Index: sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
===================================================================
--- sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c	(revision 4)
+++ sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c	(working copy)
@@ -957,7 +957,25 @@
 
 	case SIOCSIFADDR:
 	case SIOCGIFADDR:
+#ifdef INET
+		NV_LOCK(sc);
+		if (ifa->ifa_addr->sa_family == AF_INET) {
+			ifp->if_flags |= IFF_UP;
+			if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
+				ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
+				if_link_state_change(ifp, LINK_STATE_DOWN);
+				ifp->if_drv_flags |= IFF_DRV_RUNNING;
+				ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
+				if_link_state_change(ifp, LINK_STATE_UP);
+			}
+			NV_UNLOCK(sc);
+		} else {
+			NV_UNLOCK(sc);
+#endif	
 		error = ether_ioctl(ifp, cmd, data);
+#ifdef INET
+		}
+#endif
 		break;
 	case SIOCSIFMTU:
 		hn_dev = vmbus_get_devctx(sc->hn_dev);
@@ -1131,6 +1149,7 @@
 		printf(" Closing Device ...\n");
 
 	ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
+	if_link_state_change(ifp, LINK_STATE_DOWN);
 	sc->hn_initdone = 0;
 
 	ret = hv_rf_on_close(device_ctx);
@@ -1180,6 +1199,7 @@
 	}
 	ifp->if_drv_flags |= IFF_DRV_RUNNING;
 	ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
+	if_link_state_change(ifp, LINK_STATE_UP);
 }
 
 /*