[   57.091635][ T4647] ip (4647) used greatest stack depth: 24408 bytes left
[   57.311218][ T4655] ip (4655) used greatest stack depth: 24288 bytes left
[   67.712217][ T4952] ip (4952) used greatest stack depth: 23984 bytes left
[   88.410234][ T6071] ip (6071) used greatest stack depth: 23664 bytes left