help: Disable the bridge interface
update: /etc/netplug/linkdown.d/dhclient $VAR(../@)
if ! sudo ip link set $VAR(../@) down 2>/dev/null; then
echo "Error disabling dev $VAR(../@)"
/etc/netplug/linkup.d/dhclient $VAR(../@)
exit 1
fi
delete: if ! sudo ip link set $VAR(../@) up; then
echo "Error enabling dev $VAR(../@)"
exit 1
fi