CL老大的POWER版日志中出现这种提示，有什么问题？

sblive

up 3605 seconds, stats for 3605 seconds:Feb 23 01:40:02 zzwb daemon.info thttpd[1678]:   thttpd - 0 connections (0/sec), 0 max simultaneous, 0 bytes (0/sec), 0 httpd_conns allocatedFeb 23 01:40:02 zzwb daemon.info thttpd[1678]:   map cache - 0 allocated, 0 active (0 bytes), 0 free; hash size: 0; expire age: 1800Feb 23 01:40:02 zzwb daemon.info thttpd[1678]:   fdwatch - 1881 polls (0.521775/sec)Feb 23 01:40:02 zzwb daemon.info thttpd[1678]:   timers - 3 allocated, 3 active, 0 freeFeb 23 02:40:02 zzwb daemon.info thttpd[1678]: up 7205 seconds, stats for 3600 seconds:Feb 23 02:40:02 zzwb daemon.info thttpd[1678]:   thttpd - 0 connections (0/sec), 0 max simultaneous, 0 bytes (0/sec), 0 httpd_conns allocatedFeb 23 02:40:02 zzwb daemon.info thttpd[1678]:   map cache - 0 allocated, 0 active (0 bytes), 0 free; hash size: 0; expire age: 1800Feb 23 02:40:02 zzwb daemon.info thttpd[1678]:   fdwatch - 1866 polls (0.518333/sec)Feb 23 02:40:02 zzwb daemon.info thttpd[1678]:   timers - 3 allocated, 3 active, 0 freeFeb 23 03:40:02 zzwb daemon.info thttpd[1678]: up 10805 seconds, stats for 3600 seconds:Feb 23 03:40:02 zzwb daemon.info thttpd[1678]:   thttpd - 0 connections (0/sec), 0 max simultaneous, 0 bytes (0/sec), 0 httpd_conns allocatedFeb 23 03:40:02 zzwb daemon.info thttpd[1678]:   map cache - 0 allocated, 0 active (0 bytes), 0 free; hash size: 0; expire age: 1800Feb 23 03:40:02 zzwb daemon.info thttpd[1678]:   fdwatch - 1930 polls (0.536111/sec)Feb 23 03:40:02 zzwb daemon.info thttpd[1678]:   timers - 3 allocated, 3 active, 0 freeFeb 23 04:40:02 zzwb daemon.info thttpd[1678]: up 14405 seconds, stats for 3600 seconds:Feb 23 04:40:02 zzwb daemon.info thttpd[1678]:   thttpd - 0 connections (0/sec), 0 max simultaneous, 0 bytes (0/sec), 0 httpd_conns allocatedFeb 23 04:40:02 zzwb daemon.info thttpd[1678]:   map cache - 0 allocated, 0 active (0 bytes), 0 free; hash size: 0; expire age: 1800Feb 23 04:40:02 zzwb daemon.info thttpd[1678]:   fdwatch - 1939 polls (0.538611/sec)Feb 23 04:40:02 zzwb daemon.info thttpd[1678]:   timers - 3 allocated, 3 active, 0 freeFeb 23 04:51:25 zzwb authpriv.info dropbear[24204]: Child connection from 192.168.0.99:1862Feb 23 04:52:30 zzwb authpriv.info dropbear[24204]: exit before auth: Failed to get client versionFeb 23 05:40:02 zzwb daemon.info thttpd[1678]: up 18005 seconds, stats for 3600 seconds:Feb 23 05:40:02 zzwb daemon.info thttpd[1678]:   thttpd - 0 connections (0/sec), 0 max simultaneous, 0 bytes (0/sec), 0 httpd_conns allocatedFeb 23 05:40:02 zzwb daemon.info thttpd[1678]:   map cache - 0 allocated, 0 active (0 bytes), 0 free; hash size: 0; expire age: 1800Feb 23 05:40:02 zzwb daemon.info thttpd[1678]:   fdwatch - 1914 polls (0.531667/sec)Feb 23 05:40:02 zzwb daemon.info thttpd[1678]:   timers - 3 allocated, 3 active, 0 freeFeb 23 06:40:02 zzwb daemon.info thttpd[1678]: up 21605 seconds, stats for 3600 seconds:Feb 23 06:40:02 zzwb daemon.info thttpd[1678]:   thttpd - 0 connections (0/sec), 0 max simultaneous, 0 bytes (0/sec), 0 httpd_conns allocatedFeb 23 06:40:02 zzwb daemon.info thttpd[1678]:   map cache - 0 allocated, 0 active (0 bytes), 0 free; hash size: 0; expire age: 1800Feb 23 06:40:02 zzwb daemon.info thttpd[1678]:   fdwatch - 1856 polls (0.515556/sec)Feb 23 06:40:02 zzwb daemon.info thttpd[1678]:   timers - 3 allocated, 3 active, 0 freeFeb 23 07:40:02 zzwb daemon.info thttpd[1678]: up 25205 seconds, stats for 3600 seconds:Feb 23 07:40:02 zzwb daemon.info thttpd[1678]:   thttpd - 0 connections (0/sec), 0 max simultaneous, 0 bytes (0/sec), 0 httpd_conns allocatedFeb 23 07:40:02 zzwb daemon.info thttpd[1678]:   map cache - 0 allocated, 0 active (0 bytes), 0 free; hash size: 0; expire age: 1800Feb 23 07:40:02 zzwb daemon.info thttpd[1678]:   fdwatch - 1848 polls (0.513333/sec)Feb 23 07:40:02 zzwb daemon.info thttpd[1678]:   timers - 3 allocated, 3 active, 0 freeFeb 23 08:40:02 zzwb daemon.info thttpd[1678]: up 28805 seconds, stats for 3600 seconds:Feb 23 08:40:02 zzwb daemon.info thttpd[1678]:   thttpd - 0 connections (0/sec), 0 max simultaneous, 0 bytes (0/sec), 0 httpd_conns allocatedFeb 23 08:40:02 zzwb daemon.info thttpd[1678]:   map cache - 0 allocated, 0 active (0 bytes), 0 free; hash size: 0; expire age: 1800Feb 23 08:40:02 zzwb daemon.info thttpd[1678]:   fdwatch - 1890 polls (0.525/sec)Feb 23 08:40:02 zzwb daemon.info thttpd[1678]:   timers - 3 allocated, 3 active, 0 freeFeb 23 09:40:02 zzwb daemon.info thttpd[1678]: up 32405 seconds, stats for 3600 seconds:Feb 23 09:40:02 zzwb daemon.info thttpd[1678]:   thttpd - 0 connections (0/sec), 0 max simultaneous, 0 bytes (0/sec), 0 httpd_conns allocatedFeb 23 09:40:02 zzwb daemon.info thttpd[1678]:   map cache - 0 allocated, 0 active (0 bytes), 0 free; hash size: 0; expire age: 1800Feb 23 09:40:02 zzwb daemon.info thttpd[1678]:   fdwatch - 1909 polls (0.530278/sec)Feb 23 09:40:02 zzwb daemon.info thttpd[1678]:   timers - 3 allocated, 3 active, 0 freeFeb 23 10:40:02 zzwb daemon.info thttpd[1678]: up 36005 seconds, stats for 3600 seconds:Feb 23 10:40:02 zzwb daemon.info thttpd[1678]:   thttpd - 0 connections (0/sec), 0 max simultaneous, 0 bytes (0/sec), 0 httpd_conns allocatedFeb 23 10:40:02 zzwb daemon.info thttpd[1678]:   map cache - 0 allocated, 0 active (0 bytes), 0 free; hash size: 0; expire age: 1800Feb 23 10:40:02 zzwb daemon.info thttpd[1678]:   fdwatch - 1870 polls (0.519444/sec)Feb 23 10:40:02 zzwb daemon.info thttpd[1678]:   timers - 3 allocated, 3 active, 0 freeFeb 23 11:40:02 zzwb daemon.info thttpd[1678]: up 39605 seconds, stats for 3600 seconds:Feb 23 11:40:02 zzwb daemon.info thttpd[1678]:   thttpd - 0 connections (0/sec), 0 max simultaneous, 0 bytes (0/sec), 0 httpd_conns allocatedFeb 23 11:40:02 zzwb daemon.info thttpd[1678]:   map cache - 0 allocated, 0 active (0 bytes), 0 free; hash size: 0; expire age: 1800Feb 23 11:40:02 zzwb daemon.info thttpd[1678]:   fdwatch - 1908 polls (0.53/sec)Feb 23 11:40:02 zzwb daemon.info thttpd[1678]:   timers - 3 allocated, 3 active, 0 free是什么问题？以前从有过这种提示。。似乎用过POLLS。。