Bug 1707062: Set terminationMessagePolicy=FallbackToLogsOnError for DNS operator and operands

[pravisankar]

• FallbackToLogsOnError termination message policy will tell k8s to use the
  last chunk of container log output if the termination message file is empty
  and the container exited with an error.

More details: https://kubernetes.io/docs/tasks/debug-application-cluster/determine-reason-pod-failure/

[Miciah]

/lgtm
/hold
Holding for 4.2.

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Miciah, pravisankar

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• OWNERS [Miciah,pravisankar]

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[Miciah]

/hold cancel

[ironcladlou]

/hold cancel

[smarterclayton]

I'd like to see this in 4.1.z post GA

/cherrypick release-4.1

[openshift-cherrypick-robot]

@smarterclayton: new pull request created: #112

In response to this:

I'd like to see this in 4.1.z post GA

/cherrypick release-4.1

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