[   16.997231] ip (1636) used greatest stack depth: 12416 bytes left
[   31.038083] ip (2907) used greatest stack depth: 12344 bytes left
[   50.530967] netem: version 1.3
[  116.219604] ip (5164) used greatest stack depth: 12120 bytes left
[  116.295909] ip (5191) used greatest stack depth: 12064 bytes left
[  546.200917] pm_nl_ctl (24826) used greatest stack depth: 11944 bytes left