannouncemsg(ifp, IFAN_DEPARTURE);
+}
+EVENTHANDLER_DEFINE(ifnet_departure_event, rts_handle_ifnet_departure, NULL, 0);
+
 static void
 rts_append_data(struct socket *so, struct mbuf *m)
 {
@@ -2112,7 +2127,7 @@
  * This is called to generate routing socket messages indicating
  * network interface arrival and departure.
  */
-void
+static void
 rt_ifannouncemsg(struct ifnet *ifp, int what)
 {
 	struct mbuf *m;