[    1.595702] ip (259) used greatest stack depth: 12168 bytes left
[   48.278485] netem: version 1.3
[  381.460892] ip (8907) used greatest stack depth: 12120 bytes left
[  536.962964] ip (15915) used greatest stack depth: 12008 bytes left
[  565.859712] tc (16942) used greatest stack depth: 11896 bytes left
[  623.237829] pm_nl_ctl (20243) used greatest stack depth: 11848 bytes left