[    2.577272] ip (296) used greatest stack depth: 12272 bytes left
[   10.519940] ip (912) used greatest stack depth: 11992 bytes left
[   59.501895] netem: version 1.3
[  621.200865] tc (15594) used greatest stack depth: 11936 bytes left
[  687.809211] pm_nl_ctl (18731) used greatest stack depth: 11872 bytes left