[    1.757883] ip (268) used greatest stack depth: 12440 bytes left
[    1.919198] ip (287) used greatest stack depth: 12264 bytes left
[    3.853721] ip (524) used greatest stack depth: 12184 bytes left
[   50.710357] netem: version 1.3
[  548.229460] tc (16522) used greatest stack depth: 11928 bytes left
[  607.321657] pm_nl_ctl (19770) used greatest stack depth: 11800 bytes left