Configure OpenShift internal CoreDNS logging in OCP 4

Solution Unverified - Updated -

Issue

  • It's needed to set up more verbose logging for CoreDNS.
  • How to increase the log verbosity for CoreDNS in OpenShift 4?
  • CoreDNS is sending to many health check queries to upstream name-servers.

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4
  • CoreDNS

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