[    2.520310] ip (216) used greatest stack depth: 12216 bytes left
[    2.538121] ip (221) used greatest stack depth: 12168 bytes left
[    2.571016] ip (229) used greatest stack depth: 11992 bytes left
[   17.781969] ip (1719) used greatest stack depth: 11960 bytes left
[   51.581905] netem: version 1.3
[   89.296184] ip (4837) used greatest stack depth: 11936 bytes left
[  566.583764] pm_nl_ctl (24826) used greatest stack depth: 11864 bytes left