[    7.959050] ip (944) used greatest stack depth: 12120 bytes left
[   50.772619] netem: version 1.3
[  128.161908] ip (3928) used greatest stack depth: 11944 bytes left
[  579.343067] tc (16941) used greatest stack depth: 11896 bytes left
[  639.212794] pm_nl_ctl (20240) used greatest stack depth: 11864 bytes left