S9505E单板异常重启，是单板故障吗？

S9505E突然出现网络中断，出现下列日志。

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  ===============Display reboot information of slot 0===============

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======== Reboot info ========

Reboot Task:             DEV (TID: 53)

Reboot Time:             2024-12-03  14:07:13

Reboot Tick:             0x124416(CPU Tick High) 0x2973a223(CPU Tick Low)

Reboot Type:             0x3000015

%Dec  3 14:07:11:861 2024 HZ403-FXL(06)-A-S9505E DEVM/2/BOARD_STATE_FAULT: Board state changes to FAULT on Chassis 0 Slot 3, type is LSR1LN1BNL1.

%Dec  3 14:07:14:902 2024 HZ403-FXL(06)-A-S9505E DEVM/5/BOARD_REBOOT: Board is rebooting on Chassis 0 Slot 3.

%Dec  3 14:07:15:100 2024 HZ403-FXL(06)-A-S9505E IFNET/3/LINK_UPDOWN: RPR-Bridge1 link status is DOWN.

%Dec  3 14:07:47:522 2024 HZ403-FXL(06)-A-S9505E DEVM/4/BOARD_LOADING: Board is loading file on Chassis 0 Slot 3.

%Dec  3 14:07:49:137 2024 HZ403-FXL(06)-A-S9505E DEVM/5/LOAD_FINISHED: Board has finished loading file on Chassis 0 Slot 3.

%Dec  3 14:08:20:488 2024 HZ403-FXL(06)-A-S9505E DEVM/4/BOARD_LOADING: Board is loading file on Chassis 0 Slot 3.

%Dec  3 14:08:36:327 2024 HZ403-FXL(06)-A-S9505E DEVM/5/LOAD_FINISHED: Board has finished loading file on Chassis 0 Slot 3.

%Dec  3 14:08:40:713 2024 HZ403-FXL(06)-A-S9505E DEVM/4/BOARD_LOADING: Board is loading file on Chassis 0 Slot 3.

%Dec  3 14:08:55:468 2024 HZ403-FXL(06)-A-S9505E DEVM/5/LOAD_FINISHED: Board has finished loading file on Chassis 0 Slot 3.

%Dec  3 14:09:33:446 2024 HZ403-FXL(06)-A-S9505E DEVM/5/BOARD_STATE_NORMAL: Board state changes to NORMAL on Chassis 0 Slot 3, type is LSR1LN1BNL1.

%Dec  3 14:09:34:596 2024 HZ403-FXL(06)-A-S9505E SHELL/6/SHELL_CMD: -Task=CFM-IPAddr=**-User=**; Command is interface RPRPOS3/1/1

%Dec  3 14:09:34:599 2024 HZ403-FXL(06)-A-S9505E SHELL/6/SHELL_CMD: -Task=CFM-IPAddr=**-User=**; Command is description to HZ401-PUY(01)-A-S9505E RPRPOS3/1/2

%Dec  3 14:09:34:601 2024 HZ403-FXL(06)-A-S9505E SHELL/6/SHELL_CMD: -Task=CFM-IPAddr=**-User=**; Command is rpr bind RPR-Bridge1 ringlet0

%Dec  3 14:09:34:675 2024 HZ403-FXL(06)-A-S9505E SHELL/6/SHELL_CMD: -Task=CFM-IPAddr=**-User=**; Command is interface RPRPOS3/1/2

%Dec  3 14:09:34:679 2024 HZ403-FXL(06)-A-S9505E SHELL/6/SHELL_CMD: -Task=CFM-IPAddr=**-User=**; Command is description to HZ405-JIJ(09)-A-S9505E RPRPOS3/1/1

%Dec  3 14:09:34:682 2024 HZ403-FXL(06)-A-S9505E SHELL/6/SHELL_CMD: -Task=CFM-IPAddr=**-User=**; Command is rpr bind RPR-Bridge1 ringlet1

%Dec  3 14:09:35:334 2024 HZ403-FXL(06)-A-S9505E OPTMOD/4/MODULE_IN: -Slot=3;

 RPRPOS3/1/1: The transceiver is OC48/STM_16_IR_1_SFP.

%Dec  3 14:09:35:335 2024 HZ403-FXL(06)-A-S9505E OPTMOD/4/MODULE_IN: -Slot=3;

 RPRPOS3/1/2: The transceiver is OC48/STM_16_IR_1_SFP.

%Dec  3 14:10:04:687 2024 HZ403-FXL(06)-A-S9505E IFNET/3/LINK_UPDOWN: RPRPOS3/1/1 link status is UP.

%Dec  3 14:10:04:687 2024 HZ403-FXL(06)-A-S9505E IFNET/3/LINK_UPDOWN: RPR-Bridge1 link status is UP.

单板的状态和软件版本如下

LSR1LN1BNL1 3:  uptime is 0 week, 0 day, 2 hours, 59 minutes

Last reboot reason : Exception reboot

1024    Mbytes SDRAM

0       Kbytes NVRAM Memory

Type     : LSR1LN1BNL1

Software : S9500E-CMW520-R1828P03

Patch    : NONE

PCB      : Ver.C

Number of Fpga: 1

FPGA 0:

Software  : 0018

Number of Cpld: 1

Cpld 0:

SoftWare  : 003

PowChipA  : 000B

CpuCard

  Type      : LMCUL

  PCB       : Ver.A

  Number of Cpld: 1

  Cpld 0:

    SoftWare  : 001

  BootRom   : 1.10

Mbus card

  Type      : SR01MBCB

  Software  : 115

  PCB       : Ver.A

Number of Exist Subcards: 1

Subcard 1  :

  Exist     : Yes

  Type      : LSR1DRSP2L1

  PCB       : Ver.C

  Number of Cpld: 1

  Cpld 0:

    SoftWare  : 003