diff --git a/sys/net/if_lagg.c b/sys/net/if_lagg.c
index 814a5b5b14c7..4930e1820f3b 100644
--- a/sys/net/if_lagg.c
+++ b/sys/net/if_lagg.c
@@ -679,6 +679,9 @@ lagg_port_create(struct lagg_softc *sc, struct ifnet *ifp)
 		return (EINVAL);
 	}
 
+	if (sc->sc_destroying == 1)
+		return (ENXIO);
+
 	/* Limit the maximal number of lagg ports */
 	if (sc->sc_count >= LAGG_MAX_PORTS)
 		return (ENOSPC);
@@ -1191,6 +1194,8 @@ lagg_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
 
 	bzero(&rpbuf, sizeof(rpbuf));
 
+	/* XXX: This can race with lagg_clone_destroy. */
+
 	switch (cmd) {
 	case SIOCGLAGG:
 		LAGG_XLOCK(sc);