def request_tun_br(self):
        if not self.br_tun:
            return None

        return OVSCookieBridge(self.br_tun)
define defaults
dataset/ETHPy150Open openstack/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_agent_extension_api.py/OVSAgentExtensionAPI.request_tun_br--crossover with--dataset/ETHPy150Open HenriWahl/dhcpy6d/dhcpy6/Config.py/Config.__init__