#!/bin/sh -e br=br-test docker_if=eth0 qemu_if=$1 echo "[host] qemu-ifup: $br, $qemu_if, $docker_if" set +x ip link set "$qemu_if" up brctl addbr "$br" brctl addif "$br" "$qemu_if" brctl addif "$br" "$docker_if" ip link set "$br" up ip a ip route