[    1.973602] ip (267) used greatest stack depth: 12504 bytes left
[    2.159948] ip (285) used greatest stack depth: 12480 bytes left
[    2.253214] ip (294) used greatest stack depth: 12248 bytes left
[    4.504447] ip (504) used greatest stack depth: 12232 bytes left
[   10.139116] ip (1026) used greatest stack depth: 12104 bytes left
[   52.996817] netem: version 1.3
[  625.032714] tc (21371) used greatest stack depth: 11952 bytes left
[  681.301434] pm_nl_ctl (24512) used greatest stack depth: 11872 bytes left