Comment 1 for bug 1929693

This gets more worse when one build worked and already pushed and another build failed (see eg. https://launchpad.net/~cloud-images-release-managers/cloud-images/+oci/ubuntu-base/+recipe/21.04/ for an example and the attached screenshot where s390x failed to upload).

In that case, some architectures are uploaded to the target registry and others are not. That leads to an inconsistent state on the registry where some arch images are up-to-date and others are still old.