[    2.253046] ip (271) used greatest stack depth: 12368 bytes left
[    2.482863] ip (289) used greatest stack depth: 12352 bytes left
[   53.910178] netem: version 1.3
[  402.224298] ip (6795) used greatest stack depth: 12312 bytes left
[  595.987783] tc (11922) used greatest stack depth: 11936 bytes left