[Workaround] How to unmanage OpenShift DNS Operator and enable force_tcp

Solution Verified - Updated -

Issue

One of the issues when you want to enable force_tcp as a workaround would be if you see following in your CoreDNS logs:

[ERROR] plugin/errors: dns: overflowing header size

Environment

  • Red Hat OpenShift Container Platform
    • 4.7
    • 4.6

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