[    2.304011] ip (265) used greatest stack depth: 12568 bytes left
[    2.429376] ip (275) used greatest stack depth: 12344 bytes left
[    2.694137] ip (293) used greatest stack depth: 12248 bytes left
[    4.108341] ip (428) used greatest stack depth: 12216 bytes left
[   54.438396] netem: version 1.3
[  575.421442] tc (16942) used greatest stack depth: 11928 bytes left
[  636.125352] pm_nl_ctl (20243) used greatest stack depth: 11880 bytes left