This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/legacyx86/totest/containers/opensuse/toolbox:14.2
  docker pull registry.opensuse.org/opensuse/factory/legacyx86/totest/containers/opensuse/toolbox:14.2-11.523
  docker pull registry.opensuse.org/opensuse/factory/legacyx86/totest/containers/opensuse/toolbox:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.