
This reverts commit 4e6eae45ee8c2357acf3dc7e3caba9d86c2edeac. It breaks running the test driver interactively (in that it causes all VMs to be started immediately, which is not always what you wnat).
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.