Install FreeBSD from source into VM image

[Peter Grehan]

>>       Error return from kevent monitor: Not permitted in capability mode
...
> This sounds like an issue with the bhyve capsicum work.  I've cc'd Allan
> and Peter who might be able to help track that down.  It might be useful
> if you can run bhyve under ktrace, e.g.:
> 
>    sudo ktrace -i -t p sh /usr/share/examples/bhyve/vmrun.sh -d aaaa.raw vm-aaaa
> 
> And then post the output of 'sudo kdump'

  I think this is the error now returned when a file doesn't exist or 
can't be accessed - the code probably needs to be reworked to test for 
existence before entering capability mode to make the error more meaningful.

later,

Peter.