tools: fix the inconsistent logging among ndn-autoconfig stages

refs #4079

Change-Id: Ie1edd8d30dbe7a9f5bf7b3364a07e71910cd91eb
diff --git a/tools/ndn-autoconfig/guess-from-search-domains.cpp b/tools/ndn-autoconfig/guess-from-search-domains.cpp
index 2f452e7..ae38cad 100644
--- a/tools/ndn-autoconfig/guess-from-search-domains.cpp
+++ b/tools/ndn-autoconfig/guess-from-search-domains.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014-2015,  Regents of the University of California,
+ * Copyright (c) 2014-2017,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -38,6 +38,8 @@
 void
 GuessFromSearchDomains::start()
 {
+  std::cerr << "Trying default suffix DNS query..." << std::endl;
+
   try {
     std::string hubUri = BaseDns::querySrvRrSearch();
     this->connectToHub(hubUri);