IPOE with User-Manager

In our quest to ditch PPPoE in our network we decided to give it a whim and put a LAB generally it was ok, the client computer can authenticate it’s MAC in user-manager via radius but I found it odd that you can authenticate the same mac address at the same time this is a no go for ISP setup, well honestly please don’t ask why the ONU/Computer is in a trunk port we have reasons, is this a known issue with Mikrotik? I just want to know before I file a bug report

ss.png
ss2.png

By the way forgot to say thanks in advance for the people who could chime in