diff --git a/model/fw/ndn-forwarding-strategy.cc b/model/fw/ndn-forwarding-strategy.cc
index df417dd..2275a8c 100644
--- a/model/fw/ndn-forwarding-strategy.cc
+++ b/model/fw/ndn-forwarding-strategy.cc
@@ -145,6 +145,7 @@
 ForwardingStrategy::OnInterest (Ptr<Face> inFace,
                                 Ptr<Interest> interest)
 {
+  NS_LOG_FUNCTION (inFace << interest->GetName ());
   m_inInterests (interest, inFace);
 
   Ptr<pit::Entry> pitEntry = m_pit->Lookup (*interest);
diff --git a/model/ndn-content-object.cc b/model/ndn-content-object.cc
index 7fcb459..582ebc9 100644
--- a/model/ndn-content-object.cc
+++ b/model/ndn-content-object.cc
@@ -51,12 +51,14 @@
 ContentObject::SetName (Ptr<Name> name)
 {
   m_name = name;
+  m_wire = 0;
 }
 
 void
 ContentObject::SetName (const Name &name)
 {
   m_name = Create<Name> (name);
+  m_wire = 0;
 }
 
 const Name&
@@ -77,6 +79,7 @@
 ContentObject::SetTimestamp (const Time &timestamp)
 {
   m_timestamp = timestamp;
+  m_wire = 0;
 }
 
 Time
@@ -89,8 +92,10 @@
 ContentObject::SetFreshness (const Time &freshness)
 {
   m_freshness = freshness;
+  m_wire = 0;
 }
 
+
 Time
 ContentObject::GetFreshness () const
 {
@@ -101,6 +106,7 @@
 ContentObject::SetSignature (uint32_t signature)
 {
   m_signature = signature;
+  m_wire = 0;
 }
 
 uint32_t
@@ -120,6 +126,7 @@
 ContentObject::SetPayload (Ptr<Packet> payload)
 {
   m_payload = payload;
+  m_wire = 0;
 }
 
 Ptr<const Packet>
diff --git a/model/ndn-interest.cc b/model/ndn-interest.cc
index bd8784e..ffcaa0d 100644
--- a/model/ndn-interest.cc
+++ b/model/ndn-interest.cc
@@ -134,6 +134,7 @@
 Interest::SetPayload (Ptr<Packet> payload)
 {
   m_payload = payload;
+  m_wire = 0;
 }
 
 Ptr<const Packet>