these 2 derivations will be built:
  /nix/store/3l2ppfai60l6xx4v8svhkf3zqk5f1gsg-rootfs-ubuntu-26_04.tar.drv
  /nix/store/j87n0vks9wsby4bqypjlyjz9jgll0v2g-container-test-ubuntu-26-04-sops-ssh-key.drv