PMS keeps crashing randomly (uptime ranges from minutes to days)

Server Version#: 1.25.5.5492
OS: Ubuntu 20.04.3
Bare metal install.

I updated from an older version of PMS recently. I want to say it was around version 1.24.x.x. PMS on my server used to be rock solid. Ever since updating, I have had issues with the Plex Server crashing and no longer responding. That is to say, the service is not responding. I can still remote in and restart the service and things work again. Typically, Plex crashes at least once a day. I’ve got logs that cover the timeframe of at least two crashes. Both times, these are the last few messages before I get a long trace:

2022-02-13 10:08:23,147 (7fcf18d0bb38) :  DEBUG (runtime:717) - Handling request GET /system/notify/serverUpdated?host=192.168.10.226
2022-02-13 10:08:23,149 (7fcf18d0bb38) :  DEBUG (runtime:814) - Found route matching /system/notify/serverUpdated
2022-02-13 10:08:23,150 (7fcf18d0bb38) :  DEBUG (peerservice:386) - Handling server update notification (192.168.10.226)
2022-02-13 10:08:23,150 (7fcf18d0bb38) :  DEBUG (peerservice:189) - Updating servers (True/False True/True/True)
2022-02-13 10:08:23,151 (7fcf18d0bb38) :  DEBUG (peerservice:164) - Fetching the current list of servers
2022-02-13 10:08:23,152 (7fcf18d0bb38) :  DEBUG (networking:143) - Requesting 'http://127.0.0.1:32400/servers'
2022-02-13 10:08:43,264 (7fcf18d0bb38) :  CRITICAL (runtime:889) - Exception (most recent call last):

192.168.10.226 is an Nvidia Shield running Plex Media Server. It looks like it’s trying to talk to my Ubuntu machine when the crashes occur. I haven’t tried stopping PMS on the Shield to see if that resolves the issue but that would be a less than ideal workaround anyway. The setup was very stable for a long time. I’ve now been updating for the last several weeks hoping a fix would occur but I haven’t had any luck so I’m posting here. Any thoughts? Would it help to see the trace?

Thanks in advance.

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