@abc.abstractmethod
    def del_port(self, port, bridge=None, if_exists=True):
Return any configuration changes since the last check_for_updates call.
dataset/ETHPy150Open openstack/neutron/neutron/agent/ovsdb/api.py/API.del_port--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/tools/devappserver2/application_configuration.py/ServerConfiguration.check_for_updates