creating vimage with jail(8)?

[Nikos Vassiliadis]

Nikos Vassiliadis wrote:
>  Is it possible to create a vimage with the jail(8) command?
> Or one have still to use the tools/tools/vimage command?

Sorry for the noise, I've just saw a two weeks old post from Jamie 
Gritton, mentioning that the vnet parameter should be used:

> This patch deals with jailed subsystems that may or may not be
> virtualized.  At first, there was a boolean to describe this
> situation: for example in the VIMAGE kernels, the setting "vnet"
> parameter would create a jail with a virtual network stack.