Live TV and DVR recordings buffering/skipping

Hoping someone can help. I decided to finally ditch my media center PC and move my cablecard over to plex for live TV and DVR.

Unfortunately, I keep getting buffering interruptions during live TV viewing, and my recordings will have jumps in them where the recording buffered while recording. Happens on all channels.
Plex Media Server Logs_2021-05-31_12-47-33.zip (8.2 MB)

Watching the dashboard, these interruptions are about 20 seconds. It almost seems as if a buffer is flushing periodically, causing the interruption in playback/recording.

I have a pretty robust system (server 2016, core i7, NVIDA Quadro P1000, NVME system drive, 32gb RAM, 22TB mirror tiered storage array, 2x1GBPS NIC team configuration. I also just upgraded the switch everything was connected to to try and alleviate any bottlenecks.

Logs attached, any ideas appreciated!

Server Version#: 1.23.1.4602
Player Version#:
Tuner Make/Model: HD Homerun Prime
Guide/Lineup name: Charter Spectrum
Using XMLTV?: ?
Channel number/Name: 711 NBC

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