[    1.757361] ip (255) used greatest stack depth: 12304 bytes left
[    3.260394] ip (406) used greatest stack depth: 12272 bytes left
[   52.766305] netem: version 1.3
[  558.058869] tc (15678) used greatest stack depth: 11952 bytes left
[  614.444961] pm_nl_ctl (18823) used greatest stack depth: 11608 bytes left