RTA_GET_U64       722 include/linux/rtnetlink.h #define RTA_GET_SECS(rta) ((unsigned long) RTA_GET_U64(rta) * HZ)
RTA_GET_U64       723 include/linux/rtnetlink.h #define RTA_GET_MSECS(rta) (msecs_to_jiffies((unsigned long) RTA_GET_U64(rta)))