[    1.646344] ip (255) used greatest stack depth: 12304 bytes left
[    1.891822] ip (284) used greatest stack depth: 12272 bytes left
[   46.488619] netem: version 1.3
[  562.175167] tc (15683) used greatest stack depth: 11952 bytes left
[  621.138078] pm_nl_ctl (18828) used greatest stack depth: 11864 bytes left