[ 1344.773757] pktgen: Packet Generator for packet performance testing. Version: 2.75
[ 1344.978848] pktgen: interface: lo@0 is already stopped
[ 1345.898868] pktgen: wrong command format
[ 1350.499844] page_pool_release_retry() stalled pool shutdown: id 11, 9 inflight 60 sec