[   12.312060] ip (238) used greatest stack depth: 12312 bytes left
[   13.495157] ip (557) used greatest stack depth: 12080 bytes left
[   61.892074] netem: version 1.3
[   71.242017] ip (4474) used greatest stack depth: 12040 bytes left
[   81.511844] ip (4643) used greatest stack depth: 12008 bytes left
[  570.319433] pm_nl_ctl (24863) used greatest stack depth: 11864 bytes left