This container can be pulled via:
  docker pull registry.opensuse.org/home/dcassany/elemental/classic/maintenance_6.2_fork/containers/suse/sl-micro/6.2/rt-os-container:2.3.0
  docker pull registry.opensuse.org/home/dcassany/elemental/classic/maintenance_6.2_fork/containers/suse/sl-micro/6.2/rt-os-container:2.3.0-1.8
  docker pull registry.opensuse.org/home/dcassany/elemental/classic/maintenance_6.2_fork/containers/suse/sl-micro/6.2/rt-os-container:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.