[    1.542972] ip (257) used greatest stack depth: 12304 bytes left
[    1.807742] ip (287) used greatest stack depth: 12272 bytes left
[    3.587644] ip (507) used greatest stack depth: 12240 bytes left
[   46.840646] netem: version 1.3
[  569.520578] tc (15677) used greatest stack depth: 11912 bytes left
[  627.004926] pm_nl_ctl (18821) used greatest stack depth: 11864 bytes left