This container can be pulled via:
  docker pull registry.opensuse.org/devel/kubic/containers/container/opensuse/busybox:1.36.1
  docker pull registry.opensuse.org/devel/kubic/containers/container/opensuse/busybox:1.36.1-58.23
  docker pull registry.opensuse.org/devel/kubic/containers/container/opensuse/busybox:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.