def schedule_destroy(self, context):
        driver = self.get_owning_driver(context)
        if driver:
            model.unset_node_owner(context)
        return driver
Schedule Node Driver for Node disruption.
dataset/ETHPy150Open openstack/group-based-policy/gbpservice/neutron/services/servicechain/plugins/ncp/node_driver_manager.py/NodeDriverManager.schedule_destroy