It's introduced in 68ba5f0b69c9f38 (Execdriver implementation on new libcontainer API) But I don't see reson why we need it. Signed-off-by: Qiang Huang <h.huangqiang@huawei.com> Upstream-commit: af3059855c0b59c08b115a70d3f61b0fab3270de Component: engine