From Fedora Project Wiki
Actions:
1. # virsh iface-list
2. # /sbin/ifconfig
3. compare the result of step 1 with result of step 2. checkpoint including:
1> if the interface is exist.
2> if the interface is active
3> if the MAC address of interface is consistent
Expected Results:
Step 1:
list the physical network interfaces successfully
Step 3:
All checkpoints are good.