nixos-blueprint/modules/nixos/config/networking/network-manager/default.nix

{
  imports = [
    ./wireless-iwd.nix
  ];
  networking = {
    networkmanager = {
      enable = true;
      ethernet.macAddress = "stable";
      wifi = {
        macAddress = "random";
        scanRandMacAddress = true;
      };
    };
  };
}