diff --git a/usr.sbin/bhyve/net_backend_slirp.c b/usr.sbin/bhyve/net_backend_slirp.c
--- a/usr.sbin/bhyve/net_backend_slirp.c
+++ b/usr.sbin/bhyve/net_backend_slirp.c
@@ -627,11 +627,11 @@
 }
 
 static void
-slirp_recv_disable(struct net_backend *be __unused)
+slirp_recv_disable(struct net_backend *be)
 {
 	struct slirp_priv *priv = NET_BE_PRIV(be);
 
-	mevent_enable(priv->mevp);
+	mevent_disable(priv->mevp);
 }
 
 static uint64_t