docs: def nl_cb_err(cb, kind, func, arg):
      """Set up an error callback. Updates `cb` in place.
  
      https://github.com/thom311/libnl/blob/libnl3_2_25/lib/handlers.c#L343
  
      Positional arguments:
      cb -- nl_cb class instance.
      kind -- kind of callback (integer).
      func -- callback function.
      arg -- argument to be passed to callback function.
  
      Returns:
      0 on success or a negative error code.
      """
      if kind < 0 or kind > NL_CB_KIND_MAX:
          return -NLE_RANGE
  
      if kind == NL_CB_CUSTOM:
          cb.cb_err = func
          cb.cb_err_arg = arg
      else:
          cb.cb_err = cb_err_def[kind]
          cb.cb_err_arg = arg
  
      return 0