[    1.892021] ip (262) used greatest stack depth: 12336 bytes left
[   49.857085] netem: version 1.3
[   74.211422] ip (2479) used greatest stack depth: 12304 bytes left
[  388.787690] ip (7154) used greatest stack depth: 12192 bytes left
[  395.113490] ip (7253) used greatest stack depth: 12160 bytes left