This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/zsystems/containerfile/opensuse/keylime-agent:0.1
  docker pull registry.opensuse.org/opensuse/factory/zsystems/containerfile/opensuse/keylime-agent:0.1-3.99
  docker pull registry.opensuse.org/opensuse/factory/zsystems/containerfile/opensuse/keylime-agent:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.