[ 1744.739765] pktgen: Packet Generator for packet performance testing. Version: 2.75
[ 1744.944551] pktgen: interface: lo@0 is already stopped
[ 1745.832994] pktgen: wrong command format
[ 1748.376554] page_pool_release_retry() stalled pool shutdown: id 18, 6 inflight 60 sec