[    2.070642] ip (255) used greatest stack depth: 12392 bytes left
[    2.480442] ip (284) used greatest stack depth: 12360 bytes left
[    5.392243] ip (491) used greatest stack depth: 12344 bytes left
[   25.661444] ip (1194) used greatest stack depth: 12288 bytes left
[   57.420110] netem: version 1.3
[  619.319971] tc (12964) used greatest stack depth: 11936 bytes left