This container can be pulled via:
  docker pull registry.opensuse.org/home/dcassany/elmntl-experimental/containers/suse/sl-micro/6.2/base-iso-image:2.3.0-dev
  docker pull registry.opensuse.org/home/dcassany/elmntl-experimental/containers/suse/sl-micro/6.2/base-iso-image:2.3.0-dev-1.2
  docker pull registry.opensuse.org/home/dcassany/elmntl-experimental/containers/suse/sl-micro/6.2/base-iso-image:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.