[    1.934698] ip (266) used greatest stack depth: 12472 bytes left
[    2.020233] ip (276) used greatest stack depth: 12408 bytes left
[    2.120432] ip (285) used greatest stack depth: 12392 bytes left
[    2.237413] ip (294) used greatest stack depth: 12248 bytes left
[    3.552532] ip (428) used greatest stack depth: 12216 bytes left
[   53.173163] netem: version 1.3
[  116.750192] ip (3896) used greatest stack depth: 12120 bytes left
[  563.785149] tc (16944) used greatest stack depth: 11928 bytes left
[  621.924177] pm_nl_ctl (20244) used greatest stack depth: 11800 bytes left