This container can be pulled via:
  docker pull registry.opensuse.org/devel/bci/slcc/production/base/6.0/images/slcc/production/busybox:6.0
  docker pull registry.opensuse.org/devel/bci/slcc/production/base/6.0/images/slcc/production/busybox:6.0.1.1
  docker pull registry.opensuse.org/devel/bci/slcc/production/base/6.0/images/slcc/production/busybox:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.