[Openstack] Problem with neutron
Amir Sadoughi
amir.sadoughi at RACKSPACE.COM
Mon Dec 16 19:33:44 UTC 2013
Glad to hear it’s working better. To be honest, I haven’t gotten further than this. For my test environment, I end up using VNC to statically set the neutron ports' fixed ip inside the instance.
From what I’ve read, I think at this point you have to setup the metadata agent to run listening on 169.254.169.254 or you can try something called config drive, but I haven’t bothered getting either working yet.
Hopefully someone else can chime in and help us out both!
Amir
On Dec 16, 2013, at 1:23 PM, Mārtiņš Jakubovičs <martins at hostnet.lv<mailto:martins at hostnet.lv>> wrote:
Thanks you!
At least something is going forward! :) That works, no more error and instance boot's.
I created network in XenServer by command:
xe network-create name-label=br-int
With:
xe network-list name-label=br-int params=bridge
I get bridge name - xapi1
After that in XenServer:
ovs-vsctl add-br xapi1
Got error: ovs-vsctl: cannot create a bridge named xapi1 because a bridge named xapi1 already exists
In nova-compute I changed integration_bridge to xapi1 in ovs_neutron_plugin.ini file. Than in nova-compute i run:
ovs-vsctl del-br br-int
ovs-vsctl add-br xapi1
Now running instances get br-int network attached, but lookls like dhcp is not working. Instance can't assign IP. Neutron and nova logs without errors. Maybe is some ideas why dhcp is not working? Maybe some there is some "painful spots" with dhcp? Or I missed something with configuration from above?
On 2013.12.16. 18:10, Amir Sadoughi wrote:
My apologies, it looks like I scanned your original error message too quickly.
“Found no network for bridge br-int” means you need to run `xe network-create …`. AFAICT, xe network-create does not let you specify the bridge name. So, from the result of xe network-create, you need to invoke `ovs-vsctl add-br …` with the bridge name it specifies and reconfigure Nova/Neutron/OVS plugin to use that bridge as the integration bridge.
Hopefully that advice will get you further.
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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