This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/kubevirt/virt-exportserver:1.6.3
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/kubevirt/virt-exportserver:1.6.3-1.1
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/kubevirt/virt-exportserver:1.6.3.6.723

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.