[    1.759056] ip (295) used greatest stack depth: 12272 bytes left
[   38.313156] ip (2532) used greatest stack depth: 12240 bytes left
[   45.791979] netem: version 1.3
[  530.707215] tc (15679) used greatest stack depth: 11952 bytes left
[  588.694920] pm_nl_ctl (18824) used greatest stack depth: 11608 bytes left