'Remove the trunk bridge.'

def remove_trunk(self, trunk_id, port_id):

    trunk = TrunkParentPort(trunk_id, port_id)
    try:
        if trunk.bridge.exists():
            trunk.unplug(self.br_int)
        else:
            LOG.debug('Trunk    bridge    with    ID    %s    does    not    exist.', trunk_id)
    except RuntimeError as e:
        raise TrunkManagerError(error=e)
