Fix unmodifiable array
diff --git a/src/main/java/com/intel/jndn/mock/MockTransport.java b/src/main/java/com/intel/jndn/mock/MockTransport.java
index 3684441..0704f94 100644
--- a/src/main/java/com/intel/jndn/mock/MockTransport.java
+++ b/src/main/java/com/intel/jndn/mock/MockTransport.java
@@ -134,7 +134,7 @@
    */
   @Override
   public void send(ByteBuffer data) throws IOException {
-    logger.debug("Sending " + (data.capacity() - data.position()) + " bytes: " + Arrays.toString(data.array()));
+    logger.debug("Sending " + (data.capacity() - data.position()) + " bytes");
 
     // add to sent bytes
     buffer.put(data);