multipass shell host1 等待测试https://courses.academy.tigera.io/courses/course-v1:tigera+CCO-L1+CCO-L1-2020/courseware/6b2f1c92019f42af9abd3fa3d51e037d/93d6603ed6ff42c29316f1f7697dae9d/?child=first里用到
