Ubuntuをvagrant upで起動中に止まってしまうので、正常に起動させたい

Question

前提・実現したいこと

ubuntuがvagrant upで途中で止まってしまうので、正常に起動させたい

vagrant up 実行
default: SSH auth method: password
で止まってしまい、タイムアウトしてしまう。

Mac-mini:ubuntu ike$ vagrant up
Bringing machine 'default' up with 'virtualbox' provider...
==> 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: ubuntu
    default: SSH auth method: password