[    4.263357] ip (268) used greatest stack depth: 12392 bytes left
[    4.562460] ip (280) used greatest stack depth: 12312 bytes left
[    4.991196] ip (295) used greatest stack depth: 12248 bytes left
[    6.724341] ip (385) used greatest stack depth: 12168 bytes left
[   53.898837] netem: version 1.3
[  435.100545] ip (11164) used greatest stack depth: 12120 bytes left
[  550.763031] tc (16943) used greatest stack depth: 11896 bytes left
[  607.115095] pm_nl_ctl (20243) used greatest stack depth: 11848 bytes left