these 2 derivations will be built:
  /nix/store/vmrnfi52ydhg08d1bsp8fq1xkdrlq9ny-rootfs-ubuntu-22_04.tar.drv
  /nix/store/jhl985x4ijs6y5j7rzsm74f0nya0ldfl-container-test-ubuntu-22-04-masked-units.drv