[    2.148893] ip (183) used greatest stack depth: 12296 bytes left
[    2.235908] ip (215) used greatest stack depth: 12096 bytes left
[    3.284969] ip (534) used greatest stack depth: 12056 bytes left
[    5.352924] ip (1182) used greatest stack depth: 12024 bytes left
[   50.127303] netem: version 1.3
[  529.049414] pm_nl_ctl (24835) used greatest stack depth: 11864 bytes left