[    2.068092] ip (268) used greatest stack depth: 12320 bytes left
[   47.156907] netem: version 1.3
[   63.869421] ip (2346) used greatest stack depth: 12176 bytes left
[  347.454667] ip (5718) used greatest stack depth: 12160 bytes left
[  541.270267] tc (11909) used greatest stack depth: 11872 bytes left