[    1.763052] ip (249) used greatest stack depth: 12608 bytes left
[    1.831108] ip (254) used greatest stack depth: 12368 bytes left
[    2.104791] ip (279) used greatest stack depth: 12320 bytes left
[   10.096587] ip (931) used greatest stack depth: 12128 bytes left
[   51.644953] netem: version 1.3
[   71.435292] ip (2379) used greatest stack depth: 12032 bytes left