Logs from the 'destination' server's nova-compute process:

Jan 13 13:35:09 sjc-lnxserver-126 nova-compute[48110]: 2024-01-13 13:35:09.517 48110 ERROR nova.virt.libvirt.driver [None req-7edbc759-2798-430b-a9fc-a76e87a25f67 a15b6525790645ecb5c746903316e42c 87a83841a4e24c68999ca1b87dc05593 - - default default] CPU doesn't have compatibility.
                                                       
                                                       0
                                                       
                                                       Refer to http://libvirt.org/html/libvirt-libvirt-host.html#virCPUCompareResult
Jan 13 13:35:09 sjc-lnxserver-126 nova-compute[48110]: 2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server [None req-7edbc759-2798-430b-a9fc-a76e87a25f67 a15b6525790645ecb5c746903316e42c 87a83841a4e24c68999ca1b87dc05593 - - default default] Exception during message handling: nova.exception.MigrationPreCheckError: Migration pre-check error: Unacceptable CPU info: CPU doesn't have compatibility.
                                                       
                                                       0
                                                       
                                                       Refer to http://libvirt.org/html/libvirt-libvirt-host.html#virCPUCompareResult
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server Traceback (most recent call last):
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server   File "/openstack/venvs/nova-28.0.0/lib/python3.10/site-packages/nova/virt/libvirt/driver.py", line 9668, in check_can_live_migrate_destination
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server     self._compare_cpu(None, source_cpu_info, instance)
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server   File "/openstack/venvs/nova-28.0.0/lib/python3.10/site-packages/nova/virt/libvirt/driver.py", line 10039, in _compare_cpu
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server     raise exception.InvalidCPUInfo(reason=m % {'ret': ret, 'u': u})
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server nova.exception.InvalidCPUInfo: Unacceptable CPU info: CPU doesn't have compatibility.
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server 
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server 0
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server 
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server Refer to http://libvirt.org/html/libvirt-libvirt-host.html#virCPUCompareResult
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server 
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server During handling of the above exception, another exception occurred:
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server 
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server Traceback (most recent call last):
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server   File "/openstack/venvs/nova-28.0.0/lib/python3.10/site-packages/oslo_messaging/rpc/server.py", line 165, in _process_incoming
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server     res = self.dispatcher.dispatch(message)
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server   File "/openstack/venvs/nova-28.0.0/lib/python3.10/site-packages/oslo_messaging/rpc/dispatcher.py", line 309, in dispatch
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server     return self._do_dispatch(endpoint, method, ctxt, args)
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server   File "/openstack/venvs/nova-28.0.0/lib/python3.10/site-packages/oslo_messaging/rpc/dispatcher.py", line 229, in _do_dispatch
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server     result = func(ctxt, **new_args)
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server   File "/openstack/venvs/nova-28.0.0/lib/python3.10/site-packages/nova/exception_wrapper.py", line 65, in wrapped
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server     with excutils.save_and_reraise_exception():
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server   File "/openstack/venvs/nova-28.0.0/lib/python3.10/site-packages/oslo_utils/excutils.py", line 227, in __exit__
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server     self.force_reraise()
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server   File "/openstack/venvs/nova-28.0.0/lib/python3.10/site-packages/oslo_utils/excutils.py", line 200, in force_reraise
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server     raise self.value
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server   File "/openstack/venvs/nova-28.0.0/lib/python3.10/site-packages/nova/exception_wrapper.py", line 63, in wrapped
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server     return f(self, context, *args, **kw)
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server   File "/openstack/venvs/nova-28.0.0/lib/python3.10/site-packages/nova/compute/utils.py", line 1439, in decorated_function
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server     return function(self, context, *args, **kwargs)
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server   File "/openstack/venvs/nova-28.0.0/lib/python3.10/site-packages/nova/compute/manager.py", line 213, in decorated_function
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server     with excutils.save_and_reraise_exception():
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server   File "/openstack/venvs/nova-28.0.0/lib/python3.10/site-packages/oslo_utils/excutils.py", line 227, in __exit__
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server     self.force_reraise()
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server   File "/openstack/venvs/nova-28.0.0/lib/python3.10/site-packages/oslo_utils/excutils.py", line 200, in force_reraise
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server     raise self.value
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server   File "/openstack/venvs/nova-28.0.0/lib/python3.10/site-packages/nova/compute/manager.py", line 203, in decorated_function
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server     return function(self, context, *args, **kwargs)
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server   File "/openstack/venvs/nova-28.0.0/lib/python3.10/site-packages/nova/compute/manager.py", line 8521, in check_can_live_migrate_destination
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server     dest_check_data = self.driver.check_can_live_migrate_destination(ctxt,
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server   File "/openstack/venvs/nova-28.0.0/lib/python3.10/site-packages/nova/virt/libvirt/driver.py", line 9672, in check_can_live_migrate_destination
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server     raise exception.MigrationPreCheckError(reason=e)
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server nova.exception.MigrationPreCheckError: Migration pre-check error: Unacceptable CPU info: CPU doesn't have compatibility.
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server 
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server 0
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server 
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server Refer to http://libvirt.org/html/libvirt-libvirt-host.html#virCPUCompareResult
                                                       2024-01-13 13:35:09.567 48110 ERROR oslo_messaging.rpc.server