This container can be pulled via:
  docker pull registry.opensuse.org/home/kwk/branches/isv/rancher/elemental/dev/containers/suse/sle-micro/5.5:2.1.0
  docker pull registry.opensuse.org/home/kwk/branches/isv/rancher/elemental/dev/containers/suse/sle-micro/5.5:2.1.0-45.2
  docker pull registry.opensuse.org/home/kwk/branches/isv/rancher/elemental/dev/containers/suse/sle-micro/5.5:latest