[    1.395295] ip (254) used greatest stack depth: 12184 bytes left
[   47.606285] netem: version 1.3
[  514.169837] ip (16367) used greatest stack depth: 12136 bytes left
[  525.220417] tc (16939) used greatest stack depth: 11920 bytes left
[  580.388863] pm_nl_ctl (20240) used greatest stack depth: 11872 bytes left