def tearDown(self):
        super(SimpleInstanceTest, self).tearDown()
        CONF.network_label_regex = self.orig_conf
        CONF.ip_start = None
def add_vpp_config(self):
        self._test.vapi.ip_punt_police(policer_index=self._policer_index,
                                       is_ip6=self._is_ip6, is_add=True)