[    2.029001] ip (261) used greatest stack depth: 12344 bytes left
[   10.542526] ip (941) used greatest stack depth: 12296 bytes left
[   39.429994] ip (1692) used greatest stack depth: 12072 bytes left
[   50.223454] netem: version 1.3
[  483.218351] ip (8169) used greatest stack depth: 12040 bytes left