
With devtmpfs introduced in 0d27df280f7ed502bba65e2ea13469069f9b275a it is created automatically. See https://github.com/NixOS/nixpkgs/pull/32983#issuecomment-353703083
*** 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.