code: func createDeviceNode(rootfs string, node *configs.Device, bind bool) error {
  	dest := filepath.Join(rootfs, node.Path)
  	if err := os.MkdirAll(filepath.Dir(dest), 0755); err != nil {
  		return err
  	}
  
  	if bind {
  		f, err := os.Create(dest)
  		if err != nil && !os.IsExist(err) {
  			return err
  		}
  		if f != nil {
  			f.Close()
  		}
  		return syscall.Mount(node.Path, dest, "bind", syscall.MS_BIND, "")
  	}
  	if err := mknodDevice(dest, node); err != nil {
  		if os.IsExist(err) {
  			return nil
  		}
  		return err
  	}
  	return nil
  }
docs: // Creates the device node in the rootfs of the container.