[    1.838061] ip (256) used greatest stack depth: 12320 bytes left
[    2.141123] ip (278) used greatest stack depth: 12272 bytes left
[   44.097645] ip (2148) used greatest stack depth: 12144 bytes left
[   57.338066] netem: version 1.3
[  619.350686] tc (15595) used greatest stack depth: 11896 bytes left
[  684.790903] pm_nl_ctl (18731) used greatest stack depth: 11872 bytes left