<interface type='bridge' name='br0'>
  <start mode='onboot'/>
  <protocol family='ipv4'>
    <dhcp/>
  </protocol>
  <bridge stp='off'>
    <interface type='vlan' name='eth0.42'>
      <vlan tag='42'>
        <interface name='eth0'/>
      </vlan>
    </interface>
  </bridge>
</interface>
