In FreeBSD r271350, the name of /dev/nmdm names were
relaxed.  Now we can encode the name of the VM in the /dev/nmdm device
entry.
Rename vm3.conf to scanci.conf
Remove CONS_A/CONS_B entries, since we can now encode the
name of the VM in the /dev/nmdm entry.
Rename
Remove CONS_A/CONS_B entries.
Try to use a VM name closer to the name of the VM.