periodic-ci-openshift-multiarch-master-nightly-4.9-ocp-e2e-compact-remote-libvirt-ppc64le
periodic-ci-openshift-multiarch-master-nightly-4.9-ocp-installer-remote-libvirt-s390x

is failing frequently in CI, see:
https://testgrid.k8s.io/redhat-openshift-ocp-release-4.9-informing#periodic-ci-openshift-multiarch-master-nightly-4.9-ocp-e2e-compact-remote-libvirt-ppc64le

Error:
[36mINFO[0m[2021-08-09T04:56:54Z] standard_init_linux.go:219: exec user process caused: exec format error
[36mINFO[0m[2021-08-09T04:58:17Z] Imported release 4.9.0-0.nightly-2021-08-07-175228 created at 2021-08-07 17:54:17 +0000 UTC with 141 images to tag release:latest
[36mINFO[0m[2021-08-09T04:58:17Z] Ran for 1m36s
[31mERRO[0m[2021-08-09T04:58:17Z] Some steps failed:
[31mERRO[0m[2021-08-09T04:58:17Z]

• could not run steps: step [release:s390x-latest] failed: failed to get CLI image: unable to find the 'cli' image in the provided release image: the pod ci-op-53q5qixg/release-images-s390x-latest-cli failed after 9s (failed containers: release): ContainerFailed one or more containers exited