def get_xapi_iface_id(self, xs_vif_uuid):
        args = ["xe", "vif-param-get", "param-name=other-config",
                "param-key=nicira-iface-id", "uuid=%s" % xs_vif_uuid]
        try:
            return utils.execute(args, run_as_root=True).strip()
        except Exception as e:
            with excutils.save_and_reraise_exception():
                LOG.error(_LE("Unable to execute %(cmd)s. "
                              "Exception: %(exception)s"),
                          {'cmd': args, 'exception': e})
dataset/ETHPy150Open openstack/neutron/neutron/agent/common/ovs_lib.py/OVSBridge.get_xapi_iface_id/original