[    1.499646] ip (255) used greatest stack depth: 12184 bytes left
[   33.621619] ip (1860) used greatest stack depth: 11992 bytes left
[   49.210425] netem: version 1.3
[   68.003716] ip (3406) used greatest stack depth: 11960 bytes left
[  561.317967] tc (16942) used greatest stack depth: 11928 bytes left
[  620.413240] pm_nl_ctl (20243) used greatest stack depth: 11784 bytes left