This container can be pulled via:
  docker pull registry.opensuse.org/home/spacemule/branches/opensuse/factory/container/opensuse/dhcp-server:4.4.2
  docker pull registry.opensuse.org/home/spacemule/branches/opensuse/factory/container/opensuse/dhcp-server:4.4.2-31.167
  docker pull registry.opensuse.org/home/spacemule/branches/opensuse/factory/container/opensuse/dhcp-server:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.