[    1.786081] ip (257) used greatest stack depth: 12304 bytes left
[    2.204950] ip (294) used greatest stack depth: 12272 bytes left
[   52.658195] netem: version 1.3
[  514.696178] ip (12716) used greatest stack depth: 12240 bytes left
[  582.318519] tc (15678) used greatest stack depth: 11936 bytes left
[  638.505310] pm_nl_ctl (18823) used greatest stack depth: 11880 bytes left