[    1.692515] ip (267) used greatest stack depth: 12472 bytes left
[    1.773199] ip (277) used greatest stack depth: 12392 bytes left
[    1.941246] ip (295) used greatest stack depth: 12232 bytes left
[    3.124762] ip (429) used greatest stack depth: 12200 bytes left
[   10.639784] ip (1246) used greatest stack depth: 11912 bytes left
[   52.372976] netem: version 1.3
[  606.057299] pm_nl_ctl (20239) used greatest stack depth: 11784 bytes left