OS X Mavericks にアップデートしたところ、Vagrant が起動しなくなった。 % vagrant up (途中略) [default] Clearing any previously set network interfaces... There was an error executing the following command with VBoxManage: ["hostonlyif", "create"] For more information on the failure, enable detailed logging by setting the environment variable VAGRANT_LOG to DEBUG. » Fixing Vagrant after an OSX Mavericks update を参考に % sudo /Li