def find_port(self, name_or_id, ignore_missing=True):
        return self._find(_port.Port, name_or_id,
                          ignore_missing=ignore_missing)
A checkpoint job is a job that is restarted if either it fails, or if any of         its successors completely fails, exhausting their retries.
dataset/ETHPy150Open openstack/python-openstacksdk/openstack/network/v2/_proxy.py/Proxy.find_port--crossover with--dataset/ETHPy150Open BD2KGenomics/toil/src/toil/job.py/Job.checkNewCheckpointsAreLeafVertices