On 08.03.2013 08:40, yue wrote: > libvirt has a default NAT network, it create a bridge based on virbr0-nic, > how virbr0-nic is created? > > thanks > It's created in networkStartNetworkVirtual and subsequent functions which all boils down to: fd = open("/dev/net/tun", O_RDWR)); in virNetDevTapCreate. Michal -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list