[    1.830344] ip (257) used greatest stack depth: 12392 bytes left
[    2.080464] ip (277) used greatest stack depth: 12360 bytes left
[    2.180535] ip (286) used greatest stack depth: 12344 bytes left
[   54.660665] netem: version 1.3
[   62.520369] ip (2516) used greatest stack depth: 12160 bytes left