SYNC_MESG_HEADER_LEN  520 net/netfilter/ipvs/ip_vs_sync.c 		       SYNC_MESG_HEADER_LEN - 20) / SIMPLE_CONN_SIZE;
SYNC_MESG_HEADER_LEN  521 net/netfilter/ipvs/ip_vs_sync.c 		sync_send_mesg_maxlen = SYNC_MESG_HEADER_LEN +