Instance migration fails with missing features: ibpb

Issue

• nova host-evacuate-live compute-022--target compute-d-004.localdomain

2020-06-25 09:08:21.262 8 WARNING nova.compute.manager [req-3a8c86ae-d756-4d49-8397-71e753802b5d a77bea6c69de4e47bebadfcd241b1113 6a970ddb92fb4f2ba157d6c49828ab11 - default default] [instance: d933ce43-7c90-4953-979e-80e75fbfe058] Received unexpected event network-vif-plugged-ab14536a-e5e0-4a07-bcf6-5ecf01f82cd1 for instance with vm_state active and task_state migrating.                                                                                                        
2020-06-25 09:08:21.798 8 INFO nova.virt.libvirt.migration [req-8236f0a2-94fe-4cbc-b07d-1a720d888151 efa2bf786215464e94f7dc5ceb077252 fe0579143bba47ae8501b5c6c7e80804 - default default] [instance: d933ce43-7c90-4953-979e-80e75fbfe058] Increasing downtime to 50 ms after 0 sec elapsed time                              
2020-06-25 09:08:21.913 8 INFO nova.virt.libvirt.driver [req-8236f0a2-94fe-4cbc-b07d-1a720d888151 efa2bf786215464e94f7dc5ceb077252 fe0579143bba47ae8501b5c6c7e80804 - default default] [instance: d933ce43-7c90-4953-979e-80e75fbfe058] Migration running for 0 secs, memory 100% remaining; (bytes processed=0, remaining=0,total=0)
2020-06-25 09:08:22.594 8 ERROR nova.virt.libvirt.driver [req-8236f0a2-94fe-4cbc-b07d-1a720d888151 efa2bf786215464e94f7dc5ceb077252 fe0579143bba47ae8501b5c6c7e
80804 - default default] [instance: d933ce43-7c90-4953-979e-80e75fbfe058] Live Migration failure: operation failed: guest CPU doesn't match specification: missing features: ibpb: libvirtError: operation failed: guest CPU doesn't match specification: missing features: ibpb                                              
2020-06-25 09:08:22.916 8 ERROR nova.virt.libvirt.driver [req-8236f0a2-94fe-4cbc-b07d-1a720d888151 efa2bf786215464e94f7dc5ceb077252 fe0579143bba47ae8501b5c6c7e80804 - default default] [instance: d933ce43-7c90-4953-979e-80e75fbfe058] Migration operation has aborted                                                      
2020-06-25 09:08:22.934 8 INFO nova.compute.manager [req-8236f0a2-94fe-4cbc-b07d-1a720d888151 efa2bf786215464e94f7dc5ceb077252 fe0579143bba47ae8501b5c6c7e80804 - default default] [instance: d933ce43-7c90-4953-979e-80e75fbfe058] Swapping old allocation on 37da9d35-5557-4338-b038-d9ae4719ed9d held by migration 015b1174
-63cc-44df-99a6-4d3696275196 for instance                                                                                                                      
2020-06-25 09:08:23.182 8 WARNING nova.compute.manager [req-bb555913-6ade-4add-b2ee-28b229d1b971 a77bea6c69de4e47bebadfcd241b1113 6a970ddb92fb4f2ba157d6c49828a
b11 - default default] [instance: d933ce43-7c90-4953-979e-80e75fbfe058] Received unexpected event network-vif-plugged-ab14536a-e5e0-4a07-bcf6-5ecf01f82cd1 for instance with vm_state active and task_state None.                                                                                                             
2020-06-25 09:08:24.310 8 WARNING nova.compute.manager [req-3d77a2ca-318a-4a08-ba33-db12a4b916b6 a77bea6c69de4e47bebadfcd241b1113 6a970ddb92fb4f2ba157d6c49828ab11 - default default] [instance: d933ce43-7c90-4953-979e-80e75fbfe058] Received unexpected event network-vif-unplugged-ab14536a-e5e0-4a07-bcf6-5ecf01f82cd1 fo
r instance with vm_state active and task_state None.                                                                                                           
2020-06-25 09:08:26.320 8 WARNING nova.compute.manager [req-c1ee5918-3329-4cf5-9d59-e2139c07cfec a77bea6c69de4e47bebadfcd241b1113 6a970ddb92fb4f2ba157d6c49828a
b11 - default default] [instance: d933ce43-7c90-4953-979e-80e75fbfe058] Received unexpected event network-vif-plugged-ab14536a-e5e0-4a07-bcf6-5ecf01f82cd1 for instance with vm_state active and task_state None.                                                                                                             
2020-06-25 09:08:28.251 8 WARNING nova.compute.manager [req-73d04aee-4a93-4d11-842f-a30951d0a2d3 a77bea6c69de4e47bebadfcd241b1113 6a970ddb92fb4f2ba157d6c49828ab11 - default default] [instance: d933ce43-7c90-4953-979e-80e75fbfe058] Received unexpected event network-vif-unplugged-ab14536a-e5e0-4a07-bcf6-5ecf01f82cd1 fo
r instance with vm_state active and task_state None.                                                                                                           
2020-06-25 09:08:31.772 8 WARNING nova.compute.manager [req-e506410e-9d8b-4294-ac9d-15009be6784c a77bea6c69de4e47bebadfcd241b1113 6a970ddb92fb4f2ba157d6c49828a
b11 - default default] [instance: d933ce43-7c90-4953-979e-80e75fbfe058] Received unexpected event network-vif-plugged-ab14536a-e5e0-4a07-bcf6-5ecf01f82cd1 for instance with vm_state active and task_state None.                                                                                                             
[compute-d-022] [09:27:06 AM]                                                                                               
[root@compute-d-022 ~]#