f9dc3337f9
If use docker attach command to attach to a stop container, it will return "You cannot attach to a stopped container" error, it's ok, but when attach to a running container, it(docker attach) use inspect to check the container's state, if it pass the state check on the client side, and then the container is stopped, docker attach command still attach to the container and not exit. Signed-off-by: Shukui Yang <yangshukui@huawei.com>