[   17.255579][  T272] ip (272) used greatest stack depth: 24384 bytes left
[   29.815807][  T400] ip (400) used greatest stack depth: 23792 bytes left
[  103.771112][ T1088] ip (1088) used greatest stack depth: 22784 bytes left
[  327.972958][ T3074] netem: version 1.3