Looks like some hiccup in multiprocessing.Manager, so why don't just retry it?
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service [-] Error when processing delNetwork request. CNI Params: {'CNI_IFNAME': u'eth0', 'CNI_NETNS': u'/proc/11878/ns/net', 'CNI_PATH': u'/var/lib/
cni/bin:/opt/multus/bin', 'CNI_ARGS': u'IgnoreUnknown=1;K8S_POD_NAMESPACE=e2e-pod-network-test-1874;K8S_POD_NAME=netserver-0;K8S_POD_INFRA_CONTAINER_ID=b51abfe1fa444f2b456cefe3b562633475d79feb65933c7a57d1abcb4c5
14bf8', 'CNI_COMMAND': u'DEL', 'CNI_CONTAINERID': u'b51abfe1fa444f2b456cefe3b562633475d79feb65933c7a57d1abcb4c514bf8'}.: IOError: [Errno 32] Broken pipe
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service Traceback (most recent call last):
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service File "/usr/lib/python2.7/site-packages/kuryr_kubernetes/cni/daemon/service.py", line 103, in delete
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service self.plugin.delete(params)
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service File "/usr/lib/python2.7/site-packages/kuryr_kubernetes/cni/plugins/k8s_cni_registry.py", line 102, in delete
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service self._do_work(params, b_base.disconnect)
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service File "/usr/lib/python2.7/site-packages/kuryr_kubernetes/cni/plugins/k8s_cni_registry.py", line 122, in _do_work
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service d = find()
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service File "/usr/lib/python2.7/site-packages/retrying.py", line 68, in wrapped_f
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service return Retrying(*dargs, **dkw).call(f, *args, **kw)
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service File "/usr/lib/python2.7/site-packages/retrying.py", line 223, in call
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service return attempt.get(self._wrap_exception)
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service File "/usr/lib/python2.7/site-packages/retrying.py", line 261, in get
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service six.reraise(self.value[0], self.value[1], self.value[2])
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service File "/usr/lib/python2.7/site-packages/retrying.py", line 217, in call
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service attempt = Attempt(fn(*args, **kwargs), attempt_number, False)
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service File "/usr/lib/python2.7/site-packages/kuryr_kubernetes/cni/plugins/k8s_cni_registry.py", line 119, in find
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service return self.registry[pod_name]
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service File "<string>", line 2, in __getitem__
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service File "/usr/lib64/python2.7/multiprocessing/managers.py", line 758, in _callmethod
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service conn.send((self._id, methodname, args, kwds))
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service IOError: [Errno 32] Broken pipe
2019-10-08 15:12:17.344 912 ERROR kuryr_kubernetes.cni.daemon.service
