Currently, in MTV 2.7.5, testing AIO buffer functionality with warm migration fails.
It appears that warm migration using CNV-CDI lacks the required configuration to enable this feature.
This limitation prevents proper support for AIO buffer during warm migration scenarios.

the error from the migration pod on "cut over" 

/usr/libexec/virt-v2v-in-place: unrecognized option '--vddk-config'
Try ‘virt-v2v-in-place --help’ or consult virt-v2v-in-place(1) for more information.
Failed to execute virt-v2v command: exit status 1