[    2.115365] ip (260) used greatest stack depth: 12320 bytes left
[    2.454077] ip (279) used greatest stack depth: 12272 bytes left
[   65.168286] ip (2851) used greatest stack depth: 12248 bytes left
[   65.473810] netem: version 1.3
[  648.871306] tc (15597) used greatest stack depth: 11896 bytes left
[  715.369845] pm_nl_ctl (18735) used greatest stack depth: 11872 bytes left