当我运行 vagrant up 以在 Lion 上配置一个新的 VM 时，它需要非常长的时间，在此期间整个 Mac 非常缓慢且无响应。
输出如下，重点是“注意：在754.28秒内完成目录运行”
> vagrant up
[default] Importing base box 'lucid64'...
[default] The guest additions on this VM do not match the install version of
VirtualBox! This may cause things such as forwarded ports, shared
folders, and more to not work properly. If any of those things fail on
this machine, please update the guest additions and repackage the
box.
Guest Additions Version: 4.1.0
VirtualBox Version: 4.1.6
[default] Matching MAC address for …