Add singed off, Signed-off-by: Hui-Zhi <zhaohuizhi@gmail.com>
Add singed off, Signed-off-by: Hui-Zhi <85e459f21188002a88aae65fe84415627b03ad46@gmail.com>

Signed-off-by: Hui-Zhi <85e459f21188002a88aae65fe84415627b03ad46@gmail.com>

docker/engine-api,thaJeztah/engine-api,vdemeester/engine-api,jwhonce/engine-api