#!/bin/sh

bridge=$2
if [ -z "$bridge" ]; then
    brnum=$(ip route list | awk '/^default / { print $NF }' | sed 's/^[^0-9]*//')
    brnum=${brnum:-0}
    bridge=xenbr${brnum}
fi

ifconfig $1 0.0.0.0 up
brctl addif $bridge $1
