[    1.532638] ip (258) used greatest stack depth: 12168 bytes left
[    4.299330] ip (667) used greatest stack depth: 11944 bytes left
[   64.858093] netem: version 1.3
[  591.246931] tc (23603) used greatest stack depth: 11880 bytes left
[  656.449303] pm_nl_ctl (27730) used greatest stack depth: 11848 bytes left