code: function parse_status(callback) {
    return function(error, stdout, stderr) {
      if (error) callback(error);
      else callback(error,
        stdout.trim().split('\n\n').map(parse_status_block));
    };
  }
docs: Parses the status for all network interfaces.
  
  @private
  @static
  @category ifconfig
  @param {function} callback The callback function.