these 2 derivations will be built:
  /nix/store/njjlc9jclyaylz5sjh35lrsnim0mka8g-container-test-driver-0.0.1.drv
  /nix/store/k87wsz0lywg9q7h4n3r6m0frh3ahxqzh-container-test-ubuntu-22-04-ssh.drv