In this case, the < maker > and < model > are different.
<camera>
<maker>Panasonic</maker>
<model>DMC-FZ1000</model>
<mount>panasonicFZ1000</mount>
<cropfactor>2.73</cropfactor>
</camera>
<lens>
<maker>Leica</maker>
<model>FZ1000 & compatibles</model>
Auto works when you modify the lens entry like this:
<lens>
<maker>Panasonic</maker>
<model>DMC-FZ1000 & compatibles</model>