This is a clone of Bug #1814357. This is the description of that bug:
Description of problem:

The router metrics and header tests can crash when migrating from an old version (e.g. 4.1) that has an un-migrated platform status field.

https://prow.svc.ci.openshift.org/view/gcs/origin-ci-test/logs/release-openshift-origin-installer-e2e-aws-upgrade-4.1-to-4.2-to-4.3-to-4.4-nightly/22

Longer term the field should probably be backfilled/migrated during an upgrade. For now, code needs to account for the possibility of a nil platform status and fall back to the old deprecated field.

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