[    1.655323] ip (257) used greatest stack depth: 12184 bytes left
[   34.777197] ip (1992) used greatest stack depth: 12136 bytes left
[   48.558554] netem: version 1.3
[  544.138125] tc (16946) used greatest stack depth: 11920 bytes left
[  600.690710] pm_nl_ctl (20246) used greatest stack depth: 11848 bytes left