'delete peer link info'

def delete_peer_link(self):

    eth_trunk_id = 'Eth-Trunk'
    eth_trunk_id += self.eth_trunk_id
    conf_str = (CE_NC_DELETE_PEER_LINK_INFO % (self.peer_link_id, eth_trunk_id))
    recv_xml = set_nc_config(self.module, conf_str)
    if ('<ok/>' not in recv_xml):
        self.module.fail_json(msg='Error:    Delete    peer    link    failed.')
    self.updates_cmd.append(('undo    peer-link    %s' % self.peer_link_id))
    self.changed = True
