I believe the issue might be related with the fact that the device has
all zeros for the mac address and the wifi network does not like that.
Just a thought... On my home app, under device info for the hub max
where the software version gets displaye...
I have the same exact issue for about a year or so, following this
thread for a while without any outcomes. I tried pretty much everything
without any luck. Google mux hub on google wifi. System firmware
8.20220713.2.194059