diff --git a/sys/net/iflib.c b/sys/net/iflib.c
--- a/sys/net/iflib.c
+++ b/sys/net/iflib.c
@@ -2634,7 +2634,8 @@
 			bzero((void *)di->idi_vaddr, di->idi_size);
 	}
 	for (i = 0; i < scctx->isc_nrxqsets; i++, rxq++) {
-		/* make sure all transmitters have completed before proceeding XXX */
+		gtaskqueue_drain(rxq->ifr_task.gt_taskqueue,
+		    &rxq->ifr_task.gt_task);
 
 		rxq->ifr_cq_cidx = 0;
 		for (j = 0, di = rxq->ifr_ifdi; j < sctx->isc_nrxqs; j++, di++)