[    1.496728] ip (255) used greatest stack depth: 12248 bytes left
[   47.830867] netem: version 1.3
[  101.608683] ip (3761) used greatest stack depth: 12200 bytes left
[  542.221545] tc (15680) used greatest stack depth: 11952 bytes left
[  599.928563] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left