#!/bin/bash INTERFACE=$1 ACTION=$4 if [[ $INTERFACE == "br-vlan" ]]; then if [[ $ACTION == "pre-up" ]]; then ip link add br-vlan-veth type veth peer name eth12 || true ip link set br-vlan-veth up ip link set eth12 up brctl addif br-vlan br-vlan-veth else brctl delif br-vlan br-vlan-veth ip link del br-vlan-veth || true fi fi