[    2.349657] ip (270) used greatest stack depth: 12528 bytes left
[    2.609752] ip (288) used greatest stack depth: 12272 bytes left
[   62.108539] netem: version 1.3
[  298.346871] ip (5569) used greatest stack depth: 12128 bytes left
[  630.522375] tc (15595) used greatest stack depth: 11896 bytes left