[ 4449.764590][T32716] pktgen: Packet Generator for packet performance testing. Version: 2.75
[ 4450.184158][T32717] pktgen: interface: lo@0 is already stopped
[ 4451.982865][T32736] pktgen: wrong command format
[ 4467.386840][ T5458] page_pool_release_retry() stalled pool shutdown: id 15, 2 inflight 60 sec