cisco 6506 log日志报此类问题，请问是什么问题，求大神解答！

刘京_J先生

Oct  9 07:33:52: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe failed for server 192.168.168.41:8044 in serverfarm 'MES-8044'
Oct  9 07:33:53: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe failed for server 192.168.168.41:8042 in serverfarm 'MES-8042'
Oct  9 07:33:53: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe failed for server 192.168.168.41:8043 in serverfarm 'MES-8043'
Oct  9 07:33:53: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe failed for server 192.168.168.41:8041 in serverfarm 'MES-8041'
Oct  9 07:34:01: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe failed for server 192.168.168.41:8045 in serverfarm 'MES-8045'
Oct  9 07:34:02: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe failed for server 192.168.168.42:8045 in serverfarm 'MES-8045'
Oct  9 07:34:02: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe failed for server 192.168.168.41:8040 in serverfarm 'MES-8040'
Oct  9 07:34:03: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe failed for server 192.168.168.42:8044 in serverfarm 'MES-8044'
Oct  9 07:34:03: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe failed for server 192.168.168.42:8040 in serverfarm 'MES-8040'
Oct  9 07:34:04: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe failed for server 192.168.168.42:8041 in serverfarm 'MES-8041'
Oct  9 07:34:04: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe failed for server 192.168.168.42:8042 in serverfarm 'MES-8042'
Oct  9 07:34:05: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe failed for server 192.168.168.42:8043 in serverfarm 'MES-8043'
Oct  9 07:53:03: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe re-activated server 192.168.168.41:8041 in serverfarm 'MES-8041'
Oct  9 07:53:03: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe re-activated server 192.168.168.41:8044 in serverfarm 'MES-8044'
Oct  9 07:53:03: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe re-activated server 192.168.168.41:8043 in serverfarm 'MES-8043'
Oct  9 07:53:03: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe re-activated server 192.168.168.41:8045 in serverfarm 'MES-8045'
Oct  9 07:53:03: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe re-activated server 192.168.168.41:8040 in serverfarm 'MES-8040'
Oct  9 07:53:03: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe re-activated server 192.168.168.42:8045 in serverfarm 'MES-8045'
Oct  9 07:53:04: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe re-activated server 192.168.168.42:8044 in serverfarm 'MES-8044'
Oct  9 07:53:04: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe re-activated server 192.168.168.41:8042 in serverfarm 'MES-8042'
Oct  9 07:53:04: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe re-activated server 192.168.168.42:8041 in serverfarm 'MES-8041'
Oct  9 07:53:04: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe re-activated server 192.168.168.42:8043 in serverfarm 'MES-8043'
Oct  9 07:53:05: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe re-activated server 192.168.168.42:8040 in serverfarm 'MES-8040'
Oct  9 07:53:08: %CSM_SLB-6-RSERVERSTATE: Module 4 server state changed: SLB-NETMGT: TCP health probe re-activated server 192.168.168.42:8042 in serverfarm 'MES-8042'