Vagrant halt できない

vagrant haltができない

エラー

vagrant haltするとできない。
コマンドが失敗したみたいだけど何が悪いのかよくわからない。
vagrant suspendはできた。そのあとにvagrant haltするとpower offになる。

PS C:\Users\Yudai\MyVagrant\MyCentOS> vagrant halt
==> default: Attempting graceful shutdown of VM...
The following SSH command responded with a non-zero exit status.
Vagrant assumes that this means the command failed!

shutdown -h now

Stdout from the command:



Stderr from the command:

vagrant halt 後、vagrant upで起動はするけどエラーになる。

PS C:\Users\Yudai\MyVagrant\MyCentOS> vagrant up
Bringing machine 'default' up with 'virtualbox' provider...
==> default: Checking if box 'bento/centos-6.8' version '2.3.4' is up to date...
==> default: Clearing any previously set forwarded ports...
==> default: Clearing any previously set network interfaces...
==> default: Preparing network interfaces based on configuration...
    default: Adapter 1: nat
    default: Adapter 2: hostonly
==> default: Forwarding ports...
    default: 22 (guest) => 2222 (host) (adapter 1)
==> default: Running 'pre-boot' VM customizations...
==> default: Booting VM...
==> default: Waiting for machine to boot. This may take a few minutes...
    default: SSH address: 127.0.0.1:2222
    default: SSH username: vagrant
    default: SSH auth method: private key
    default: Warning: Connection reset. Retrying...
    default: Warning: Connection aborted. Retrying...
    default: Warning: Connection aborted. Retrying...
    default: Warning: Connection reset. Retrying...
    default: Warning: Remote connection disconnect. Retrying...
    default: Warning: Connection aborted. Retrying...
    default: Warning: Connection reset. Retrying...
    default: Warning: Connection aborted. Retrying...
    default: Warning: Connection reset. Retrying...
    default: Warning: Connection aborted. Retrying...
    default: Warning: Connection reset. Retrying...
    default: Warning: Connection aborted. Retrying...
    default: Warning: Connection reset. Retrying...
    default: Warning: Connection aborted. Retrying...
    default: Warning: Remote connection disconnect. Retrying...
==> default: Machine booted and ready!
[default] GuestAdditions seems to be installed (6.0.4) correctly, but not running.
==> default: Checking for guest additions in VM...
The following SSH command responded with a non-zero exit status.
Vagrant assumes that this means the command failed!

 setup

Stdout from the command:



Stderr from the command:

なお、ssh接続はできる。

このエラーより、GuestAdditionsが入っているけど起動しないようだ。

[default] GuestAdditions seems to be installed (6.0.4) correctly, but not running.

こちらを参考にしてkarnelをアップデート。時間かかります。
[vagrant up時にGuestAdditionsがnot runningになる場合、ゲストマシンのkernelをupdateすることで解決できる可能性がある]
(https://qiita.com/k-shimoji/items/eb3efeff2356a7318cf9)

$ sudo yum update

実行前と変わらず。

どうしたらいいんだ。