def init(self, attrib, start, end, duration):
        self.attrib = attrib
        self.duration = duration
        self.start_p = start
        self.end_p = end
        self.delta = end-start
Network update marks port for update.
dataset/ETHPy150Open los-cocos/cocos/cocos/actions/interval_actions.py/Lerp.init--crossover with--dataset/ETHPy150Open openstack/neutron/neutron/tests/unit/plugins/ml2/drivers/openvswitch/agent/test_ovs_neutron_agent.py/TestOvsNeutronAgent.test_network_update