Incompatible with aws provider & likely any parallel provider

[jhoblitt]

I don't know if it's even possible to fix this with the current plugin API; what I believe is needed is for the the config plug to run only once before additional plugins/provisioners run for each box.

$ vagrant up el6 el7 --provider=aws
==> el6: The machine is backed by a cloud provider (aws), caching
==> el6: will be disabled.
==> el7: The machine is backed by a cloud provider (aws), caching
==> el7: will be disabled.
Bringing machine 'el6' up with 'aws' provider...
Bringing machine 'el7' up with 'aws' provider...
==> el7: Installing Puppet modules in "." with Librarian-Puppet...
==> el6: Installing Puppet modules in "." with Librarian-Puppet...
==> el6: An error occurred. The error will be shown after all tasks complete.