[    2.217430] ip (288) used greatest stack depth: 12344 bytes left
[    6.360297] ip (661) used greatest stack depth: 12104 bytes left
[   54.261015] netem: version 1.3
[  603.941103] tc (15595) used greatest stack depth: 11936 bytes left
[  670.360571] pm_nl_ctl (18733) used greatest stack depth: 11872 bytes left