[   12.314814] ip (214) used greatest stack depth: 12736 bytes left
[   12.370353] ip (227) used greatest stack depth: 12720 bytes left
[   12.393709] ip (237) used greatest stack depth: 12432 bytes left
[   13.038498] ip (404) used greatest stack depth: 12040 bytes left
[   62.146095] netem: version 1.3
[  569.469315] pm_nl_ctl (24851) used greatest stack depth: 11856 bytes left