[    1.950268] ip (255) used greatest stack depth: 12392 bytes left
[    2.291245] ip (277) used greatest stack depth: 12344 bytes left
[   39.716679] ip (1549) used greatest stack depth: 12192 bytes left
[   57.434397] netem: version 1.3
[  274.355692] ip (4380) used greatest stack depth: 12160 bytes left
[  365.957587] ip (5758) used greatest stack depth: 12064 bytes left
[  628.730590] tc (12966) used greatest stack depth: 11936 bytes left