--- a/src/devices/point-to-point/point-to-point-net-device.cc	Tue May 26 17:18:06 2009 +0100
+++ b/src/devices/point-to-point/point-to-point-net-device.cc	Mon Jun 08 17:39:13 2009 +0100
@@ -16,6 +16,20 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#define NS_LOG_APPEND_CONTEXT                                   \
+   {                                                            \
+     if (m_node)                                                \
+       {                                                        \
+         std::clog << "[node " << m_node->GetId () << " ";      \
+       }                                                        \
+     else                                                       \
+       {                                                        \
+         std::clog << "[";                                      \
+       }                                                        \
+     std::clog << "dev " << GetIfIndex () << "] ";              \
+   }
+
+
 #include "ns3/log.h"
 #include "ns3/queue.h"
 #include "ns3/simulator.h"
@@ -157,7 +171,7 @@
 PointToPointNetDevice::TransmitStart (Ptr<Packet> p)
 {
   NS_LOG_FUNCTION (this << p);
-  NS_LOG_LOGIC ("UID is " << p->GetUid () << ")");
+  NS_LOG_LOGIC ("UID is " << p->GetUid () << ", size=" << p->GetSize ());
 //
 // This function is called to start the process of transmitting a packet.
 // We need to tell the channel that we've started wiggling the wire and