def __str__(self):
        return "%s (%s)" % (self.name, self.interval)
Exceptions raised in `delete_open_port` operations are reported as
dataset/ETHPy150Open klen/graphite-beacon/graphite_beacon/alerts.py/BaseAlert.__str__--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/test/test_container.py/OpenPortsTests.test_delete_open_port_errors_as_errbacks