[    2.076551] ip (260) used greatest stack depth: 12392 bytes left
[    2.365580] ip (279) used greatest stack depth: 12344 bytes left
[   59.515486] netem: version 1.3
[  203.693723] ip (4696) used greatest stack depth: 12192 bytes left
[  618.565010] tc (15592) used greatest stack depth: 11936 bytes left
[  685.443278] pm_nl_ctl (18730) used greatest stack depth: 11624 bytes left