[    1.640990] ip (253) used greatest stack depth: 12904 bytes left
[    1.663286] ip (256) used greatest stack depth: 12304 bytes left
[    2.985309] ip (407) used greatest stack depth: 12272 bytes left
[   46.975350] netem: version 1.3
[  492.560471] ip (11847) used greatest stack depth: 12240 bytes left
[  570.499944] tc (15684) used greatest stack depth: 11952 bytes left
[  627.612224] pm_nl_ctl (18829) used greatest stack depth: 11864 bytes left