[   37.402295][  T274] ip (274) used greatest stack depth: 23944 bytes left
[  212.032502][ T1194] ip (1194) used greatest stack depth: 23912 bytes left
[  409.017067][ T2244] netem: version 1.3
[ 1224.988216][ T6189] ip (6189) used greatest stack depth: 23632 bytes left