[   20.850289] ip (287) used greatest stack depth: 12216 bytes left
[   70.634244] netem: version 1.3
[  156.880572] ip (3754) used greatest stack depth: 12200 bytes left
[  662.050949] tc (21274) used greatest stack depth: 11952 bytes left
[  719.177337] pm_nl_ctl (24413) used greatest stack depth: 11872 bytes left