[    1.692187] ip (256) used greatest stack depth: 12392 bytes left
[    1.976621] ip (278) used greatest stack depth: 12360 bytes left
[    2.074416] ip (287) used greatest stack depth: 12344 bytes left
[   56.413536] netem: version 1.3
[   65.183595] ip (2651) used greatest stack depth: 12272 bytes left
[  385.870592] ip (6738) used greatest stack depth: 12192 bytes left
[  676.107932] pm_nl_ctl (16880) used greatest stack depth: 11848 bytes left