[    1.338240] ip (220) used greatest stack depth: 12216 bytes left
[   22.298129] ip (1857) used greatest stack depth: 12008 bytes left
[   50.929434] netem: version 1.3
[   70.163337] ip (4675) used greatest stack depth: 11968 bytes left
[  564.930342] pm_nl_ctl (24830) used greatest stack depth: 11832 bytes left