Restore Node NotReady intervals

[dgoodwin]

This was broken sometime recently and nobody noticed. This change brings
back yellow intervals for when node's were NotReady. Unfortunately,
there appear to be quite a few, and I have no idea how unusual this is.

[stbenjam]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dgoodwin, stbenjam

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[openshift-ci]

@dgoodwin: The following tests 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/e2e-aws-ovn-single-node	678d172	link	false	/test e2e-aws-ovn-single-node
ci/prow/e2e-aws-ovn-single-node-serial	678d172	link	false	/test e2e-aws-ovn-single-node-serial
ci/prow/e2e-openstack-ovn	678d172	link	false	/test e2e-openstack-ovn
ci/prow/e2e-aws-ovn-single-node-upgrade	678d172	link	false	/test e2e-aws-ovn-single-node-upgrade

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