Since FreeBSD guest cannot set-feature nowAfter apply this patch, under linux guest, test is done with Linux guest.file command
file `nvme set-feature -f 4 -v 0x157 -s /dev/nvme0`
should return a it return an error message of
`NVMe status: FEATURE_NOT_SAVEABLE: The Feature Identifier specified does not support a saveable value(0x10d)`