This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/powerpc/totest/containers/opensuse/mariadb-client:11.6
  docker pull registry.opensuse.org/opensuse/factory/powerpc/totest/containers/opensuse/mariadb-client:11.6.1
  docker pull registry.opensuse.org/opensuse/factory/powerpc/totest/containers/opensuse/mariadb-client:11.6.1-30.29
  docker pull registry.opensuse.org/opensuse/factory/powerpc/totest/containers/opensuse/mariadb-client:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.