[    2.099109] ip (257) used greatest stack depth: 12392 bytes left
[    2.717631] ip (294) used greatest stack depth: 12360 bytes left
[    4.110295] ip (391) used greatest stack depth: 12344 bytes left
[   55.085142] ip (2218) used greatest stack depth: 12192 bytes left
[   55.565190] netem: version 1.3
[  330.492428] ip (5062) used greatest stack depth: 12160 bytes left
[  548.502632] ip (10740) used greatest stack depth: 12064 bytes left