Definitely a DisplayLink issue. I have run my MAC for 2 days without the DisplayLink driver installed but using thunderbolt monitors without experiencing the issue. Within 10 minutes of attaching a DisplayLink dock the DisplayLink Manager goes to above 100% CPU and Windowserver >35%. Disconnecting the dock removes the DisplayLink Manager CPU use but Windowsserver remains at 35%. The only way to restore is to reboot multiple times, typically twice, for some reason once is not enough.
So reinstalling Mojave as a clean install and blowing away all my previous data has had no effect on the outcome.
No responses from DisplayLink I see....shame.
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