Index: head/sys/dev/hyperv/netvsc/hv_net_vsc.h
===================================================================
--- head/sys/dev/hyperv/netvsc/hv_net_vsc.h
+++ head/sys/dev/hyperv/netvsc/hv_net_vsc.h
@@ -202,7 +202,6 @@
 	struct ifnet    *hn_ifp;
 	struct ifmedia	hn_media;
 	device_t        hn_dev;
-	uint8_t         hn_unit;
 	int             hn_carrier;
 	int             hn_if_flags;
 	struct mtx      hn_lock;
Index: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
===================================================================
--- head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
+++ head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
@@ -455,7 +455,6 @@
 	uint8_t eaddr[ETHER_ADDR_LEN];
 	uint32_t link_status;
 	hn_softc_t *sc;
-	int unit = device_get_unit(dev);
 	struct ifnet *ifp = NULL;
 	int error, ring_cnt, tx_ring_cnt;
 #if __FreeBSD_version >= 1100045
@@ -464,7 +463,6 @@
 
 	sc = device_get_softc(dev);
 
-	sc->hn_unit = unit;
 	sc->hn_dev = dev;
 	sc->hn_prichan = vmbus_get_channel(dev);
 
@@ -1855,11 +1853,9 @@
 static void
 hn_watchdog(struct ifnet *ifp)
 {
-	hn_softc_t *sc;
-	sc = ifp->if_softc;
 
-	printf("hn%d: watchdog timeout -- resetting\n", sc->hn_unit);
-	hn_ifinit(sc);    /*???*/
+	if_printf(ifp, "watchdog timeout -- resetting\n");
+	hn_ifinit(ifp->if_softc);    /* XXX */
 	if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
 }
 #endif