| Well, it seems the kernel supports it, but I didn't find any clues in
| the ifconfig sources ...

  Er, where? There is a if_sadl pointer in struct ifnet, but
that's about all I can find. Is the supposed procedure to
change it a ifconfig down, futz with sadl, ifconfig up? 
Shouldn't there be an ioctl to do the change (which could tell
one that the driver/card in question does not support altering
the mac address?

	mjl