[    1.924496] ip (254) used greatest stack depth: 12896 bytes left
[    1.961869] ip (257) used greatest stack depth: 12456 bytes left
[    2.296545] ip (276) used greatest stack depth: 12360 bytes left
[    2.410146] ip (285) used greatest stack depth: 12344 bytes left
[   45.613448] ip (1918) used greatest stack depth: 12064 bytes left
[   58.020060] netem: version 1.3