[Openstack] Problem with neutron
Mārtiņš Jakubovičs
martins at hostnet.lv
Mon Dec 16 08:48:04 UTC 2013
Hello Amir,
Thanks for your reply! Here is my nova.conf
<http://paste.openstack.org/show/55036/> and neutron.conf
<http://paste.openstack.org/show/55035/>. Hmm where in neutron.conf I
should to configure integration bridge?
I need to install neutron in XenServer too? I run your command
`ovs-vsctl add-br br-int` and after that tryed to boot instance, but
same result - fails, with same error message on compute node.
Additionaly ovs_neutron_plugin.ini <http://paste.openstack.org/show/55037/>
On 2013.12.16. 4:36, Amir Sadoughi wrote:
> Hi Mārtiņš,
>
> It’s definitely possible to have OpenStack Nova and Neutron work on
> XenServer using Open vSwitch. I have it running with ML2 plugin right
> now. Can you share your nova.conf and neutron.conf? Preferably at
> paste.openstack.org <http://paste.openstack.org> instead of in an e-mail.
>
> Also, from your first e-mail message it looks like you are missing an
> integration bridge (where all the instance VIFs plug into) in
> XenServer. Do you have an integration bridge? If so, you need to
> configure it in neutron. If not, try running `ovs-vsctl add-br br-int`
> in XenServer, try booting an instance again, and let me know what
> error message you get.
>
> Amir
>
> On Dec 15, 2013, at 9:31 AM, Mārtiņš Jakubovičs <martins at hostnet.lv
> <mailto:martins at hostnet.lv>> wrote:
>
>> With OpenStack + XenServer is much more questions than should be. For
>> example, what then is this -
>> http://openvswitch.org/openstack/documentation/
>>
>> Or Nicira NVP, where I can download it? Looks like it is now a part
>> of VMware.
>>
>> On 2013.12.15. 15:04, 郭龙仓 wrote:
>>> Yes , you must use Nicira NVP with XenServer
>>>
>>>
>>> 2013/12/15 Mārtiņš Jakubovičs <martins at hostnet.lv
>>> <mailto:martins at hostnet.lv>>
>>>
>>> Hello,
>>>
>>> Is this right tutorial
>>> <http://docs.openstack.org/havana/install-guide/install/apt/content/neutron-install-network-node.html>
>>> to install neutron in OpenStack with XenServer? In this section
>>> <http://docs.openstack.org/admin-guide-cloud/content/ch_networking.html#section_networking-intro>
>>> say's that OVS isn't supported in XenServer with neutron, is it
>>> right? So I must uninstall OVS and use this Nicira NVP?
>>>
>>>
>>> On 2013.12.13. 10:54, Mārtiņš Jakubovičs wrote:
>>>> Hello all,
>>>>
>>>> I have problem with setting up neutron. I have latest havana
>>>> realase and XenServer 6.2 as hypervisor.
>>>> I did all step-by-step from this tutorial
>>>> http://docs.openstack.org/havana/install-guide/install/apt/content/neutron-install-network-node.html
>>>> All is going well, I can create network's, create router,
>>>> create subnets, assign all that stuff... But when I start to
>>>> create VM with selected network (demo-net or ext-net as
>>>> describet in documentation), VM fail to build and erase from
>>>> XenServer.
>>>> Error message - Exception: Found no network for bridge br-int
>>>>
>>>> I looked in a lot of documentation, but can't find what I did
>>>> wrong.
>>>>
>>>> Thanks.
>>>>
>>>> Full error message:
>>>>
>>>> 2013-12-13 10:49:01.677 27965 INFO nova.virt.xenapi.vm_utils
>>>> [req-b9f302a8-8bb4-4336-92a2-eb9c8b96584e
>>>> a7712da5cc054f819886dbe5a89429d5
>>>> 76619aca43f841e0bed1a3b89ce8b426] VBD
>>>> OpaqueRef:9719605d-c322-d591-cede-01dd8940706f detach rejected,
>>>> attempt 1/11
>>>> 2013-12-13 10:49:03.174 27965 ERROR nova.utils
>>>> [req-b9f302a8-8bb4-4336-92a2-eb9c8b96584e
>>>> a7712da5cc054f819886dbe5a89429d5
>>>> 76619aca43f841e0bed1a3b89ce8b426] [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] Failed to spawn, rolling
>>>> back
>>>> 2013-12-13 10:49:03.174 27965 TRACE nova.utils [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] Traceback (most recent
>>>> call last):
>>>> 2013-12-13 10:49:03.174 27965 TRACE nova.utils [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vmops.py",
>>>> line 491, in _spawn
>>>> 2013-12-13 10:49:03.174 27965 TRACE nova.utils [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6]
>>>> setup_network_step(undo_mgr, vm_ref)
>>>> 2013-12-13 10:49:03.174 27965 TRACE nova.utils [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vmops.py",
>>>> line 153, in inner
>>>> 2013-12-13 10:49:03.174 27965 TRACE nova.utils [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] rv = f(*args, **kwargs)
>>>> 2013-12-13 10:49:03.174 27965 TRACE nova.utils [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vmops.py",
>>>> line 453, in setup_network_step
>>>> 2013-12-13 10:49:03.174 27965 TRACE nova.utils [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6]
>>>> self._create_vifs(instance, vm_ref, network_info)
>>>> 2013-12-13 10:49:03.174 27965 TRACE nova.utils [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vmops.py",
>>>> line 1576, in _create_vifs
>>>> 2013-12-13 10:49:03.174 27965 TRACE nova.utils [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] vm_ref=vm_ref,
>>>> device=device)
>>>> 2013-12-13 10:49:03.174 27965 TRACE nova.utils [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vif.py",
>>>> line 55, in plug
>>>> 2013-12-13 10:49:03.174 27965 TRACE nova.utils [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] self._session,
>>>> vif['network']['bridge'])
>>>> 2013-12-13 10:49:03.174 27965 TRACE nova.utils [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/network_utils.py",
>>>> line 51, in find_network_with_bridge
>>>> 2013-12-13 10:49:03.174 27965 TRACE nova.utils [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] raise Exception(_('Found
>>>> no network for bridge %s') % bridge)
>>>> 2013-12-13 10:49:03.174 27965 TRACE nova.utils [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] Exception: Found no
>>>> network for bridge br-int
>>>> 2013-12-13 10:49:03.174 27965 TRACE nova.utils [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6]
>>>> 2013-12-13 10:49:03.186 27965 WARNING nova.virt.xenapi.vm_utils
>>>> [req-b9f302a8-8bb4-4336-92a2-eb9c8b96584e
>>>> a7712da5cc054f819886dbe5a89429d5
>>>> 76619aca43f841e0bed1a3b89ce8b426] [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] VM already halted,
>>>> skipping shutdown...
>>>> 2013-12-13 10:49:03.472 27965 ERROR nova.virt.xenapi.vm_utils
>>>> [req-b9f302a8-8bb4-4336-92a2-eb9c8b96584e
>>>> a7712da5cc054f819886dbe5a89429d5
>>>> 76619aca43f841e0bed1a3b89ce8b426] ['HANDLE_INVALID', 'VDI',
>>>> 'OpaqueRef:e9a1bc76-8046-8afd-8997-caed632a80a5']
>>>> 2013-12-13 10:49:03.472 27965 TRACE nova.virt.xenapi.vm_utils
>>>> Traceback (most recent call last):
>>>> 2013-12-13 10:49:03.472 27965 TRACE nova.virt.xenapi.vm_utils
>>>> File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vm_utils.py", line
>>>> 439, in destroy_vdi
>>>> 2013-12-13 10:49:03.472 27965 TRACE nova.virt.xenapi.vm_utils
>>>> session.call_xenapi('VDI.destroy', vdi_ref)
>>>> 2013-12-13 10:49:03.472 27965 TRACE nova.virt.xenapi.vm_utils
>>>> File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/driver.py",
>>>> line 757, in call_xenapi
>>>> 2013-12-13 10:49:03.472 27965 TRACE nova.virt.xenapi.vm_utils
>>>> return session.xenapi_request(method, args)
>>>> 2013-12-13 10:49:03.472 27965 TRACE nova.virt.xenapi.vm_utils
>>>> File "/usr/local/lib/python2.7/dist-packages/XenAPI.py", line
>>>> 133, in xenapi_request
>>>> 2013-12-13 10:49:03.472 27965 TRACE nova.virt.xenapi.vm_utils
>>>> result = _parse_result(getattr(self, methodname)(*full_params))
>>>> 2013-12-13 10:49:03.472 27965 TRACE nova.virt.xenapi.vm_utils
>>>> File "/usr/local/lib/python2.7/dist-packages/XenAPI.py", line
>>>> 203, in _parse_result
>>>> 2013-12-13 10:49:03.472 27965 TRACE nova.virt.xenapi.vm_utils
>>>> raise Failure(result['ErrorDescription'])
>>>> 2013-12-13 10:49:03.472 27965 TRACE nova.virt.xenapi.vm_utils
>>>> Failure: ['HANDLE_INVALID', 'VDI',
>>>> 'OpaqueRef:e9a1bc76-8046-8afd-8997-caed632a80a5']
>>>> 2013-12-13 10:49:03.472 27965 TRACE nova.virt.xenapi.vm_utils
>>>> 2013-12-13 10:49:03.475 27965 ERROR nova.virt.xenapi.vm_utils
>>>> [req-b9f302a8-8bb4-4336-92a2-eb9c8b96584e
>>>> a7712da5cc054f819886dbe5a89429d5
>>>> 76619aca43f841e0bed1a3b89ce8b426] Unable to destroy VDI
>>>> OpaqueRef:e9a1bc76-8046-8afd-8997-caed632a80a5
>>>> 2013-12-13 10:49:03.476 27965 ERROR nova.compute.manager
>>>> [req-b9f302a8-8bb4-4336-92a2-eb9c8b96584e
>>>> a7712da5cc054f819886dbe5a89429d5
>>>> 76619aca43f841e0bed1a3b89ce8b426] [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] Instance failed to spawn
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] Traceback
>>>> (most recent call last):
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/compute/manager.py",
>>>> line 1407, in _spawn
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6]
>>>> block_device_info)
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/driver.py",
>>>> line 216, in spawn
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6]
>>>> admin_password, network_info, block_device_info)
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vmops.py",
>>>> line 359, in spawn
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] network_info,
>>>> block_device_info, name_label, rescue)
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vmops.py",
>>>> line 505, in _spawn
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6]
>>>> undo_mgr.rollback_and_reraise(msg=msg, instance=instance)
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/utils.py", line 979, in
>>>> rollback_and_reraise
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] self._rollback()
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vmops.py",
>>>> line 491, in _spawn
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6]
>>>> setup_network_step(undo_mgr, vm_ref)
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vmops.py",
>>>> line 153, in inner
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] rv = f(*args,
>>>> **kwargs)
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vmops.py",
>>>> line 453, in setup_network_step
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6]
>>>> self._create_vifs(instance, vm_ref, network_info)
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vmops.py",
>>>> line 1576, in _create_vifs
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] vm_ref=vm_ref,
>>>> device=device)
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vif.py",
>>>> line 55, in plug
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] self._session,
>>>> vif['network']['bridge'])
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/network_utils.py",
>>>> line 51, in find_network_with_bridge
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] raise
>>>> Exception(_('Found no network for bridge %s') % bridge)
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] Exception:
>>>> Found no network for bridge br-int
>>>> 2013-12-13 10:49:03.476 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6]
>>>> 2013-12-13 10:49:03.548 27965 AUDIT nova.compute.manager
>>>> [req-b9f302a8-8bb4-4336-92a2-eb9c8b96584e
>>>> a7712da5cc054f819886dbe5a89429d5
>>>> 76619aca43f841e0bed1a3b89ce8b426] [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] Terminating instance
>>>> 2013-12-13 10:49:04.174 27965 INFO nova.virt.xenapi.vmops
>>>> [req-b9f302a8-8bb4-4336-92a2-eb9c8b96584e
>>>> a7712da5cc054f819886dbe5a89429d5
>>>> 76619aca43f841e0bed1a3b89ce8b426] [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] Destroying VM
>>>> 2013-12-13 10:49:04.179 27965 WARNING nova.virt.xenapi.vmops
>>>> [req-b9f302a8-8bb4-4336-92a2-eb9c8b96584e
>>>> a7712da5cc054f819886dbe5a89429d5
>>>> 76619aca43f841e0bed1a3b89ce8b426] [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] VM is not present,
>>>> skipping destroy...
>>>> 2013-12-13 10:49:04.422 27965 ERROR nova.compute.manager
>>>> [req-b9f302a8-8bb4-4336-92a2-eb9c8b96584e
>>>> a7712da5cc054f819886dbe5a89429d5
>>>> 76619aca43f841e0bed1a3b89ce8b426] [instance:
>>>> 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] Error: Found no network
>>>> for bridge br-int
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] Traceback
>>>> (most recent call last):
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/compute/manager.py",
>>>> line 1037, in _build_instance
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6]
>>>> set_access_ip=set_access_ip)
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/compute/manager.py",
>>>> line 1410, in _spawn
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6]
>>>> LOG.exception(_('Instance failed to spawn'), instance=instance)
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/compute/manager.py",
>>>> line 1407, in _spawn
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6]
>>>> block_device_info)
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/driver.py",
>>>> line 216, in spawn
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6]
>>>> admin_password, network_info, block_device_info)
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vmops.py",
>>>> line 359, in spawn
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] network_info,
>>>> block_device_info, name_label, rescue)
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vmops.py",
>>>> line 505, in _spawn
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6]
>>>> undo_mgr.rollback_and_reraise(msg=msg, instance=instance)
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/utils.py", line 979, in
>>>> rollback_and_reraise
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] self._rollback()
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vmops.py",
>>>> line 491, in _spawn
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6]
>>>> setup_network_step(undo_mgr, vm_ref)
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vmops.py",
>>>> line 153, in inner
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] rv = f(*args,
>>>> **kwargs)
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vmops.py",
>>>> line 453, in setup_network_step
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6]
>>>> self._create_vifs(instance, vm_ref, network_info)
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vmops.py",
>>>> line 1576, in _create_vifs
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] vm_ref=vm_ref,
>>>> device=device)
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vif.py",
>>>> line 55, in plug
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] self._session,
>>>> vif['network']['bridge'])
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] File
>>>> "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/network_utils.py",
>>>> line 51, in find_network_with_bridge
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] raise
>>>> Exception(_('Found no network for bridge %s') % bridge)
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6] Exception:
>>>> Found no network for bridge br-int
>>>> 2013-12-13 10:49:04.422 27965 TRACE nova.compute.manager
>>>> [instance: 5a8dff7e-e8e0-4885-8df5-27ba8bb6a0e6]
>>>>
>>>> _______________________________________________
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>>>>
>>>
>>>
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