// cgroupPath is the path in the cgroup hierarchy.
func getCgroupV1Path(cgroupPath string) (string, error) {
	cgroupPath = libcontainerutils.CleanPath(cgroupPath)

	mnt, root, err := libcontainercgroups.FindCgroupMountpointAndRoot(cgroupPath, "devices")
	// If we didn't mount the subsystem, there is no point we make the path.
	if err != nil {
		return "", err
	}