[   40.403560][  T264] ip (264) used greatest stack depth: 24352 bytes left
[   40.979020][  T268] ip (268) used greatest stack depth: 24304 bytes left
[   55.769765][  T359] ip (359) used greatest stack depth: 23424 bytes left
[  384.736419][ T2133] netem: version 1.3