1. dump the xml of eth0, and save it as eth0.xml
# virsh iface-dumpxml eth0
3. compare the result of step 1 and step 2. whether they are consistent, checkpoints are :
1> MAC address
2> IP address of both IPv4 and IPv6 if your system has ipv6 enabled.
3> network prefix of both IPv4 and IPv6
all checkpoints are passed.