anchor.diff:      privateNetwork = true;
       hostAddress = "192.168.10.10";
       localAddress = "192.168.10.11";
  -    forwardPorts = [
  -      {"containerPort" = 10000; "hostPort" = 10000; "protocol" = "udp";}
  -    ];
       allowedDevices = [
         { modifier = "rw"; node = "/dev/vga_arbiter"; }
       ];
  
positive.code:       sleep 1
      done
  
      ${xpra}/bin/xpra attach --opengl=yes --video-encoders=rgb24 socket:///run/xpra-vpn/vpn-0
  
      sudo nixos-container run vpn -- protonvpn d
    '';
  in
  {
  
negative.code: 
      sudo nixos-container start vpn
      sudo nixos-container run vpn -- protonvpn c -f
  
      sudo nixos-container run vpn -- start_xpra $@ &
  
      while ! ${pkgs.socat}/bin/socat -u OPEN:/dev/null UNIX-CONNECT:/run/xpra-vpn/vpn-0
  