Check duplicate HR coordinates in topology file

refs: #4812

Change-Id: I8b416e7fe5d5af73957e74b030e52897b7c75a9d
diff --git a/ndn/apps/nfdc.py b/ndn/apps/nfdc.py
index 9f1b312..e5ed6cc 100644
--- a/ndn/apps/nfdc.py
+++ b/ndn/apps/nfdc.py
@@ -53,6 +53,7 @@
     @staticmethod
     def unregisterRoute(node, namePrefix, remoteNodeAddress, origin=255):
         cmd = "nfdc route remove {} {} {}".format(namePrefix, remoteNodeAddress, origin)
+        debug(node.cmd(cmd))
         time.sleep(0.5)
 
     @staticmethod