华为 USG 5100防火墙自动重启

不知道什么原因，防火墙自己重启：

查看重启原因：
sys

diag
display reset reason 

或 display black-box information startup

显示：

HRP_M[USG5100-diagnose]display black-box information startup
23:54:03 2021/03/29
Time Reset Reason
21-03-29 23:30:54 Control plane exception
21-03-29 18:24:36 Control plane exception
21-03-27 13:55:08 Control plane exception
21-03-26 15:37:18 Control plane exception
21-03-23 15:21:52 Control plane exception
21-03-21 14:20:53 Control plane exception
20-12-15 10:16:01 Control plane exception
20-12-15 09:59:07 Control plane exception
20-12-15 09:08:39 Control plane exception
20-03-08 18:51:27 Control plane exception
14-04-09 19:23:04 Command reboot
14-04-09 16:12:37 Command reboot
14-04-04 15:34:03 Command reboot
14-04-04 15:29:13 Command reboot
14-04-03 18:35:45 Power off
14-03-03 12:27:32 Power off
13-11-16 17:30:56 Power off
55-12-25 22:43:43 Power off
55-12-25 11:13:13 Power off