[    1.915492] ip (254) used greatest stack depth: 12320 bytes left
[    3.535536] ip (409) used greatest stack depth: 12288 bytes left
[   52.926412] netem: version 1.3
[  567.929243] tc (15676) used greatest stack depth: 11936 bytes left
[  624.875394] pm_nl_ctl (18823) used greatest stack depth: 11880 bytes left