[    2.042850] ip (280) used greatest stack depth: 12320 bytes left
[   48.851421] netem: version 1.3
[   68.641189] ip (2375) used greatest stack depth: 12160 bytes left
[  126.862827] ip (2859) used greatest stack depth: 12144 bytes left
[  374.384929] ip (6088) used greatest stack depth: 12000 bytes left