[    2.651532] ip (285) used greatest stack depth: 12360 bytes left
[    2.782928] ip (294) used greatest stack depth: 12344 bytes left
[   46.145484] ip (1794) used greatest stack depth: 12280 bytes left
[   58.709316] netem: version 1.3
[  400.516790] ip (6852) used greatest stack depth: 12192 bytes left