Seeing E1209 06:35:01.956334 1 customresource_handler.go:655] error building openapi models for clusteroperators.config.openshift.io: ERROR $root.definitions.io.openshift.config.v1.ClusterOperator.properties.status.properties.extension has invalid property: nullable in kube-apiserver logs from https://storage.googleapis.com/origin-ci-test/logs/release-openshift-ocp-installer-e2e-aws-4.3/453/artifacts/e2e-aws/pods/openshift-kube-apiserver_kube-apiserver-ip-10-0-143-43.ec2.internal_kube-apiserver-3.log in https://prow.svc.ci.openshift.org/view/gcs/origin-ci-test/logs/release-openshift-ocp-installer-e2e-aws-4.3/453 . I think this impacts explain output and may indicate that we have different definitions of the clusteroperator CRD fighting.
Verified in 4.4.0-0.nightly-2019-12-20-210709 env using steps https://bugzilla.redhat.com/show_bug.cgi?id=1781843#c2 . Reporting another similar error in separate bug 1786269
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. https://access.redhat.com/errata/RHBA-2020:0581