periodic-ci-openshift-release-master-nightly-4.9-e2e-aws-proxy is failing frequently in CI, see: https://testgrid.k8s.io/redhat-openshift-ocp-release-4.9-informing#periodic-ci-openshift-release-master-nightly-4.9-e2e-aws-proxy Looks to be related to the install-config being created: level=fatal msg=failed to fetch Master Machines: failed to load asset "Install Config": [controlPlane.platform.aws.zones: Invalid value: []string{"us-west-2d", "us-west-2b"}: No subnets provided for zones [us-west-2d], compute[0].platform.aws.zones: Invalid value: []string{"us-west-2d", "us-west-2b"}: No subnets provided for zones [us-west-2d]] Setup phase finished, prepare env for next steps Example job: https://prow.ci.openshift.org/view/gcs/origin-ci-test/logs/periodic-ci-openshift-release-master-nightly-4.9-e2e-aws-proxy/1424520992696307712