The causes of last LIN action are: [portLinkDown] - Slave Ports [oaPortLinSlavePorts] are Down because the Master port [oaPortLinId] became Down now. [portLinkUp] - Slave Ports [oaPortLinSlavePorts] are Up because the Master port [oaPortLinId] became Up now. [agRMepDiscardEvent] - Slave Ports [oaPortLinSlavePorts] are Down because the Master port [oaPortLinId] received 'Remote Mep Discard Event'. [agRMepNoConnEvent] - Slave Ports [oaPortLinSlavePorts] are Down because the Master port [oaPortLinId] received 'No connection to Remote Mep Event'. [agRMepAliveEvent] - Slave Ports [oaPortLinSlavePorts] are Up because the Master port [oaPortLinId] received 'Remote Mep Alive Event'.