FYI, Fábio Rehm is also the author of the great LXC provider for Vagrant[1], which I sucessfully use for fun and profit almost every working day.

PS: I you like Fábio's work, consider tipping him[2] (I already did, with bitcoins! :)

[1]: https://github.com/fgrehm/vagrant-lxc

[2]: https://gratipay.com/fgrehm/