This container can be pulled via:
  docker pull registry.opensuse.org/home/nbelouin/factorynmctest/charts/rancher-turtles:999.0.2_up0.19.0
  docker pull registry.opensuse.org/home/nbelouin/factorynmctest/charts/rancher-turtles:999.0.2_up0.19.0-1.6

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.