def METHOD_NAME():
    with IPDB() as ipdb:
        for attr in network_settings.ATTRS:
            # ipdb.interfaces is a dict-like object, that
            # contains interface definitions. Interfaces can
            # be referenced both with indices and names.
            #
            # ipdb.interfaces[1] is an interface with index 1,
            # that is the loopback interface.
            assert attr in ipdb.interfaces[1]