def check_interface_mapping(self):
        self.check_untagged_intersection()
        self.check_bond_slaves_speeds()
        self.check_vlan_ids_intersection()
        return self.err_msgs
check mapping of networks to NICs
dataset/ETHPy150Open openstack/fuel-web/nailgun/nailgun/extensions/network_manager/checker.py/NetworkCheck.check_interface_mapping