[    2.441708] ip (285) used greatest stack depth: 12344 bytes left
[   58.942911] netem: version 1.3
[  348.974305] ip (5645) used greatest stack depth: 12192 bytes left
[  571.566813] ip (11809) used greatest stack depth: 12160 bytes left
[  603.950712] tc (12616) used greatest stack depth: 11936 bytes left