[    2.253208] ip (277) used greatest stack depth: 12360 bytes left
[    2.471082] ip (295) used greatest stack depth: 12344 bytes left
[   17.791975] ip (1087) used greatest stack depth: 12288 bytes left
[   52.658381] netem: version 1.3
[  141.682225] ip (3242) used greatest stack depth: 12240 bytes left
[  430.138726] ip (7920) used greatest stack depth: 12192 bytes left