Scans the config block and parses the peer-link value

        Args:
            config (str): The config block to scan

        Returns:
            dict: A dict object that is intended to be merged into the
                resource dict

def _parse_peer_link(self, config):
        """Scans the config block and parses the peer-link value

        Args:
            config (str): The config block to scan

        Returns:
            dict: A dict object that is intended to be merged into the
                resource dict
        """
        match = re.search(r'peer-link (\S+)', config)
        value = match.group(1) if match else None
        return dict(peer_link=value)