Seems that my server keep tuning its clock, somewhat weird…

Jun 30 22:56:43 tarsier ntpd[412]: ntpd 4.2.0-a Thu Jun 30 11:02:35 CST 2005 (1)
Jun 30 22:56:43 tarsier ntpd[412]: no IPv6 interfaces found
Jun 30 23:05:20 tarsier ntpd[412]: kernel time sync disabled 2041
Jun 30 23:14:58 tarsier ntpd[412]: kernel time sync enabled 2001
Jul 1 01:26:33 tarsier ntpd[412]: kernel time sync enabled 6001
Jul 1 01:43:39 tarsier ntpd[412]: kernel time sync enabled 2001
Jul 1 09:36:14 tarsier ntpd[412]: time reset -0.152496 s
Jul 1 11:30:42 tarsier ntpd[412]: time reset +0.155343 s
Jul 1 11:30:42 tarsier ntpd[412]: kernel time sync enabled 6001
Jul 1 11:40:17 tarsier ntpd[412]: kernel time sync enabled 2001
Jul 1 15:57:41 tarsier ntpd[412]: time reset +0.176810 s
Jul 1 15:57:41 tarsier ntpd[412]: kernel time sync enabled 6001
Jul 1 16:07:19 tarsier ntpd[412]: kernel time sync enabled 2001
Jul 1 20:10:47 tarsier ntpd[412]: time reset -0.156077 s
Jul 1 20:20:24 tarsier ntpd[412]: time reset +0.236649 s
Jul 2 10:33:54 tarsier ntpd[412]: time reset -0.132817 s
Jul 2 16:11:24 tarsier ntpd[412]: kernel time sync enabled 6001
Jul 2 16:27:47 tarsier ntpd[412]: kernel time sync enabled 2001
Jul 3 19:50:46 tarsier ntpd[412]: kernel time sync enabled 6001
Jul 3 20:17:51 tarsier ntpd[412]: kernel time sync enabled 2001
Jul 4 10:12:53 tarsier ntpd[412]: time reset -0.160430 s
Jul 4 10:12:53 tarsier ntpd[412]: kernel time sync enabled 6001
Jul 4 10:22:29 tarsier ntpd[412]: kernel time sync enabled 2001
Jul 4 20:30:43 tarsier ntpd[412]: kernel time sync enabled 6001
Jul 4 20:31:05 tarsier ntpd[412]: kernel time sync enabled 2001
Jul 5 00:34:58 tarsier ntpd[412]: time reset +0.157389 s
Jul 5 11:00:13 tarsier ntpd[412]: time reset -0.133099 s
Jul 5 18:48:49 tarsier ntpd[412]: time reset +0.263088 s
Jul 5 18:48:49 tarsier ntpd[412]: kernel time sync enabled 6001
Jul 5 18:58:22 tarsier ntpd[412]: kernel time sync enabled 2001
Jul 5 19:57:22 tarsier ntpd[412]: time reset -0.178673 s
Jul 6 00:12:40 tarsier ntpd[412]: time reset +0.144622 s
Jul 6 09:51:10 tarsier ntpd[412]: time reset -0.132773 s
Jul 6 23:40:28 tarsier ntpd[412]: time reset +0.149341 s
Jul 7 01:53:55 tarsier ntpd[412]: time reset -0.177050 s
Jul 7 09:58:34 tarsier ntpd[412]: time reset -0.183544 s
Jul 7 12:15:14 tarsier ntpd[412]: time reset +0.158977 s
Jul 7 17:33:38 tarsier ntpd[412]: time reset +0.188230 s
Jul 7 19:31:21 tarsier ntpd[412]: time reset -0.183378 s
Jul 8 09:22:04 tarsier ntpd[412]: time reset -0.190559 s
Jul 8 10:48:50 tarsier ntpd[412]: time reset +0.144984 s
Jul 8 14:44:54 tarsier ntpd[412]: time reset +0.156142 s
Jul 8 20:13:49 tarsier ntpd[412]: time reset -0.211498 s
Jul 8 20:23:25 tarsier ntpd[412]: time reset +0.213453 s
Jul 8 23:54:54 tarsier ntpd[412]: time reset +0.171939 s
Jul 9 03:35:08 tarsier ntpd[412]: time reset -0.150036 s