diff --git a/src/lte/model/epc-sgw-pgw-application.cc b/src/lte/model/epc-sgw-pgw-application.cc
index c469b53c6..5b28d3212 100644
--- a/src/lte/model/epc-sgw-pgw-application.cc
+++ b/src/lte/model/epc-sgw-pgw-application.cc
@@ -195,6 +195,7 @@ void
 EpcSgwPgwApplication::SendToTunDevice (Ptr<Packet> packet, uint32_t teid)
 {
   NS_LOG_FUNCTION (this << packet << teid);
+  NS_LOG_LOGIC (" packet size: " << packet->GetSize () << " bytes");
   m_tunDevice->Receive (packet, 0x0800, m_tunDevice->GetAddress (), m_tunDevice->GetAddress (), NetDevice::PACKET_HOST);
 }
 
diff --git a/src/lte/model/lte-ue-rrc.cc b/src/lte/model/lte-ue-rrc.cc
index b793dec63..b0c78d1cc 100644
--- a/src/lte/model/lte-ue-rrc.cc
+++ b/src/lte/model/lte-ue-rrc.cc
@@ -242,6 +242,7 @@ LteUeRrc::Send (Ptr<Packet> packet)
     }
   else
     {
+      NS_LOG_LOGIC (this << " RNTI=" << m_rnti << " sending " << packet << "on LCID " << (uint32_t) lcid << " (" << packet->GetSize () << " bytes)");
       it->second->m_pdcp->GetLtePdcpSapProvider ()->TransmitRrcPdu (params);
       return true;
     }