[libvirt] KVM doesn't send an arp announce after live migrating a domain

[Avi Kivity]

  On 08/25/2010 12:21 PM, Nils Cant wrote:
> On 08/25/2010 10:38 AM, Gleb Natapov wrote:
>> qemu sends gratuitous ARP after migration. Check forward delay 
>> setting on your
>> bridge interface. It should be set to zero.
>>
>
> Aha! That fixed it. Turns out that debian bridge-utils sets the 
> default to 15 for bridges.
> Manually setting it to 0 with 'brctl setfd br0 0' or setting the 
> 'bridge_fd' parameter to 0 in /etc/network/interfaces solves the issue.
>

I think libvirt is doing something about this, copying list for further 
info.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.