[    2.101290] ip (268) used greatest stack depth: 12608 bytes left
[    2.161900] ip (275) used greatest stack depth: 12528 bytes left
[    2.373378] ip (297) used greatest stack depth: 12256 bytes left
[   39.504638] ip (2261) used greatest stack depth: 12240 bytes left
[   51.774712] netem: version 1.3
[  559.359927] tc (16525) used greatest stack depth: 11920 bytes left
[  616.695821] pm_nl_ctl (19772) used greatest stack depth: 11872 bytes left