[    2.152162] ip (278) used greatest stack depth: 12272 bytes left
[   39.803953] ip (1878) used greatest stack depth: 12248 bytes left
[   56.336309] netem: version 1.3
[  195.526056] ip (4670) used greatest stack depth: 12144 bytes left
[  610.650912] tc (15594) used greatest stack depth: 11936 bytes left
[  678.631893] pm_nl_ctl (18733) used greatest stack depth: 11872 bytes left