[    1.849097] ip (256) used greatest stack depth: 12392 bytes left
[    2.229581] ip (287) used greatest stack depth: 12360 bytes left
[    5.974039] ip (584) used greatest stack depth: 12344 bytes left
[   53.094200] netem: version 1.3
[  418.997232] ip (7079) used greatest stack depth: 12192 bytes left