diff --git a/src/simulator.cc b/src/simulator.cc
index aedf810..0215b32 100644
--- a/src/simulator.cc
+++ b/src/simulator.cc
@@ -199,6 +199,7 @@ static void obs_node(std::vector<std::string> args) {
                         Payload *ack=m_ded->get<Payload>();
                         if(!ack->Abort){
                             MODE_TX();
+                            XBT_INFO("%s try a send",CNAME);
                             if(i.extended){
                                 SEND(m_ded->put(p,p->DataSize));
                             }