--- a/sys/dev/virtual/vkernel/net/if_vke.c
+++ b/sys/dev/virtual/vkernel/net/if_vke.c
@@ -768,7 +768,7 @@
 {
 	struct vke_softc *sc;
 	struct ifnet *ifp;
-	struct tapinfo tapinfo;
+	struct tapinfo tapinfo = { 0 };
 	uint8_t enaddr[ETHER_ADDR_LEN];
 	int nmbufs;
 	int fd;