Index: sys/net/if_ethersubr.c
===================================================================
--- sys/net/if_ethersubr.c
+++ sys/net/if_ethersubr.c
@@ -627,8 +627,7 @@
 	 * to allow 802.1P priority frames to be passed to the main input
 	 * path correctly.
 	 */
-	if ((m->m_flags & M_VLANTAG) == 0 &&
-	    ((etype == ETHERTYPE_VLAN) || (etype == ETHERTYPE_QINQ))) {
+	if ((m->m_flags & M_VLANTAG) == 0 && etype == ETHERTYPE_VLAN) {
 		struct ether_vlan_header *evl;
 
 		if (m->m_len < sizeof(*evl) &&