def on_sigterm(self, signum_unused, frame_unused):
        LOGGER.info('Received SIGTERM, initiating shutdown')
        self.stop()
Notify all mechanism drivers during port creation.
dataset/ETHPy150Open gmr/helper/helper/controller.py/Controller.on_sigterm--crossover with--dataset/ETHPy150Open openstack/neutron/neutron/plugins/ml2/managers.py/MechanismManager.create_port_precommit