[    2.103315] ip (268) used greatest stack depth: 12344 bytes left
[    2.321085] ip (295) used greatest stack depth: 12216 bytes left
[    3.355919] ip (394) used greatest stack depth: 12120 bytes left
[   53.710896] netem: version 1.3
[  588.182640] tc (16941) used greatest stack depth: 11896 bytes left
[  647.849399] pm_nl_ctl (20241) used greatest stack depth: 11864 bytes left