From Fedora Project Wiki
Actions:
1. get the MAC address of eth0 via "iface-mac"
# virsh iface-mac eth0
2. get the MAC address of eth0 via ifconfig
# /sbin/ifconfig
3. check if the result of step 1 and step 2 are same.
4. loop upper steps on the left physical network interfaces.
Expected Results:
Step 3:
same.