L2 feautre bitmaps output verbose/non-verbose mode

Change-Id: I15ff191ee8724a3354c074db590472db05e0652e
Signed-off-by: Neale Ranns <nranns@cisco.com>
diff --git a/src/vnet/l2/l2_output.c b/src/vnet/l2/l2_output.c
index 31e3f06..27b838f 100644
--- a/src/vnet/l2/l2_output.c
+++ b/src/vnet/l2/l2_output.c
@@ -50,6 +50,7 @@
 #undef _
   };
   u32 feature_bitmap = va_arg (*args, u32);
+  u32 verbose = va_arg (*args, u32);
 
   if (feature_bitmap == 0)
     {
@@ -59,8 +60,18 @@
 
   int i;
   for (i = L2OUTPUT_N_FEAT - 1; i >= 0; i--)
-    if (feature_bitmap & (1 << i))
-      s = format (s, "%17s (%s)\n", display_names[i], l2output_feat_names[i]);
+    {
+      if (feature_bitmap & (1 << i))
+	{
+	  if (verbose)
+	    s =
+	      format (s, "%17s (%s)\n", display_names[i],
+		      l2output_feat_names[i]);
+	  else
+	    s = format (s, "%s ", l2output_feat_names[i]);
+	}
+    }
+
   return s;
 }