[    1.526952] ip (255) used greatest stack depth: 12296 bytes left
[    1.875096] ip (295) used greatest stack depth: 12248 bytes left
[    6.150990] ip (793) used greatest stack depth: 12120 bytes left
[   49.698983] netem: version 1.3
[  573.594714] tc (15680) used greatest stack depth: 11952 bytes left
[  630.843804] pm_nl_ctl (18823) used greatest stack depth: 11864 bytes left