On Fri, Feb 7, 2014 at 8:38 PM, Peter Grehan <gre...@freebsd.org> wrote:

>  If you create a sparse file for the bhyve raw disk (e.g. with truncate
> -s), du will show the actual blocks used rather than the total size.

But can I truncate an already existing image disk (downloaded nanobsd image
as example) ?

>   There is an em(4) emulation slowly being worked on. It should also be
> possible to add altq functionality to FreeBSD's virtio net driver.

Adding altq(4) to vtnet(4) should be a better idea.

>  For internal-only networks, there will most likely be a user-space
> ethernet switch (ala VDE) that bhyve network interfaces can be pointed at.

Great: Why not the high-perf netmap VALE switch ?
Because with a dummy TCP iperf bench between bhyve guests report only 254

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