You can view the MAC under the “WiFi” settings. Even though your connection is LAN you can see this in network settings.
I did some testing this evening and the MAC displayed in the settings is consistent. I will test next week viewing it from the network. I also have a message into engineering, I will report back with their response.
I also see that Android has an option for randomized MAC, but the option is not exposed in the limited version we’re utilizing for this device. It is possible it is there, but hidden. I will gather more information next week.
thanks
Mike.