On the subject of it not being a common problem otherwise more people would be shouting... I'm getting it too, but on the VM page:
Sep 15 23:01:17 tower nginx: 2020/09/15 23:01:17 [error] 9412#9412: *2290204 upstream timed out (110: Connection timed out) while reading upstream, client: 192.168.1.160, server: , request: "GET /VMs/UpdateVM?uuid=3812b7f6-435a-b0df-5417-3dab7691c11e HTTP/1.1", upstream: "fastcgi://unix:/var/run/php5-fpm.sock:", host: "tower.local", referrer: "http://tower.local/VMs"
6.8.2, probably been an issue since upgrading from 6.7 (at a guess) - I've had the problem a while, but also presumed it must be something specific to my network.
