[   11.870137][  T252] ip (252) used greatest stack depth: 24224 bytes left
[   60.225532][ T4548] ip (4548) used greatest stack depth: 24000 bytes left
[   61.510847][ T4590] ip (4590) used greatest stack depth: 23616 bytes left
[   75.344831][ T4973] ip (4973) used greatest stack depth: 23592 bytes left