[   19.721331][  T236] ip (236) used greatest stack depth: 24072 bytes left
[   20.180936][  T255] ip (255) used greatest stack depth: 23160 bytes left
[  145.305429][ T4300] netem: version 1.3
[  656.902212][T12383] ip (12383) used greatest stack depth: 22544 bytes left