ipvsadm+pirnaha 问题：cmserver nanny[5130]: READ to 172.16.0.154:80 timed out

Apr 11 18:23:09 cmserver piranha-gui: piranha_gui startup succeeded
Apr 11 18:23:36 cmserver pulse[5118]: STARTING PULSE AS MASTER
Apr 11 18:23:36 cmserver pulse: pulse startup succeeded
Apr 11 18:23:54 cmserver pulse[5118]: partner dead: activating lvs
Apr 11 18:23:54 cmserver lvs[5121]: starting virtual service web active: 80
Apr 11 18:23:54 cmserver nanny[5129]: starting LVS client monitor for 172.16.0.155:80
Apr 11 18:23:54 cmserver lvs[5121]: create_monitor for web/real1 running as pid 5129
Apr 11 18:23:54 cmserver nanny[5130]: starting LVS client monitor for 172.16.0.155:80
Apr 11 18:23:54 cmserver lvs[5121]: create_monitor for web/real2 running as pid 5130
Apr 11 18:23:59 cmserver pulse[5123]: gratuitous lvs arps finished
Apr 11 18:24:00 cmserver nanny[5130]: READ to 172.16.0.154:80 timed out
Apr 11 18:24:00 cmserver nanny[5129]: READ to 172.16.0.153:80 timed out
Apr 11 18:24:12 cmserver nanny[5130]: READ to 172.16.0.154:80 timed out
Apr 11 18:24:12 cmserver nanny[5129]: READ to 172.16.0.153:80 timed out
Apr 11 18:24:24 cmserver nanny[5130]: READ to 172.16.0.154:80 timed out

通过网页访问piranha来配置，配置完成后，
[root@cmserver ~]# ipvsadm -l
IP Virtual Server version 1.2.0 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP 172.16.0.155:http wlc persistent 600

resal server没有加进来，然后按/var/log/messages中信息就是最上面的那个！！是怎么回事？？怎么处理啊？？？！！