It's all been working great until today.
Decided to add a raspberry pi zero client.
Even though I enter the correct mac address it doesn't seem to accept it.
Started plugin "Autolog Squeezebox 2.2.0"
Autolog Squeezebox Autolog 'Squeezebox Controller' initialization complete
Autolog Squeezebox Started 'BathroomPI': ''
Autolog Squeezebox Started 'PI-Kitchen seq_no:0': 'b8:27:eb:73:da:57'