vagrant package breaks on undefined method

I have been using vagrant to develop chef cookbooks. Vagrant is a tool for managing virtualized development environments. When vagrant was initially launched supported VirtualBox only. As vagrant matured more providers were added like VMWare, AWS, Docker etc. I prefer using vagrant with its default provider, VirtualBox. I use vagrant 1.6.3 with ruby 1.9.3p547 on my Ubuntu 12.04 Lenovo U410 ultrabook.

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