This container can be pulled via:
  docker pull registry.opensuse.org/isv/suse/edge/factory/charts/metallb:999.0.2_up0.15.3
  docker pull registry.opensuse.org/isv/suse/edge/factory/charts/metallb:999.0.2_up0.15.3-268.1

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.