Bringing machine 'default' up with 'virtualbox' provider...
==> default: Importing base box 'wheezy64'...
There was an error while executing `VBoxManage`, a CLI used by Vagrant
for controlling VirtualBox. The command and stderr is shown below.

Command: ["import", "/root/.vagrant.d/boxes/wheezy64/0/virtualbox/box.ovf"]

Stderr: 0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%
Interpreting /root/.vagrant.d/boxes/wheezy64/0/virtualbox/box.ovf...
OK.
0%...
Progress state: NS_ERROR_FAILURE
VBoxManage: error: <vbox:Machine> element in OVF contains a medium attachment for the disk image 52ecd468-ba02-4ab9-8cb2-27feae548ad7 but the OVF describes no such image
VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component Appliance, interface IAppliance, callee
Context: "ImportAppliance" at line 793 of file VBoxManageAppliance.cpp