[    1.475959] ip (229) used greatest stack depth: 12424 bytes left
[    1.499940] ip (238) used greatest stack depth: 12408 bytes left
[    1.515932] ip (244) used greatest stack depth: 12360 bytes left
[    1.523988] ip (247) used greatest stack depth: 12264 bytes left
[    1.548604] ip (257) used greatest stack depth: 12232 bytes left
[    4.558581] ip (1061) used greatest stack depth: 12216 bytes left
[   16.903301] ip (1692) used greatest stack depth: 11992 bytes left
[   51.301719] netem: version 1.3
[   91.382335] ip (5034) used greatest stack depth: 11952 bytes left
[  104.038425] ip (5230) used greatest stack depth: 11936 bytes left
[  543.684819] pm_nl_ctl (24827) used greatest stack depth: 11784 bytes left