KVM bridge wonkiness in Fedora19

[Lonni J Friedman]

On Tue, Aug 6, 2013 at 4:54 PM, Patrick Lists
<fedora-list at puzzled.xs4all.nl> wrote:
> On 08/07/2013 01:31 AM, Lonni J Friedman wrote:
>>
>> On Tue, Aug 6, 2013 at 4:11 PM, Patrick Lists
>> <fedora-list at puzzled.xs4all.nl> wrote:
>>>
>>> On 08/07/2013 01:03 AM, Lonni J Friedman wrote:
>>> [snip]
>>>>
>>>>
>>>> I have firewalld disabled completely.  What does your
>>>>
>>>> /etc/sysconfig/network-scripts/ifcfg-br0 (and associated interface)
>>>> look like?  Also, can you post your 'brctl show' output?
>>>
>>>
>>>
>>> Sure, here you go:
>>>
>>>
>>> $ brctl show
>>> bridge name     bridge id               STP enabled     interfaces
>>> br0             0080.<redacted>         no              p21p1
>>>
>>
>> Is this the output while the VM is running, or when its shut down?
>
>
> brctl show was done when there were 5 VMs running.
>
>
>> I don't see anything here that differs from my configuration.
>>
>> To confirm, you're able to ping your VM's assigned IP address from
>> outside the VM?
>
>
> Yes. I can ping both ways:
>
> VM <--> VM
> VM <--> Hypervisor host
> VM <--> external host (www.google.com)
> LAN host (not Hypervisor) <--> VM

That's odd that you don't have any virtual network interfaces (vnet0,
vnet1, etc).  I wonder if that's some weird NetworkManager foo.