[    1.766782] ip (254) used greatest stack depth: 12152 bytes left
[    1.843768] ip (259) used greatest stack depth: 12088 bytes left
[   79.901637] netem: version 1.3
[  640.451561] tc (26297) used greatest stack depth: 11864 bytes left
[  713.017078] pm_nl_ctl (30425) used greatest stack depth: 11800 bytes left