"This function was not updating the argc and argv pointers to reflect

the arguments it consumed, which means the calling function encountered
them as well.  As a result, a command like "ip -6 addr" was yielding a usage
error." - Philip Blundell

networking/libiproute/ip_parse_common_args.c

@@ -71,4 +71,6 @@ void ip_parse_common_args(int *argcp, char ***argvp)
 		argc--;	argv++;
 	}
 	_SL_ = oneline ? "\\" : "\n" ;
+	*argcp = argc;
+	*argvp = argv;
 }