[    1.913472] ip (280) used greatest stack depth: 12320 bytes left
[   46.695588] netem: version 1.3
[  347.910115] ip (5737) used greatest stack depth: 12160 bytes left
[  472.171933] ip (9617) used greatest stack depth: 12128 bytes left
[  537.388430] tc (11910) used greatest stack depth: 11872 bytes left