def setup_networks_on_host(self, context, instance, host=None,
                                                        teardown=False):
        raise NotImplementedError()
Wrapper around the appropriate listen method of the reactor.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/network/base_api.py/NetworkAPI.setup_networks_on_host--crossover with--dataset/ETHPy150Open twisted/twisted/twisted/application/internet.py/_AbstractServer._getPort