When container's status is running, shell command may have not
executed end. So if we use 'docker exec -u test' to execute
command, it may fail since user 'test' have not be added yet.
Signed-off-by: Fengtu Wang <wangfengtu@huawei.com>
Upstream-commit: c7c6167bcad5133dc94f7173cb40f3d974ef8a36
Component: engine