症状 [syamamura@s11-chef vagrant_vm]$ vagrant up [default] Importing base box 'base'... [default] Matching MAC address for NAT networking... [default] Clearing any previously set forwarded ports... [default] Forwarding ports... [default] -- 22 => 2222 (adapter 1) [default] Creating shared folders metadata... [default] Clearing any previously set network interfaces... [default] Preparing network interfaces based on configuration... [default] Booting VM... [default] Waiting for VM to boot. This can take a few minutes. [default] VM booted and ready for use! [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: 4.2.8 VirtualBox Version: 4.2.10 対処 Guest Additions と VirtualBox のバージョンを合わせる。 $ vagrant ssh