[  460.450737][ T1619] iperf3 (1619) used greatest stack depth: 24416 bytes left
[  472.286817][ T1770] Failed to send a RSS delete notification
[  493.635539][ T2000] iperf3 (2000) used greatest stack depth: 24168 bytes left
[  503.713359][ T2093] iperf3 (2093) used greatest stack depth: 23760 bytes left