I was getting macvlan call traces this past year on Unraid 6.8 and 6.9. I have unifi hardware also and have always had vlans and static ip's for dockers. Here's some things I have done since I started getting the call traces. Not all of these were done to try and fix the problem. Just upgraded some hardware. I swapped my SM MB for my current x11ssi-ln4f (old one had bent pins anyway that made one of ram ports not work). I also upgraded my network USG4 router and USW 24 PoE switch to UDM Pro rout
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