[    2.158473] ip (264) used greatest stack depth: 12592 bytes left
[    2.271141] ip (273) used greatest stack depth: 12352 bytes left
[   41.548284] ip (1694) used greatest stack depth: 12296 bytes left
[   53.182414] netem: version 1.3
[  433.882564] ip (7489) used greatest stack depth: 12200 bytes left
[  517.313786] ip (10333) used greatest stack depth: 12072 bytes left