[    2.499797] ip (293) used greatest stack depth: 12272 bytes left
[   64.991512] netem: version 1.3
[   88.559902] ip (3176) used greatest stack depth: 12000 bytes left
[  655.796635] tc (15599) used greatest stack depth: 11896 bytes left
[  723.498854] pm_nl_ctl (18741) used greatest stack depth: 11768 bytes left