these 2 derivations will be built:
  /nix/store/z35hxsn1ql44kcsybiba173iz1v5rksx-rootfs-ubuntu-26_04.tar.drv
  /nix/store/4qy5ci9ndk4jg7n554zah3fq58f6w8c6-container-test-ubuntu-26-04-ssh.drv