This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/pulseaudio:17
  docker pull registry.opensuse.org/opensuse/pulseaudio:17.0
  docker pull registry.opensuse.org/opensuse/pulseaudio:17.0-2.18
  docker pull registry.opensuse.org/opensuse/pulseaudio:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.