Define log levels for use with klog.V

[mangelajo]

based on: https://github.com/kubernetes/community/blob/master/contributors/devel/sig-instrumentation/logging.md

Signed-off-by: Miguel Angel Ajo majopela@redhat.com

[husky-parul]

/retest

[husky-parul]

/lgtm

[openshift-ci]

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[cooktheryan]

/test verify

[openshift-ci]

@mangelajo: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/verify	d6627e3	link	true	/test verify

Full PR test history. Your PR dashboard.

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