Add car2car-wifi scenario
diff --git a/model/ccnx-face.cc b/model/ccnx-face.cc
index 77122e0..3c88e1c 100644
--- a/model/ccnx-face.cc
+++ b/model/ccnx-face.cc
@@ -109,8 +109,10 @@
 
   /// \todo Implement tracing, if requested
   
-  if (!IsUp ())
+  if (!IsUp ()){
+    NS_LOG_INFO("CcnxFace is not up.");
     return false;
+  }
 
   LeakBucket ();