[    2.041891] ip (257) used greatest stack depth: 12392 bytes left
[    2.433910] ip (285) used greatest stack depth: 12360 bytes left
[    2.543770] ip (294) used greatest stack depth: 12344 bytes left
[   53.985205] netem: version 1.3
[  543.218683] ip (11482) used greatest stack depth: 12304 bytes left