The PR https://github.com/openshift/openshift-controller-manager/pull/59 will be associated with this bug once 4.3.z opens up after 4.3.0 ships.
Moving to POST manually
Note https://bugzilla.redhat.com/show_bug.cgi?id=1787405 had some bearing on the e2e's passing for that ... checking out Akram's possible fix now
Seen in https://prow.svc.ci.openshift.org/view/gcs/origin-ci-test/logs/release-openshift-ocp-installer-e2e-aws-proxy-4.3/415
Don't see the bug error after fix merged.(From 4.3.0-0.nightly-2020-02-20-095341 to 4.3.0-0.nightly-2020-02-20-221830)
Mark this bug as verified.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.