[   15.662312][  T348] Failed to send a RSS delete notification
[   31.260084][  T581] iperf3 (581) used greatest stack depth: 25024 bytes left
[   31.260384][  T575] iperf3 (575) used greatest stack depth: 25008 bytes left
[   31.260535][  T577] iperf3 (577) used greatest stack depth: 24656 bytes left
[   31.260699][  T597] iperf3 (597) used greatest stack depth: 24464 bytes left