[    2.232293] ip (270) used greatest stack depth: 12712 bytes left
[    2.340857] ip (279) used greatest stack depth: 12584 bytes left
[    2.451092] ip (288) used greatest stack depth: 12344 bytes left
[   12.930856] ip (1173) used greatest stack depth: 12032 bytes left
[   57.529193] netem: version 1.3
[  598.411430] tc (15595) used greatest stack depth: 11936 bytes left
[  664.790804] pm_nl_ctl (18733) used greatest stack depth: 11832 bytes left