I am trying to create a split-horizon PPTP setup as [described on my website](http://www.janoszen.com/2012/08/07/in-search-of-the-perfect-vpn-solution/) within an LXC container. However, I need a **dummy interface within the container** to put the DHCP server on.

Here comes the problem: within the container I can't run `modprobe dummy` to create my dummy interface. (Technically I can if I have the kernel modules installed, but it won't do anything.)

The container itself is a host to more containers, so I'm using the apparmor profile from [Stéphane Graber](https://www.stgraber.org/2012/05/04/lxc-in-ubuntu-12-04-lts/). The operating system on both the host and the guest is a stock Ubuntu 12.04 with all upgrades applied to date.

Questions:

* Is there a way to configure the dummy module in any other way besides modprobe?
* Is it possible to use the dummy module in an LXC guest?