This container can be pulled via:
  docker pull registry.opensuse.org/devel/openqa/containers/isotovideo:qemu-kvm
  docker pull registry.opensuse.org/devel/openqa/containers/opensuse/isotovideo-qemu-kvm:5.1755088400.98
  docker pull registry.opensuse.org/devel/openqa/containers/opensuse/isotovideo-qemu-kvm:5.1755088400.98.6.1297
  docker pull registry.opensuse.org/devel/openqa/containers/opensuse/isotovideo-qemu-kvm:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.