[    1.989421] ip (295) used greatest stack depth: 12232 bytes left
[    9.112136] ip (1128) used greatest stack depth: 12216 bytes left
[   47.716933] netem: version 1.3
[  643.775527] tc (21172) used greatest stack depth: 11952 bytes left
[  702.760613] pm_nl_ctl (24312) used greatest stack depth: 11872 bytes left