[    2.059759] ip (276) used greatest stack depth: 12376 bytes left
[    2.207061] ip (294) used greatest stack depth: 12200 bytes left
[    4.427597] ip (529) used greatest stack depth: 12168 bytes left
[   52.499634] netem: version 1.3
[  146.811123] ip (4201) used greatest stack depth: 12120 bytes left
[  577.792878] tc (16940) used greatest stack depth: 11912 bytes left
[  633.621440] pm_nl_ctl (20241) used greatest stack depth: 11864 bytes left