[   17.633659][  T259] ip (259) used greatest stack depth: 24072 bytes left
[   33.005045][  T389] ip (389) used greatest stack depth: 23776 bytes left
[  219.710948][ T1962] ip (1962) used greatest stack depth: 23376 bytes left
[  341.669153][ T3025] ip (3025) used greatest stack depth: 22768 bytes left
[  349.047674][ T3080] netem: version 1.3