When run `docker rename <container-id> new_name` concurrently, every operation will release
container's old name. So container will have multi new names reserve in nameIndex.
Signed-off-by: Yang Pengfei <yangpengfei4@huawei.com>
Upstream-commit: cc2340689c431504689d01c9516b3a340b2e8dbc
Component: engine