All nodes get NodeNotReady status with short network outage in OpenShift

Solution Unverified - Updated -

Issue

  • All nodes get NodeNotReady status with network hiccups, network down for 10 seconds, cannot reach to master for 10 seconds
  • All nodes get NodeNotReady status with short maintenance downtime of OpenShift master API frontend load balancer
  • All applications returns 503 errors because of NodeNotReady status

Environment

  • Red Hat OpenShift Container Platform
    • 3.5
    • 3.6
    • 3.7
    • 3.9 (not latest update)

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