Previously, systemd.network.links was only respected with networkd enabled, but it's really udev taking care of links, no matter if networkd is enabled or not. With our module fixed, there's no need to manually manage the text file anymore. This was originally applied in 3d1079a20dafd82fac7ac857e63c91e787f4eaaa, but was reverted due to 1115959a8d4d73ad73341563dc8bbf52230a281e causing evaluation errors on hydra.
*** 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.