[    2.768782] ip (269) used greatest stack depth: 12680 bytes left
[    2.938609] ip (279) used greatest stack depth: 12624 bytes left
[    3.091909] ip (288) used greatest stack depth: 12344 bytes left
[   67.243294] netem: version 1.3
[   76.665696] ip (3010) used greatest stack depth: 12240 bytes left
[  513.748487] ip (10954) used greatest stack depth: 12192 bytes left
[  578.364580] ip (14227) used greatest stack depth: 12160 bytes left
[  629.470970] tc (15594) used greatest stack depth: 11936 bytes left
[  693.544286] pm_nl_ctl (18732) used greatest stack depth: 11784 bytes left