[    2.268536] ip (269) used greatest stack depth: 12656 bytes left
[    2.390245] ip (279) used greatest stack depth: 12344 bytes left
[    2.511954] ip (288) used greatest stack depth: 12328 bytes left
[   47.692119] ip (2008) used greatest stack depth: 12288 bytes left
[   56.262511] netem: version 1.3
[  361.423632] ip (5647) used greatest stack depth: 12272 bytes left
[  616.796603] tc (12620) used greatest stack depth: 11920 bytes left