[  631.349383] pktgen: Packet Generator for packet performance testing. Version: 2.75
[  631.350707] pktgen: device is down: "lo@0"
[  631.377723] pktgen: device is down: "lo@0"
[  631.397039] pktgen: device is down: "lo@0"
[  631.420452] pktgen: device is down: "lo@0"
[  631.445775] pktgen: device is down: "lo@0"
[  631.478251] pktgen: device is down: "lo@0"
[  631.504537] pktgen: device is down: "lo@0"
[  631.538417] pktgen: device is down: "lo@0"
[  631.571547] pktgen: device is down: "lo@0"
[  631.604935] pktgen: device is down: "lo@0"
[  631.637601] pktgen: device is down: "lo@0"
[  631.669676] pktgen: device is down: "lo@0"
[  631.692862] pktgen: device is down: "lo@0"
[  631.718071] pktgen: device is down: "lo@0"
[  631.750719] pktgen: device is down: "lo@0"
[  631.784490] pktgen: device is down: "lo@0"
[  631.808959] pktgen: device is down: "lo@0"
[  631.833193] pktgen: device is down: "lo@0"
[  631.866840] pktgen: device is down: "lo@0"
[  631.899752] pktgen: device is down: "lo@0"
[  631.932504] pktgen: device is down: "lo@0"
[  631.963652] pktgen: device is down: "lo@0"
[  631.995610] pktgen: device is down: "lo@0"
[  632.027923] pktgen: device is down: "lo@0"
[  632.059879] pktgen: device is down: "lo@0"
[  632.087145] pktgen: device is down: "lo@0"
[  632.112768] pktgen: device is down: "lo@0"
[  632.145633] pktgen: device is down: "lo@0"
[  632.178054] pktgen: device is down: "lo@0"
[  632.203408] pktgen: device is down: "lo@0"
[  632.235817] pktgen: device is down: "lo@0"
[  632.268504] pktgen: device is down: "lo@0"
[  632.296988] pktgen: device is down: "lo@0"
[  632.319948] pktgen: device is down: "lo@0"
[  632.343364] pktgen: device is down: "lo@0"
[  632.369552] pktgen: device is down: "lo@0"
[  632.393224] pktgen: device is down: "lo@0"
[  632.426403] pktgen: device is down: "lo@0"
[  632.460382] pktgen: device is down: "lo@0"
[  632.484978] pktgen: device is down: "lo@0"
[  632.517198] pktgen: device is down: "lo@0"
[  632.550375] pktgen: device is down: "lo@0"
[  632.584371] pktgen: device is down: "lo@0"
[  632.618334] pktgen: device is down: "lo@0"
[  632.651053] pktgen: device is down: "lo@0"
[  632.683508] pktgen: device is down: "lo@0"
[  632.706236] pktgen: device is down: "lo@0"
[  632.730035] pktgen: device is down: "lo@0"
[  632.763075] pktgen: device is down: "lo@0"