This container can be pulled via:
  docker pull registry.opensuse.org/home/vulyanov/branches/virtualization/rebase/containerfile/kubevirt/virt-controller:1.6.3
  docker pull registry.opensuse.org/home/vulyanov/branches/virtualization/rebase/containerfile/kubevirt/virt-controller:1.6.3-Virt.1699.213.13
  docker pull registry.opensuse.org/home/vulyanov/branches/virtualization/rebase/containerfile/kubevirt/virt-controller:1.6.3.Virt.1699.31.483

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.