Node shutdown reboot with SEL event Power Unit absent FRU

> system log sel
448 | 01/18/2023 | 16:38:37 | Power Unit #0xb6 |  | Asserted | absent FRU: MID1_FRU MID2_FRU PSU1_FRU PSU2_FRU FANMODULE1_FRU FANMODULE2_FRU FANMODULE3_FRU
449 | 01/18/2023 | 16:38:37 | Power Unit #0xb7 |  | Asserted | absent FRU: MID1_FRU MID2_FRU PSU1_FRU PSU2_FRU FANMODULE1_FRU FANMODULE2_FRU FANMODULE3_FRU
44a | 01/18/2023 | 16:39:34 | Entity Presence #0xb6 | Absent | Asserted
44b | 01/18/2023 | 16:39:34 | Entity Presence #0xb7 | Absent | Asserted
44c | 01/18/2023 | 16:42:18 | System Firmware Progress | Secondary CPU Initialization | Asserted
44d | 01/18/2023 | 16:42:18 | System Firmware Progress | USB resource configuration | Asserted
44e | 01/18/2023 | 16:42:21 | System Firmware Progress | PCI resource configuration | Asserted
44f | 01/18/2023 | 16:42:22 | System Firmware Progress | Video initialization | Asserted
450 | 01/18/2023 | 16:42:22 | System Firmware Progress | Keyboard controller initialization | Asserted
451 | 01/18/2023 | 16:42:22 | System Firmware Progress | Hard-disk initialization | Asserted
452 | 01/18/2023 | 16:42:41 | System Event |  | Asserted

> system log console
BIOS Version: 16.7
PEI start.
CPU PEI initialization.
Wait BMC self-test result.
BMC self-test: OK.
UPI initialization.
CPU initialization.
Running full memory initialization.
CPU reset.
BIOS Version: 16.7
PEI start.
CPU PEI initialization.
Wait BMC self-test result.
BMC self-test: OK.
UPI initialization.
CPU initialization.
Running full memory initialization.
DIMM F0: NVDIMM pending and destage progressing.....
DIMM F0: NVDIMM with valid data and restage progressing.....
DIMM F0: NVDIMM RESTAGE Success+++++++++
SPI FLASH: Primary BIOS
PEI end.
DXE start.
USB initialization.
PCI host bridge initialization.
CSM initialization.
PCI Bus initialization start.
BDS start.
Console output devices connect.

Version 2.20.1276. Copyright (C) 2022 American Megatrends, Inc.
BIOS Date: 02/24/2022 16:39:47 Ver: 16.7
Press <DEL> or <ESC> to enter setup.
Press <F7> to enter Boot Menu.
[System Information]
CPU = 2 Processors Detected
CPU 0 : Intel(R) Xeon(R) Silver 4210 CPU @ 2.20GHz  Core : 10
CPU 1 : Intel(R) Xeon(R) Silver 4210 CPU @ 2.20GHz  Core : 10
Memory Size : 147456 MB

Ready to boot.

Boot Loader version 6.4.13
Copyright (C) 2000-2003 Broadcom Corporation.
Portions Copyright (C) 2002-2022 NetApp, Inc. All Rights Reserved.

ACPI RSDP Found at 0x6cc2f000

Starting AUTOBOOT press Ctrl-C to abort...
Loading X86_64/freebsd/image2/kernel:0x200000/1136320 0x316000/11691528 0x103c608/3931200 0x13fc248/13424224 0x200240/1016 Entry at 0xffffffff80316000
Loading X86_64/freebsd/image2/platform.ko:0x20ca000/4747552 0x2551120/615328
Starting program at 0xffffffff80316000
NetApp Data ONTAP 9.8P14
ena_rss_init_default_deferred() [TID:100000]: No devclass ena
IPMI device unit 0 rev. 1, firmware rev. 13.06, version 2.0, device support mask 0xbf
IPMI device unit 1 rev. 1, firmware rev. 13.06, version 2.0, device support mask 0xbf
Wed Jan 18 16:42:58 2023 [nvdimm.nvmem.destage.succeed:NOTICE]:NVMEM subsystem successfully copied nonvolatile data to flash memory on NVDIMM device in 64 seconds.
Wed Jan 18 16:42:58 2023 [nvdimm.nvmem.restage.succeed:NOTICE]:NVMEM subsystem successfully restored nonvolatile data from flash memory on NVDIMM device in 99 seconds.
Copyright (C) 1992-2022 NetApp.
All rights reserved.
*******************************
*                             *
* Press Ctrl-C for Boot Menu. *
*                             *
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Disk reservations have been released
Waiting for giveback...(Press Ctrl-C to abort wait)