def _parse_peer_link(self, config):
        match = re.search(r'peer-link (\S+)', config)
        value = match.group(1) if match else None
        return dict(peer_link=value)
Scans the config block and parses the peer-link value
dataset/ETHPy150Open arista-eosplus/pyeapi/pyeapi/api/mlag.py/Mlag._parse_peer_link