diff --git a/sys/net/if_lagg.c b/sys/net/if_lagg.c
--- a/sys/net/if_lagg.c
+++ b/sys/net/if_lagg.c
@@ -1044,7 +1044,9 @@
 			break;
 		}
 
+		LAGG_XLOCK(sc);
 		lagg_port2req(lp, rp);
+		LAGG_XUNLOCK(sc);
 		NET_EPOCH_EXIT(et);
 		break;
 
@@ -1581,7 +1583,9 @@
 			break;
 		}
 
+		LAGG_XLOCK(sc);
 		lagg_port2req(lp, rp);
+		LAGG_XUNLOCK(sc);
 		NET_EPOCH_EXIT(et);
 		if_rele(tpif);
 		break;