[RHOCP 4] DNS query sent from a pod fails when one of nodes goes down

Solution Verified - Updated -

Issue

When one of the nodes goes down from the cluster DNS query fails with the below error:

Sun Dec 31 11:34:00 UTC 2023
x.x.x.x
Sun Dec 31 11:34:00 UTC 2023
x.x.x.x
Sun Dec 31 11:34:00 UTC 2023
x.x.x.x
Sun Dec 31 11:34:00 UTC 2023
x.x.x.x
Sun Dec 31 11:34:00 UTC 2023
;; connection timed out; no servers could be reached

Environment

  • Red Hat OpenShift Container Platform (RHOCP)

    • 4.9

  • OVN-Kubernetes

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