s = format (s, "weight=%d ", path->fp_weight);
s = format (s, "pref=%d ", path->fp_preference);
s = format (s, "%s: ", fib_path_type_names[path->fp_type]);
s = format (s, "weight=%d ", path->fp_weight);
s = format (s, "pref=%d ", path->fp_preference);
s = format (s, "%s: ", fib_path_type_names[path->fp_type]);