This container can be pulled via:
  docker pull registry.opensuse.org/virtualization/containerfile/kubevirt/virt-exportproxy:1.5.2
  docker pull registry.opensuse.org/virtualization/containerfile/kubevirt/virt-exportproxy:1.5.2-Virt.1699.204.4
  docker pull registry.opensuse.org/virtualization/containerfile/kubevirt/virt-exportproxy:1.5.2.Virt.1699.15.478

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.