This container can be pulled via:
  docker pull registry.opensuse.org/home/nbelouin/factorytesting/charts/3.2/metallb-chart:302.0.0_up0.14.9
  docker pull registry.opensuse.org/home/nbelouin/factorytesting/charts/3.2/metallb-chart:302.0.0_up0.14.9-1.1

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.