I am using opennebula 5.6.0. Any VMs with cpu=host-passthrough can not migrate between hosts with exact same CPU.
Here is the error log:
Thu May 16 16:02:45 2019 [Z0][VMM][E]: restore: Command “virsh --connect qemu:///system restore /var/lib/one//datastores/0/652/checkpoint --xml /var/lib/one//datastores/0/652/checkpoint.xml” failed: error: Failed to restore domain from /var/lib/one//datastores/0/652/checkpoint
Thu May 16 16:02:45 2019 [Z0][VMM][I]: error: unsupported configuration: Target CPU model [null] does not match source Broadwell-IBRS
Thu May 16 16:02:45 2019 [Z0][VMM][E]: Could not restore from /var/lib/one//datastores/0/652/checkpoint