为什么有一个1+in Wed Dec 9 19:34 - 20:50 (1+01:15)？
当我查看输出时，我发现两个这样的条目last reboot：
...
reboot system boot 4.2.5-1-ARCH Fri Dec 11 10:31 - 10:32 (00:01)
reboot system boot 4.2.5-1-ARCH Thu Dec 10 20:50 - 23:50 (02:59)
reboot system boot 4.2.5-1-ARCH Wed Dec 9 19:34 - 20:50 (1+01:15)
reboot system boot 4.2.5-1-ARCH Wed Dec 9 19:27 - 19:34 (00:06)
reboot system boot 4.2.5-1-ARCH Wed Dec 9 19:22 - 19:27 (00:04)
...
和
...
reboot system boot 4.3.3-2-ARCH Fri Jan 29 15:55 - 16:10 (00:14)
reboot system boot 4.3.3-2-ARCH Fri Jan 29 13:37 - 13:44 (00:07)
reboot system boot 4.3.3-2-ARCH Thu Jan 28 07:02 - 13:44 (1+06:41)
reboot system boot 4.3.3-2-ARCH Thu Jan 28 01:20 - 01:22 (00:01)
reboot system boot 4.3.3-2-ARCH Thu Jan 28 04:43 - 04:44 (00:00)
...