[    1.682628] ip (267) used greatest stack depth: 12376 bytes left
[    1.752660] ip (276) used greatest stack depth: 12344 bytes left
[    1.890038] ip (294) used greatest stack depth: 12200 bytes left
[    3.882293] ip (522) used greatest stack depth: 12168 bytes left
[   52.727190] netem: version 1.3
[  529.295019] ip (15593) used greatest stack depth: 12072 bytes left
[  571.195403] tc (16936) used greatest stack depth: 11888 bytes left
[  629.182173] pm_nl_ctl (20238) used greatest stack depth: 11840 bytes left