[libvirt-users] Can't NAT in KVM

Sat Jul 28 07:27:49 UTC 2012

On 07/27/2012 03:15 AM, Borden Rhodes wrote:
> I have tried creating a Windows 8 Release Preview machine and a
> Kubuntu Live CD machine. Despite recognising the hardware and network
> interface, neither machine will connect to the Internet. From what I
> can see in both virtual machines, it seems that neither is getting a
> DHCP lease from virbr0. I'm not sure what's broken or where to start
> looking for trouble because both the logs and the documentation are
> fairly sparse.

http://wiki.libvirt.org/page/PXE_boot_%28or_dhcp%29_on_guest_failed

My first guess would be that the iptables rules installed by libvirt are
being overridden.