The primary NIC is unstable after applying a NodeNetworkConfigurationPolicy in OpenShift 4

Solution Verified - Updated -

Issue

  • The primary NIC (the NIC that is used by OpenShift) is unstable after applying a NodeNetworkConfigurationPolicy
  • In an environment using VIPs such as vSphere or OpenStack, restarting the nmstate-handler Pod temporarily makes ingress traffic impossible
$ oc delete pod -l name=nmstate-handler -n openshift-nmstate

Environment

  • Red Hat OpenShift Container Platform
    • 4

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