def get_mtu(self, physical_network):
        seg_mtu = super(VlanTypeDriver, self).get_mtu()
        mtu = []
        if seg_mtu > 0:
            mtu.append(seg_mtu)
        if physical_network in self.physnet_mtus:
            mtu.append(int(self.physnet_mtus[physical_network]))
        return min(mtu) if mtu else 0
dataset/ETHPy150Open openstack/neutron/neutron/plugins/ml2/drivers/type_vlan.py/VlanTypeDriver.get_mtu/original