AC797 suddenly rebooted

Firmware

https://imgur.com/J2RXmRV

DeviceInfo

https://imgur.com/Kov8TFk

My AC797 suddenly reboots.

Here's a reproduction of the issue:

1. 2.4g, 5g network connection (iOS or OSX)
2. Speed measurement at speedtest.net
3. Abnormal reboot in progress

The firmware and device information in use is included as a screenshot.