[    1.739062] ip (255) used greatest stack depth: 12608 bytes left
[    1.906499] ip (271) used greatest stack depth: 12576 bytes left
[    1.984876] ip (280) used greatest stack depth: 12160 bytes left
[   46.679373] netem: version 1.3
[  553.880216] tc (11917) used greatest stack depth: 11872 bytes left