def connectionLost(self, reason=None):
        log.msg('(UDP Port %s Closed)' % self._realPortNumber)
        self._realPortNumber = None
        abstract.FileHandle.connectionLost(self, reason)
        self.protocol.doStop()
        self.socket.close()
        del self.socket
        del self.getFileHandle
        if hasattr(self, "d"):
            self.d.callback(None)
            del self.d
The Get NetworkSecurityGroups operation retrieves information about
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/internet/iocpreactor/udp.py/Port.connectionLost--crossover with--dataset/ETHPy150Open Azure/azure-sdk-for-python/azure-mgmt-network/azure/mgmt/network/operations/network_security_groups_operations.py/NetworkSecurityGroupsOperations.get