[    1.727225] ip (250) used greatest stack depth: 12368 bytes left
[    2.020051] ip (271) used greatest stack depth: 12320 bytes left
[    7.839866] ip (760) used greatest stack depth: 12272 bytes left
[   47.215156] netem: version 1.3
[  360.247182] ip (6864) used greatest stack depth: 12016 bytes left
[  534.189796] tc (11912) used greatest stack depth: 11872 bytes left