update interval time between ready message to ensure the inf ready to receive this message

simple-fw/unikernel.ml

@@ -144,13 +144,13 @@ module Main
         Private_ethernet.write private_ethernet ~src:(Macaddr.of_string_exn "00:00:00:00:00:00") (Macaddr.of_string_exn "00:00:00:00:00:00") 
         `IPv4 ~size:len (fun b -> Cstruct.blit packet 0 b 0 len ; len) >>= function
         | Ok () -> 
-          Time.sleep_ns (Duration.of_ms 200) >>= fun () -> send_notification (n - 1)
+          Time.sleep_ns (Duration.of_ms 500) >>= fun () -> send_notification (n - 1)
         | Error e ->
           Log.warn (fun f -> f "Ethernet write errored %a" Private_ethernet.pp_error e);
           Lwt.return_unit
     in
     Lwt.async (fun () ->
-      send_notification 5
+      send_notification 10
     );
 
     (* Notice how we haven't said anything about ICMP anywhere.  The unikernel