[    1.844274] ip (251) used greatest stack depth: 12392 bytes left
[    2.273025] ip (281) used greatest stack depth: 12352 bytes left
[   10.207027] ip (854) used greatest stack depth: 12344 bytes left
[   51.257169] ip (2112) used greatest stack depth: 12072 bytes left
[   51.518743] netem: version 1.3
[  565.899677] tc (11939) used greatest stack depth: 11936 bytes left