OpenShift nodes fail with CNI failed to retrieve network namespace path

Solution Unverified - Updated -

Issue

  • Nodes fall into NodeNotReady
Nov  6 23:03:42 example0 atomic-openshift-node: E1106 23:03:42.116986  109723 kuberuntime_gc.go:138] Failed to stop sandbox "[REMOVED]" before removing: rpc error: code = 2 desc = NetworkPlugin cni failed to teardown pod "myapp-5-xxxxx" network: CNI failed to retrieve network namespace path: Error: No such container: [REMOVED]
  • Most of the Production servers are falling into Not_Ready status very often and also pods are evacuating from few servers

Environment

  • Red Hat OpenShift Container Platform (OCP)
    • 3.6
  • Red Hat Enterprise Linux (RHEL)
    • 7.2
  • docker daemon
    • 1.12.6

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