我的系统日记怎这样的？！

Question

记录：
Oct  8 04:02:03 localhost syslogd 1.4.1: restart.
Oct  8 04:52:37 localhost sshd(pam_unix)[2515]: check pass; user unknown
Oct  8 04:52:37 localhost sshd(pam_unix)[2515]: authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.65.142.74
Oct  7 06:09:38 localhost sshd(pam_unix)[17768]: authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.202.79.121  user=root

Oct  7 23:24:49 localhost sshd(pam_unix)[17866]: check pass; user unknown
Oct  7 23:24:49 localhost sshd(pam_unix)[17866]: authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.241.178.181
Oct  7 23:54:47 localhost sshd(pam_unix)[17868]: authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.211.136.39  user=rootOct  8 02:09:56 localhost sshd(pam_unix)[17881]: check pass; user unknown
Oct  8 02:09:56 localhost sshd(pam_unix)[17881]: authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.151.19.31
Oct  8 02:18:30 localhost sshd(pam_unix)[17885]: check pass; user unknown
Oct  8 02:18:30 localhost sshd(pam_unix)[17885]: authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.243.90.149
Oct  8 03:00:01 localhost kernel: kjournald starting.  Commit interval 5 seconds
Oct  8 03:00:01 localhost kernel: EXT3-fs warning: maximal mount count reached, running e2fsck is recommended
Oct  8 03:00:01 localhost kernel: EXT3 FS on sdb1, internal journal
Oct  8 03:00:01 localhost kernel: EXT3-fs: mounted filesystem with ordered data mode.
Oct  8 03:00:01 localhost kernel: SELinux: initialized (dev sdb1, type ext3), uses xattr

怎么日期穿插着来的？还有，syslogd怎重启了？是不是服务器给嘿了？