[    1.966368] ip (251) used greatest stack depth: 12392 bytes left
[    2.405233] ip (281) used greatest stack depth: 12352 bytes left
[    5.326611] ip (476) used greatest stack depth: 12344 bytes left
[   42.557637] ip (1697) used greatest stack depth: 12248 bytes left
[   54.125583] netem: version 1.3
[  491.388091] ip (8482) used greatest stack depth: 12200 bytes left
[  595.737465] tc (11935) used greatest stack depth: 11936 bytes left