[    2.061458] ip (182) used greatest stack depth: 12296 bytes left
[    3.150578] ip (524) used greatest stack depth: 12128 bytes left
[    3.685218] ip (695) used greatest stack depth: 12088 bytes left
[   50.158448] netem: version 1.3
[   68.975185] ip (4611) used greatest stack depth: 12056 bytes left
[  546.840941] pm_nl_ctl (24826) used greatest stack depth: 11864 bytes left