Change Details

`make buildworld && make buildkernel` I built UFS raw vm image and ran on bhyve.

`make buildworld && make buildkernel` I tested by building UFS raw vm image and running it on bhyve. regression tests might be needed.

`make buildworld && make buildkernel` II tested by builtding UFS raw vm image and ranrunning it on bhyvee. regression tests might be needed.