ndn: Add GUI

Change-Id: I7336bbb04121166d064b76cbad9f760c3dd16c2d
diff --git a/ndn/nlsr.py b/ndn/nlsr.py
index 03719e5..cda91ea 100644
--- a/ndn/nlsr.py
+++ b/ndn/nlsr.py
@@ -113,7 +113,7 @@
                     other = node1
                     ip = other.IP(str(link.intf1))
 
-                linkCost = intf.params.get("delay", "0ms").replace("ms", "")
+                linkCost = intf.params.get("delay", "10ms").replace("ms", "")
 
                 neighbors += "neighbor\n"
                 neighbors += "{\n"