[    2.001374] ip (253) used greatest stack depth: 12392 bytes left
[    2.357944] ip (275) used greatest stack depth: 12360 bytes left
[    2.474843] ip (284) used greatest stack depth: 12344 bytes left
[    8.844496] ip (754) used greatest stack depth: 12288 bytes left
[   54.724919] netem: version 1.3
[  144.049150] ip (3006) used greatest stack depth: 12192 bytes left