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The answer here may helps you  for the same issue
https://ask.openstack.org/en/question/26985/icehouse-virtual-interface-creation-failed/


2014-04-19 21:55 GMT+08:00 trinath.somanchi at freescale.com <
trinath.somanchi at freescale.com>:

>  Hi-
>
>
>
> I got this error when I launched an instance
>
>
>
> 2014-04-19 19:35:19.470 20217 INFO nova.virt.libvirt.driver
> [req-b061faf1-32bc-42d1-a1f4-822fcc9aaca5 3e7ba37aa6cf4472b823c8057a29c217
> 93a7bf9a8cb64c0da27486e722ce07c1] [instance:
> bf2d05ff-1de4-459b-8b18-3fc2a8ed44e6] Deleting instance files
> /var/lib/nova/instances/bf2d05ff-1de4-459b-8b18-3fc2a8ed44e6
>
> 2014-04-19 19:35:19.472 20217 INFO nova.virt.libvirt.driver
> [req-b061faf1-32bc-42d1-a1f4-822fcc9aaca5 3e7ba37aa6cf4472b823c8057a29c217
> 93a7bf9a8cb64c0da27486e722ce07c1] [instance:
> bf2d05ff-1de4-459b-8b18-3fc2a8ed44e6] Deletion of
> /var/lib/nova/instances/bf2d05ff-1de4-459b-8b18-3fc2a8ed44e6 complete
>
> 2014-04-19 19:35:19.623 20217 ERROR nova.compute.manager
> [req-b061faf1-32bc-42d1-a1f4-822fcc9aaca5 3e7ba37aa6cf4472b823c8057a29c217
> 93a7bf9a8cb64c0da27486e722ce07c1] [instance:
> bf2d05ff-1de4-459b-8b18-3fc2a8ed44e6] Instance failed to spawn
>
> 2014-04-19 19:35:19.623 20217 TRACE nova.compute.manager [instance:
> bf2d05ff-1de4-459b-8b18-3fc2a8ed44e6] Traceback (most recent call last):
>
> 2014-04-19 19:35:19.623 20217 TRACE nova.compute.manager [instance:
> bf2d05ff-1de4-459b-8b18-3fc2a8ed44e6]   File
> "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1720, in
> _spawn
>
> 2014-04-19 19:35:19.623 20217 TRACE nova.compute.manager [instance:
> bf2d05ff-1de4-459b-8b18-3fc2a8ed44e6]     block_device_info)
>
> 2014-04-19 19:35:19.623 20217 TRACE nova.compute.manager [instance:
> bf2d05ff-1de4-459b-8b18-3fc2a8ed44e6]   File
> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2253,
> in spawn
>
> 2014-04-19 19:35:19.623 20217 TRACE nova.compute.manager [instance:
> bf2d05ff-1de4-459b-8b18-3fc2a8ed44e6]     block_device_info)
>
> 2014-04-19 19:35:19.623 20217 TRACE nova.compute.manager [instance:
> bf2d05ff-1de4-459b-8b18-3fc2a8ed44e6]   File
> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3663,
> in _create_domain_and_network
>
> 2014-04-19 19:35:19.623 20217 TRACE nova.compute.manager [instance:
> bf2d05ff-1de4-459b-8b18-3fc2a8ed44e6]     raise
> exception.VirtualInterfaceCreateException()
>
> 2014-04-19 19:35:19.623 20217 TRACE nova.compute.manager [instance:
> bf2d05ff-1de4-459b-8b18-3fc2a8ed44e6] VirtualInterfaceCreateException:
> Virtual Interface creation failed
>
> 2014-04-19 19:35:19.623 20217 TRACE nova.compute.manager [instance:
> bf2d05ff-1de4-459b-8b18-3fc2a8ed44e6]
>
>
>
> Kindly help me resolve the issue.
>
>
>
> --
>
> Trinath Somanchi - B39208
>
> trinath.somanchi at freescale.com | extn: 4048
>
>
>
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