Running the ReaR recovery reboots the system with an error: hpwdt: Unexpected close, not stopping watchdog

Issue

• System reboots after running the ReaR recovery system with the following message:

watchdog: watchdog0: watchdog did not stop!
watchdog: watchdog0: watchdog did not stop!

• System crashed with the following call traces after running the ReaR recovery system.

[64982.179846] hpwdt: Unexpected close, not stopping watchdog!
[65003.249640] Kernel panic - not syncing: An NMI occurred. Depending on your system the reason for the NMI is logged in any one of the following resources:
               1. Integrated Management Log (IML)
               2. OA Syslog
               3. OA Forward Progress Log
               4. iLO Event Log
[65003.249705] CPU: 0 PID: 29197 Comm: gzip Kdump: loaded Tainted: GW  ------------   3.10.0-862.14.4.el7.x86_64 #1
[65003.249729] Hardware name: HPE Synergy 480 Gen10/Synergy 480 Gen10 Compute Module, BIOS I42 03/09/2020
[65003.249749] Call Trace:
[65003.249761]  [<ffffffff95f13754>] dump_stack+0x19/0x1b
[65003.249775]  [<ffffffff95f0d29f>] panic+0xe8/0x21f
[65003.249800]  [<ffffffff9589432f>] nmi_panic+0x3f/0x40
[65003.249814]  [<ffffffffc0371956>] hpwdt_pretimeout+0x86/0xfa [hpwdt]
[65003.249831]  [<ffffffff95f1d8cc>] nmi_handle.isra.0+0x8c/0x150
[65003.249846]  [<ffffffff95f1dbde>] do_nmi+0x24e/0x460
[65003.249858]  [<ffffffff95f1cc96>] nmi+0x106/0x155