[    1.881900] ip (255) used greatest stack depth: 12392 bytes left
[    2.150842] ip (274) used greatest stack depth: 12344 bytes left
[   53.806286] netem: version 1.3
[   76.545692] ip (2497) used greatest stack depth: 12240 bytes left
[  506.405392] ip (8785) used greatest stack depth: 12192 bytes left