[    1.648014] ip (250) used greatest stack depth: 12368 bytes left
[    1.867078] ip (271) used greatest stack depth: 12320 bytes left
[   38.250854] ip (1786) used greatest stack depth: 12128 bytes left
[   47.325149] netem: version 1.3
[  466.779434] ip (9117) used greatest stack depth: 12048 bytes left