Description of problem:
libvirtd setups virtual device correctly but modifies bridge MAC to same address
as virtual device. It causes bad problems and outside network is unreachable
from guest

Version-Release number of selected component (if applicable):
0.4.1-3.fc9

How reproducible:
always

Steps to Reproduce:
1. try start kvm guest with bridged interface
2. see that brigde and virtual device has same MACs and see errors in dmesg on
host machine (same source/destination MAC)
  
Actual results:
broken networking

Expected results:
working networking

Additional info:
when I downgrade to 0.4.0-5.fc9 all works as expected