[    1.645904] ip (248) used greatest stack depth: 12368 bytes left
[    1.953426] ip (278) used greatest stack depth: 12320 bytes left
[    4.919294] ip (556) used greatest stack depth: 12272 bytes left
[   48.436250] netem: version 1.3
[   70.159203] ip (2354) used greatest stack depth: 12160 bytes left
[  318.170440] ip (4913) used greatest stack depth: 12128 bytes left