[netconf-timer-10] WARN org.opendaylight.netconf.client.mdsal.spi.KeepaliveSalFacade - RemoteDeviceId[name=test, address=localhost/127.0.0.1:22]: Keepalive RPC failed with error: [RpcError [message=The netconf session to test-device is disconnected, severity=ERROR, errorType=TRANSPORT, tag=operation-failed, applicationTag=null, info=null, cause=null]]