[    2.667645] ip (258) used greatest stack depth: 12232 bytes left
[    3.282190] ip (416) used greatest stack depth: 12216 bytes left
[    3.860428] ip (568) used greatest stack depth: 12184 bytes left
[    5.061053] ip (900) used greatest stack depth: 11976 bytes left
[   52.605270] netem: version 1.3
[   68.837515] ip (4664) used greatest stack depth: 11968 bytes left
[   96.920961] ip (5015) used greatest stack depth: 11960 bytes left
[  556.910664] pm_nl_ctl (25034) used greatest stack depth: 11832 bytes left