[    2.105370] ip (182) used greatest stack depth: 12720 bytes left
[    2.144479] ip (195) used greatest stack depth: 12592 bytes left
[    2.167158] ip (205) used greatest stack depth: 12504 bytes left
[    2.190391] ip (214) used greatest stack depth: 12096 bytes left
[   49.980245] ip (4235) used greatest stack depth: 12056 bytes left
[   50.071595] netem: version 1.3
[   56.551194] ip (4451) used greatest stack depth: 12024 bytes left
[  525.227900] pm_nl_ctl (24835) used greatest stack depth: 11864 bytes left