remove use of deprecated nfdc syntax and update output processing

change all calls to nfd-status to nfdc

(except test_nfdc)

refs #4058

Change-Id: I4205602d180f5cb5c64e9883e79d5deb518533ad
diff --git a/test_interest_loop/test_interest_loop.py b/test_interest_loop/test_interest_loop.py
index c22b146..229f338 100644
--- a/test_interest_loop/test_interest_loop.py
+++ b/test_interest_loop/test_interest_loop.py
@@ -17,7 +17,7 @@
         1 : "Counter for incoming interest is greater than 200.",
         2 : "Counter for outgoing interest is greater than 200.",
         3 : "add-nexthop failed",
-        4 : "nfd-status failed",
+        4 : "nfdc face list failed",
     }
 
     def setUp(self):