[CentOS-virt] VMs failing to restart

I published notes some time back about pair bonding for CentOS,
applicable to Scientific Linux as well, t
https://wikis.uit.tufts.edu/confluence/display/TUSKpub/Configure+Pair+Bonding,+VLANs,+and+Bridges+for+KVM+Hypervisor

Show us your /etc/sysconfig/network-scripts/ifcfg-br0, if you would. I
particularly want to see your "BONDING_OPTS".



On Wed, Mar 26, 2014 at 6:24 PM, Lars Hecking
<lhecking at users.sourceforge.net> wrote:
> Nico Kadel-Garcia writes:
>> NetworkManager and system-config-network do not really handle pair
>> bonding very well, so you've obviously set it up by hand. this is the
>> point where, getting a paid license RHEL license for your KVM server
>> gets you direct access to their support team.
>
>  My servers don't use NM. Cf. other discussions on the main centos list :)
>
>> In particular, post your bridge settings. I think they should be set
>> to "failover", not to the other, more complex and load balanced
>> settings, to avoid confusing your switches and possibly KVM clients.
>
>  This? Or is there more information available?
>
> # brctl  show
> bridge name     bridge id               STP enabled     interfaces
> br0             8000.00215e4d349b       no              bond0
>                                                         vnet0
>                                                         vnet1
>                                                         vnet2
>                                                         vnet3
>                                                         vnet4
>                                                         vnet5
>                                                         vnet6
> virbr0          8000.525400825a69       yes             virbr0-nic
> #
>
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