[    2.146486] ip (255) used greatest stack depth: 12880 bytes left
[    2.184984] ip (258) used greatest stack depth: 12320 bytes left
[    2.654665] ip (287) used greatest stack depth: 12272 bytes left
[   60.421683] netem: version 1.3
[  570.240782] ip (13563) used greatest stack depth: 12072 bytes left
[  639.405823] tc (15595) used greatest stack depth: 11936 bytes left
[  704.316698] pm_nl_ctl (18733) used greatest stack depth: 11872 bytes left