<interface type='bridge' name='br0'>
  <start mode='onboot'/>
  <mtu size='1500'/>
  <protocol family='ipv4'>
    <dhcp/>
  </protocol>
  <bridge stp='off' delay='0.01'>
    <interface type='ethernet' name='eth0'>
      <mac address='ab:bb:cc:dd:ee:ff'/>
    </interface>
    <interface type='ethernet' name='eth1'>
    </interface>
  </bridge>
</interface>
