This container can be pulled via:
  docker pull registry.opensuse.org/devel/kubic/containers/container/opensuse/toolbox:14.2
  docker pull registry.opensuse.org/devel/kubic/containers/container/opensuse/toolbox:14.2-33.390
  docker pull registry.opensuse.org/devel/kubic/containers/container/opensuse/toolbox:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.