--- busybox-1.10.2/networking/libiproute/ip_parse_common_args.c	Sat Apr 19 05:50:26 2008
+++ busybox-1.10.2-ip/networking/libiproute/ip_parse_common_args.c	Sat May 31 09:32:09 2008
@@ -54,7 +54,7 @@
 				break;
 			}
 		}
-		arg = index_in_strings(ip_common_commands, opt);
+		arg = index_in_substrings(ip_common_commands, opt);
 		if (arg < 0)
 			bb_show_usage();
 		if (arg == ARG_oneline) {