[    1.849416] ip (254) used greatest stack depth: 12632 bytes left
[    1.880349] ip (257) used greatest stack depth: 12392 bytes left
[    2.245940] ip (285) used greatest stack depth: 12360 bytes left
[    3.757632] ip (391) used greatest stack depth: 12344 bytes left
[   53.163415] netem: version 1.3
[  408.881769] ip (6978) used greatest stack depth: 12304 bytes left
[  608.933454] tc (12618) used greatest stack depth: 11896 bytes left