diff --git a/examples/leo-bulk-send-example.cc b/examples/leo-bulk-send-example.cc
index ac01691..833adbe 100644
--- a/examples/leo-bulk-send-example.cc
+++ b/examples/leo-bulk-send-example.cc
@@ -155,6 +155,9 @@ int main (int argc, char *argv[])
       utCh.EnablePcapAll ("tcp-bulk-send", false);
     }
 
+  std::cerr << "LOCAL =" << users.Get (0)->GetId () << std::endl;
+  std::cerr << "REMOTE=" << users.Get (1)->GetId () << ",addr=" << Ipv4Address::ConvertFrom (remote) << std::endl;
+
   NS_LOG_INFO ("Run Simulation.");
   Simulator::Stop (Seconds (duration));
   Simulator::Run ();