[    2.188611] ip (286) used greatest stack depth: 12248 bytes left
[   10.202837] ip (1045) used greatest stack depth: 11976 bytes left
[   53.950437] netem: version 1.3
[  577.191557] tc (15678) used greatest stack depth: 11952 bytes left
[  635.107698] pm_nl_ctl (18825) used greatest stack depth: 11872 bytes left