mitchellh/vagrant — pull request #3585 by aspiers (2014-04-30 15:08:10+00:00)
Title: backport GH-3277 fix for missing interpolation to older drivers

The original fix for the "missing interpolation argument :stderr" bug
was in d4b3f226, but it only addressed the driver for VirtualBox 4.3:

https://github.com/mitchellh/vagrant/issues/3277

This backports the fix to the drivers for VirtualBox 4.0, 4.1, and 4.2.