This container can be pulled via:
  docker pull registry.opensuse.org/devel/caasp/kubic-container/container_arm/kubic/cilium:1.2
  docker pull registry.opensuse.org/devel/caasp/kubic-container/container_arm/kubic/cilium:1.2.1
  docker pull registry.opensuse.org/devel/caasp/kubic-container/container_arm/kubic/cilium:1.2.1-13.16

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.