face: Incrementing Face counters

Change-Id: Ia1d7917bb52cf01ab2ff304638bc9f6cbdb2626f
Refs: #1178
diff --git a/daemon/face/udp-face.cpp b/daemon/face/udp-face.cpp
index dc516a7..ac8e797 100644
--- a/daemon/face/udp-face.cpp
+++ b/daemon/face/udp-face.cpp
@@ -20,6 +20,7 @@
                             std::size_t nBytesReceived,
                             const boost::system::error_code& error)
 {
+  NFD_LOG_DEBUG("handleFirstReceive");
   //checking if the received message size is too big.
   //This check is redundant, since in the actual implementation a packet
   //cannot be bigger than MAX_NDN_PACKET_SIZE