[ 3906.063671][ T1701] pktgen: Packet Generator for packet performance testing. Version: 2.75
[ 3906.480874][ T1702] pktgen: interface: lo@0 is already stopped
[ 3908.209206][ T1717] pktgen: wrong command format
[ 3924.144907][T27795] page_pool_release_retry() stalled pool shutdown: id 13, 44 inflight 60 sec