[   31.935029][  T272] ip (272) used greatest stack depth: 23688 bytes left
[  379.364792][ T2237] netem: version 1.3
[ 1749.660513][ T9489] ip (9489) used greatest stack depth: 23504 bytes left
[ 2241.653822][T12847] tc (12847) used greatest stack depth: 23224 bytes left