[    1.864622] ip (256) used greatest stack depth: 12392 bytes left
[    2.153113] ip (278) used greatest stack depth: 12360 bytes left
[    2.246584] ip (287) used greatest stack depth: 12344 bytes left
[    5.953059] ip (567) used greatest stack depth: 12240 bytes left
[   53.240725] netem: version 1.3
[  127.580041] ip (2888) used greatest stack depth: 12192 bytes left
[  607.860829] tc (12619) used greatest stack depth: 11936 bytes left