# we dont know how to test ib links
;;
*)
- [ -z "$IFACE" ] {
+ [ -z "$IFACE" ] || {
[ "$(basename $(readlink /sys/class/net/$IFACE/device/driver))" = virtio_net ] ||
ethtool $IFACE | grep -q 'Link detected: yes' || {
# On some systems, this is not successful when a