diff --git a/sys/dev/pci/viornd.c b/sys/dev/pci/viornd.c
index 57c78ae2c247..e4266f597604 100644
--- a/sys/dev/pci/viornd.c
+++ b/sys/dev/pci/viornd.c
@@ -1,4 +1,4 @@
-/* 	$NetBSD: viornd.c,v 1.17 2022/03/23 23:23:25 riastradh Exp $ */
+/* 	$NetBSD: viornd.c,v 1.16 2022/03/19 16:20:45 riastradh Exp $ */
 /*	$OpenBSD: viornd.c,v 1.1 2014/01/21 21:14:58 sf Exp $	*/
 
 /*
@@ -139,7 +139,7 @@ viornd_attach(device_t parent, device_t self, void *aux)
 	sc->sc_dev = self;
 	sc->sc_virtio = vsc;
 
-	mutex_init(&sc->sc_mutex, MUTEX_DEFAULT, IPL_SOFTSERIAL);
+	mutex_init(&sc->sc_mutex, MUTEX_DEFAULT, IPL_VM);
 
 	error = bus_dmamem_alloc(virtio_dmat(vsc),
 				 VIRTIO_PAGE_SIZE, 0, 0, segs, 1, &nsegs,
@@ -177,7 +177,7 @@ viornd_attach(device_t parent, device_t self, void *aux)
 	}
 
 	virtio_child_attach_start(vsc, self, IPL_NET, &sc->sc_vq,
-	    NULL, virtio_vq_intr, VIRTIO_F_INTR_MPSAFE|VIRTIO_F_INTR_SOFTINT,
+	    NULL, virtio_vq_intr, 0,
 	    0, VIRTIO_COMMON_FLAG_BITS);
 
 	error = virtio_alloc_vq(vsc, &sc->sc_vq, 0, VIORND_BUFSIZE, 1,