[    2.273226] ip (267) used greatest stack depth: 12376 bytes left
[    2.504002] ip (285) used greatest stack depth: 12232 bytes left
[    2.619844] ip (294) used greatest stack depth: 12200 bytes left
[   53.022973] netem: version 1.3
[  494.264115] ip (14696) used greatest stack depth: 12120 bytes left
[  555.600715] tc (16940) used greatest stack depth: 11888 bytes left
[  614.292776] pm_nl_ctl (20239) used greatest stack depth: 11848 bytes left