This container can be pulled via:
  docker pull registry.opensuse.org/home/dcassany/devlinkstest/containers/suse/sl-micro/6.0/base-iso-image:2.2.0-rc1
  docker pull registry.opensuse.org/home/dcassany/devlinkstest/containers/suse/sl-micro/6.0/base-iso-image:2.2.0-rc1-7.30
  docker pull registry.opensuse.org/home/dcassany/devlinkstest/containers/suse/sl-micro/6.0/base-iso-image:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.