[   33.040319][  T514] pktgen: Packet Generator for packet performance testing. Version: 2.75
[   33.464070][  T515] pktgen: interface: lo@0 is already stopped
[   35.248914][  T530] pktgen: wrong command format
[   52.133891][  T473] sh (473) used greatest stack depth: 24248 bytes left