kubernetes 실습중 vagrant up 명령어 실행시 아래와 같이 에러가 발생하였습니다. $ vagrant upBringing machine 'default' up with 'virtualbox' provider...==> default: Preparing master VM for linked clones... default: This is a one time operation. Once the master VM is prepared, default: it will be used as a base for linked clones, making the creation default: of new VMs take milliseconds on a modern system.==> def..