aws-proxy jobs are failing with machine-config-operator errors

aws-proxy jobs are failing with workers unable to come up. Example job run[1].  On the console, the workers report 500 errors trying to retrieve the worker ignition[2]. 

Is it possible https://github.com/openshift/machine-config-operator/pull/3662 broke things? See logs below.


[1] https://prow.ci.openshift.org/view/gs/origin-ci-test/logs/periodic-ci-openshift-release-master-nightly-4.14-e2e-aws-ovn-proxy/1648560213655031808
[2] https://gcsweb-ci.apps.ci.l2s4.p1.openshiftapps.com/gcs/origin-ci-test/logs/periodic-ci-openshift-release-master-nightly-4.14-e2e-aws-ovn-proxy/1648560213655031808/artifacts/e2e-aws-ovn-proxy/gather-aws-console/artifacts/i-071b5af3ddb12e55c

4.14

Always

1.  Install with a proxy

No workers come up

Logs are reporting: 

2023-04-19T12:29:38.244051716Z I0419 12:29:38.244006 1 container_runtime_config_controller.go:415] Error syncing image config openshift-config: could not get ControllerConfig controllerconfig.machineconfiguration.openshift .io "machine-config-controller" not found 2023-04-19T12:29:56.507515526Z I0419 12:29:56.507472 1 render_controller.go:377] Error syncing machineconfigpool worker: controllerconfig.machineconfiguration.openshift.io "machine-config-controller" not found

./pods/machine-config-operator-6d7c6c8ccf-m7c57/machine-config-operator/machine-config-operator/logs/current.log:2023-04-19T12:38:15.240508503Z E0419 12:38:15.240437 1 operator.go:342] ControllerConfig.machineconfiguration.openshift.io "machine-config-controller" is invalid: [spec.proxy.apiVersion: Required value: must not be empty, spec.proxy.kind: Required value: must not be empty, <nil>: Invalid value: "null": some validation rules were not checked because the object was invalid; correct the existing errors to complete validation]