OCP4: MTU Migration flow does not tolerate customized br-ex configuration and will fail

Solution In Progress - Updated -

Issue

On OpenShift 4, if using the customized br-ex configuration, and subsequently attempting to run the MTU migration script, the process will abort and degrade the platform due to missing expected variables in the mtu-migration.sh script.

Environment

  • Red Hat OpenShift Container Platform (RHOCP) 4
  • OVNKubernetes
  • Customized br-ex configuration

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