This container can be pulled via:
  docker pull registry.opensuse.org/home/kwk/osimage/containerkiwi/suse/sl-micro/6.1/toolbox:13.2
  docker pull registry.opensuse.org/home/kwk/osimage/containerkiwi/suse/sl-micro/6.1/toolbox:13.2-3.2
  docker pull registry.opensuse.org/home/kwk/osimage/containerkiwi/suse/sl-micro/6.1/toolbox:latest