[    1.409710] ip (218) used greatest stack depth: 12216 bytes left
[    5.132756] ip (1207) used greatest stack depth: 12008 bytes left
[   51.169663] netem: version 1.3
[   68.817102] ip (4655) used greatest stack depth: 11992 bytes left
[  101.899687] ip (5024) used greatest stack depth: 11960 bytes left
[  564.090548] pm_nl_ctl (24828) used greatest stack depth: 11856 bytes left