There are managed switches that are designed to prevent the migration
pains, but they tend to be spendy.  I tend to build from clone without
networking and configure it after I can get to the guest os.  Or use
kickstart, but then you don't exactly have a clone.
On Nov 5, 2011 9:42 AM, "Benjamin Browning" <benb@bensbrowning.com> wrote:

> On Fri, Nov 4, 2011 at 5:34 PM, der.hans <PLUGd@lufthans.com> wrote:
> > The clone notices that it's no longer on the same (virtual) hardware, so
> > udev rules move to a new networking device, but the networking rules
> don't
> > get updated. In other words, no networking, so no talking to the dhcp
> > server.
>
> If you do this, be mindful that spinning up a clone VM without
> disabling the networking until you reconfigure it can and will cause
> arp poisoning...
>
> ~Ben
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