[    1.579988] ip (255) used greatest stack depth: 12184 bytes left
[   27.201888] ip (1643) used greatest stack depth: 12136 bytes left
[   48.035924] netem: version 1.3
[  561.824718] tc (16940) used greatest stack depth: 11920 bytes left
[  617.096682] pm_nl_ctl (20240) used greatest stack depth: 11864 bytes left