[    2.002213] ip (255) used greatest stack depth: 12392 bytes left
[    2.405225] ip (286) used greatest stack depth: 12344 bytes left
[   55.925948] netem: version 1.3
[   64.872815] ip (2361) used greatest stack depth: 12192 bytes left
[  460.541195] ip (8150) used greatest stack depth: 12064 bytes left