Add an option to set the rc-manager parameter in NetworkManager.conf, which controls how NetworkManager handles resolv.conf. This sets the default rc-manager to "resolvconf", which solves #61490. It additionally allows the user to change rc-manager without interference from configuration activations.
*** 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.