[    2.082705] ip (270) used greatest stack depth: 12512 bytes left
[    2.281087] ip (289) used greatest stack depth: 12272 bytes left
[    5.005309] ip (545) used greatest stack depth: 12248 bytes left
[   55.890834] netem: version 1.3
[  444.692627] ip (9566) used greatest stack depth: 12144 bytes left
[  597.351972] ip (14934) used greatest stack depth: 12128 bytes left
[  616.017293] tc (15595) used greatest stack depth: 11936 bytes left
[  684.111942] pm_nl_ctl (18734) used greatest stack depth: 11848 bytes left