[    2.480477] ip (222) used greatest stack depth: 12216 bytes left
[    3.082070] ip (382) used greatest stack depth: 12168 bytes left
[   52.223142] netem: version 1.3
[   72.779801] ip (4646) used greatest stack depth: 12008 bytes left
[  132.467419] ip (5220) used greatest stack depth: 11976 bytes left
[  571.336810] pm_nl_ctl (24827) used greatest stack depth: 11864 bytes left