[    1.751414] ip (249) used greatest stack depth: 12368 bytes left
[    1.821950] ip (254) used greatest stack depth: 12320 bytes left
[    3.250906] ip (379) used greatest stack depth: 12160 bytes left
[   49.062105] netem: version 1.3
[  486.488948] ip (10235) used greatest stack depth: 12144 bytes left
[  547.561923] tc (11920) used greatest stack depth: 11832 bytes left