[    2.020025] ip (256) used greatest stack depth: 12912 bytes left
[    2.054416] ip (259) used greatest stack depth: 12392 bytes left
[    2.361787] ip (278) used greatest stack depth: 12344 bytes left
[   53.880180] netem: version 1.3
[  211.721082] ip (4074) used greatest stack depth: 12272 bytes left