WX3540H 做了IRF确认重启原因

两台AC设备做了IRF，其中一台重启了，提供display version看到是power-on，这里看到的重启原因是整个IRF系统的还是单个设备（solt1或solt2）的呢

  ===============display version=============== 

H3C Comware Software, Version 7.1.064, Release 5229

Copyright (c) 2004-2018 New H3C Technologies Co., Ltd. All rights reserved.

H3C WX3540H uptime is 79 weeks, 4 days, 23 hours, 4 minutes

Last reboot reason : Power on

Boot image: cfa0:/boot.bin

Boot image version: 7.1.064, Release 5229

  Compiled Dec 04 2018 16:00:00

System image: cfa0:/system.bin

System image version: 7.1.064, Release 5229

  Compiled Dec 04 2018 16:00:00

Slot 1

Uptime is 0 week, 0 day, 4 hours, 21 minutes

with 1 1400MHz Multi-core Processor

16096M bytes DDR3

16M bytes NorFlash Memory

4002M bytes CFCard Memory

Hardware Version is Ver.A

CPLD Version is 003

Basic Bootrom Version is 5.06

Extend Bootrom Version is 5.14

[Subslot 0]WX3540H Hardware Version is Ver.A

Slot 2

Uptime is 79 weeks, 4 days, 23 hours, 6 minutes

with 1 1400MHz Multi-core Processor

16096M bytes DDR3

16M bytes NorFlash Memory

4002M bytes CFCard Memory

Hardware Version is Ver.A

CPLD Version is 003

Basic Bootrom Version is 5.06

Extend Bootrom Version is 5.14

[Subslot 0]WX3540H Hardware Version is Ver.A