[    1.368283] ip (222) used greatest stack depth: 12216 bytes left
[    1.406972] ip (230) used greatest stack depth: 11896 bytes left
[   51.977702] netem: version 1.3
[   80.321806] ip (4854) used greatest stack depth: 11872 bytes left
[  504.588405] tc (20922) used greatest stack depth: 11704 bytes left