anchor.diff:  
       [connection]
       ipv6.ip6-privacy=2
  +    ethernet.cloned-mac-address=${cfg.ethernet.macAddress}
  +    wifi.cloned-mac-address=${cfg.wifi.macAddress}
     '';
   
     /*
  
positive.code:           the ones configured in NetworkManager or received by DHCP.
          '';
        };
  
        dispatcherScripts = mkOption {
          type = types.listOf (types.submodule {
  
negative.code: 
      systemd.services."network-manager" = {
        wantedBy = [ "network.target" ];
        restartTriggers = [ configFile ];
  
        preStart = ''
          mkdir -m 700 -p /etc/NetworkManager/system-connections
  