<network> <name>default</name> <bridge name="virbr0"/> <forward mode='nat'> <nat ipv6='yes'> <port start='500' end='1000'/> </nat> </forward> <ip address="192.168.122.1" netmask="255.255.255.0"> <dhcp> <range start="192.168.122.2" end="192.168.122.254"/> </dhcp> </ip> <ip address="192.168.128.1" netmask="255.255.255.0"/> <ip family="ipv6" address="2001:db8:ca2:2::1" prefix="64" > <dhcp> <range start="2001:db8:ca2:2:1::10" end="2001:db8:ca2:2:1::ff" /> </dhcp> </ip> </network>