[   12.173144] ip (214) used greatest stack depth: 12288 bytes left
[   59.995206] netem: version 1.3
[   83.509871] ip (4791) used greatest stack depth: 12256 bytes left
[   83.596920] ip (4826) used greatest stack depth: 12024 bytes left
[  529.318400] pm_nl_ctl (24843) used greatest stack depth: 11864 bytes left