[Xen-users] Xen 3.3 networking and other issues

[David Brain <dbrain@xxxxxxxxxxxxx>]

Hi,

I now have a seemingly stable xen 3.3 install running on top of a  
Centos 5.2 dom0 (basically built Xen 3.3 from source and installed  
over a non xen centos 5.2 - seems to work pretty well).
However I do have a couple of issues, with the stock Centos Xen I was  
able to easily setup network bonding and have xen use the bonded  
interface as it's bridge.  In xen 3.3 this doesn't seem to work.  I'm  
bonding two onboard NICs (as failover) to provide redundancy, and  
creating a bond0 device.
On xen 3.3 if I have:

(network-script 'network-bridge netdev=bond0')

The bridge fails to start leaving me with no working networking on the  
machine at all.  I have made it _somewhat_ work by manually creating a  
xenbr0 bridge - which at least lets me use my existing vms - but there  
has to be an 'official' way of doing this.
When I attempt to start xen I get the following messsages:

  bonding: bond0: Warning: the permanent HWaddr of eth0 -  
00:1E:C9:D3:96:09 - is still in use by bond0. Set the HWaddr of eth0   
to a different address to avoid   conflicts.
  Nothing to flush.
  Waiting for pbond0 to negotiage link.
  can't add pbond0 to bridge bond0: Invalid argument.

After this I am left with no interfaces having an IP address. Any  
thoughts as to what can be done to get this working?
Thanks,

David.









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