[    2.088610] sysctl (184) used greatest stack depth: 12664 bytes left
[    2.099400] ip (188) used greatest stack depth: 12296 bytes left
[    3.796242] ip (687) used greatest stack depth: 12056 bytes left
[   50.847035] netem: version 1.3
[   79.463888] ip (4821) used greatest stack depth: 12024 bytes left
[  535.836888] pm_nl_ctl (24833) used greatest stack depth: 11864 bytes left