[    2.598239] ip (216) used greatest stack depth: 12216 bytes left
[    2.697780] ip (248) used greatest stack depth: 12008 bytes left
[   18.111160] ip (1701) used greatest stack depth: 11976 bytes left
[   52.409712] netem: version 1.3
[   82.616744] ip (5041) used greatest stack depth: 11960 bytes left
[  517.440171] sed (24489) used greatest stack depth: 11816 bytes left