[    1.597330] ip (252) used greatest stack depth: 12688 bytes left
[    1.824867] ip (275) used greatest stack depth: 12368 bytes left
[    1.902806] ip (284) used greatest stack depth: 12192 bytes left
[   48.203854] netem: version 1.3
[  471.452963] ip (12269) used greatest stack depth: 12096 bytes left
[  554.638065] tc (16941) used greatest stack depth: 11896 bytes left
[  611.714664] pm_nl_ctl (20240) used greatest stack depth: 11864 bytes left