This container can be pulled via:
  docker pull registry.opensuse.org/home/dirkmueller/branches/devel/bci/sle-15-sp6/containerfile/bci/bci-sle15-kernel-module-devel:15.6
  docker pull registry.opensuse.org/home/dirkmueller/branches/devel/bci/sle-15-sp6/containerfile/bci/bci-sle15-kernel-module-devel:15.6.1.51
  docker pull registry.opensuse.org/home/dirkmueller/branches/devel/bci/sle-15-sp6/containerfile/bci/bci-sle15-kernel-module-devel:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.