[    2.482561] ip (277) used greatest stack depth: 12320 bytes left
[   41.345078] ip (1562) used greatest stack depth: 12160 bytes left
[   55.444072] netem: version 1.3
[  391.484951] ip (6796) used greatest stack depth: 12128 bytes left
[  582.148541] tc (11936) used greatest stack depth: 11872 bytes left