[    2.250805] ip (263) used greatest stack depth: 12640 bytes left
[    2.295907] ip (266) used greatest stack depth: 12608 bytes left
[    2.382282] ip (272) used greatest stack depth: 12320 bytes left
[   40.932933] ip (1583) used greatest stack depth: 12272 bytes left
[   54.094088] netem: version 1.3
[  402.199105] ip (6767) used greatest stack depth: 12160 bytes left