QEMU ifdown

#!/bin/sh

if [ -n "$(ip addr | grep vmtap0)" ];
then
    echo Downing vmtap0 link...

    # Down vmtap0
    ip link set vmtap0 down
    sleep 0.5s

    if [ -n "$(brctl show br0 | grep vmtap0)" ];
    then
        # Remove from br0
        echo Removing vmtap0 from bridge...
        brctl delif br0 vmtap0
    fi
fi