[    1.674794] ip (268) used greatest stack depth: 12456 bytes left
[    1.745430] ip (277) used greatest stack depth: 12408 bytes left
[    1.816006] ip (286) used greatest stack depth: 12216 bytes left
[    2.550796] ip (385) used greatest stack depth: 12184 bytes left
[   52.457650] netem: version 1.3
[   81.220677] ip (3558) used greatest stack depth: 12136 bytes left
[  566.848260] tc (16940) used greatest stack depth: 11896 bytes left
[  625.313755] pm_nl_ctl (20240) used greatest stack depth: 11856 bytes left