[    2.237858] ip (256) used greatest stack depth: 12304 bytes left
[    2.812587] ip (288) used greatest stack depth: 12272 bytes left
[   65.128575] netem: version 1.3
[   73.426388] ip (2996) used greatest stack depth: 12128 bytes left
[  110.860121] ip (3459) used greatest stack depth: 12000 bytes left
[  620.622925] tc (15588) used greatest stack depth: 11896 bytes left