#!/bin/sh

# NOTE: This script is intended to run in conjunction with qemu-ifup
#       which uses the same logic to find your bridge/switch

nic=$1

if [ -f /etc/default/qemu-kvm ]; then
    . /etc/default/qemu-kvm
fi

if [ -z "$TAPBR" ]; then
    switch=$(ip route list | awk '/^default / { print $5 }')
    if [ ! -d "/sys/class/net/${switch}/bridge" ]; then
        switch=virbr0
    fi
else
    switch=$TAPBR
fi

brctl delif $switch $nic
ifconfig $nic 0.0.0.0 down