[    1.752623] ip (266) used greatest stack depth: 12344 bytes left
[    1.902499] ip (285) used greatest stack depth: 12200 bytes left
[    1.974585] ip (294) used greatest stack depth: 12168 bytes left
[   72.939308] netem: version 1.3
[  163.045023] ip (6728) used greatest stack depth: 12120 bytes left
[  627.624381] tc (24873) used greatest stack depth: 11864 bytes left
[  688.647418] pm_nl_ctl (29001) used greatest stack depth: 11856 bytes left