[    2.927465] ip (416) used greatest stack depth: 12272 bytes left
[   37.549093] ip (2265) used greatest stack depth: 12240 bytes left
[   47.462260] netem: version 1.3
[  579.248894] tc (15684) used greatest stack depth: 11952 bytes left
[  640.478226] pm_nl_ctl (18827) used greatest stack depth: 11608 bytes left