Bug#946837: vagrant: Does not work with virtualbox 6.1 from unstable

A fix has been committed upstream: https://github.com/hashicorp/vagrant/commit/20ccf46

Bug#946837: vagrant: Does not work with virtualbox 6.1 from unstable

Package: vagrant Version: 2.2.6+dfsg-1 Severity: serious Hi! The package does not work anymore since virtualbox 6.1 got upload to unstable. To get this working this just requires a couple of changes, which can be easily applied as a local patch. Something like what is described at