glad to be able to help, in my case it shows on docker log on x64 qnap when open deluge thin client on windows to control it. It shows whenewer there is starting traffic going on like download upload on qnap

on newest deluge 2.1.1 i got such error notice alyhought plugin works: 14:57:09 [ERROR ][deluge.pluginmanagerbase :1622] Unable to instantiate plugin 'TotalTraffic' from '/config/plugins/TotalTraffic-0.5.egg'! 14:57:09 [ERROR ][deluge.pluginmanagerbase :1622] No module named 'common' Traceback (most...