[ 3987.124401][T31689] pktgen: Packet Generator for packet performance testing. Version: 2.75
[ 3987.539230][T31690] pktgen: interface: lo@0 is already stopped
[ 3989.297910][T31713] pktgen: wrong command format
[ 4000.404263][T16160] page_pool_release_retry() stalled pool shutdown: id 23, 1 inflight 60 sec