[    1.741394] ip (256) used greatest stack depth: 12368 bytes left
[    2.021028] ip (281) used greatest stack depth: 12320 bytes left
[    9.316276] ip (914) used greatest stack depth: 12160 bytes left
[   48.497913] netem: version 1.3
[  418.213196] ip (7697) used greatest stack depth: 12016 bytes left
[  541.593963] tc (11914) used greatest stack depth: 11872 bytes left