#define MDB_RTA(r) \
((struct rtattr *)(((char *)(r)) + RTA_ALIGN(sizeof(struct br_mdb_entry))))
+#define MDB_RTR_RTA(r) \
+ ((struct rtattr *)(((char *)(r)) + RTA_ALIGN(sizeof(__u32))))
+
extern int print_linkinfo(const struct sockaddr_nl *who,
struct nlmsghdr *n,
void *arg);