nichts/modules/system/os/systemd/module.nix

{pkgs, ...}: {
  config.systemd = {
    # faster startup
    targets.network-online.wantedBy = pkgs.lib.mkForce []; # Normally ["multi-user.target"]
    services.NetworkManager-wait-online.wantedBy = pkgs.lib.mkForce []; # Normally ["network-online.target"]
  };
}