[    2.062804] ip (267) used greatest stack depth: 12552 bytes left
[    2.155568] ip (277) used greatest stack depth: 12376 bytes left
[    3.782184] ip (429) used greatest stack depth: 12216 bytes left
[    5.122038] ip (568) used greatest stack depth: 12200 bytes left
[   55.020223] netem: version 1.3
[  579.559144] tc (16939) used greatest stack depth: 11896 bytes left
[  640.598313] pm_nl_ctl (20240) used greatest stack depth: 11784 bytes left