[   28.710158] ip (2260) used greatest stack depth: 12008 bytes left
[   51.294000] netem: version 1.3
[   65.650560] ip (4674) used greatest stack depth: 11992 bytes left
[   88.538791] ip (5034) used greatest stack depth: 11960 bytes left
[  546.815459] pm_nl_ctl (24815) used greatest stack depth: 11856 bytes left