diff --git a/sys/net/ethernet.h b/sys/net/ethernet.h
--- a/sys/net/ethernet.h
+++ b/sys/net/ethernet.h
@@ -437,6 +437,10 @@
 extern	void ether_demux(struct ifnet *, struct mbuf *);
 extern	void ether_ifattach(struct ifnet *, const u_int8_t *);
 extern	void ether_ifdetach(struct ifnet *);
+#ifdef VIMAGE
+struct vnet;
+extern	void ether_reassign(struct ifnet *, struct vnet *, char *);
+#endif
 extern	int  ether_ioctl(struct ifnet *, u_long, caddr_t);
 extern	int  ether_output(struct ifnet *, struct mbuf *,
 	    const struct sockaddr *, struct route *);
diff --git a/sys/net/if_bridge.c b/sys/net/if_bridge.c
--- a/sys/net/if_bridge.c
+++ b/sys/net/if_bridge.c
@@ -670,6 +670,28 @@
     &VNET_NAME(pfil_ipfw), 0, &sysctl_pfil_ipfw, "I",
     "Layer2 filter with IPFW");
 
+#ifdef VIMAGE
+static void
+bridge_reassign(struct ifnet *ifp, struct vnet *newvnet, char *arg)
+{
+	struct bridge_softc *sc = ifp->if_softc;
+	struct bridge_iflist *bif;
+
+	BRIDGE_LOCK(sc);
+
+	while ((bif = CK_LIST_FIRST(&sc->sc_iflist)) != NULL)
+		bridge_delete_member(sc, bif, 0);
+
+	while ((bif = CK_LIST_FIRST(&sc->sc_spanlist)) != NULL) {
+		bridge_delete_span(sc, bif);
+	}
+
+	BRIDGE_UNLOCK(sc);
+
+	ether_reassign(ifp, newvnet, arg);
+}
+#endif
+
 /*
  * bridge_clone_create:
  *
@@ -716,6 +738,9 @@
 	/* Now undo some of the damage... */
 	ifp->if_baudrate = 0;
 	ifp->if_type = IFT_BRIDGE;
+#ifdef VIMAGE
+	ifp->if_reassign = bridge_reassign;
+#endif
 
 	BRIDGE_LIST_LOCK();
 	LIST_INSERT_HEAD(&V_bridge_list, sc, sc_list);
diff --git a/sys/net/if_ethersubr.c b/sys/net/if_ethersubr.c
--- a/sys/net/if_ethersubr.c
+++ b/sys/net/if_ethersubr.c
@@ -117,9 +117,6 @@
 
 static	int ether_resolvemulti(struct ifnet *, struct sockaddr **,
 		struct sockaddr *);
-#ifdef VIMAGE
-static	void ether_reassign(struct ifnet *, struct vnet *, char *);
-#endif
 static	int ether_requestencap(struct ifnet *, struct if_encap_req *);
 
 #define senderr(e) do { error = (e); goto bad;} while (0)