[   15.227630][  T251] ip (251) used greatest stack depth: 24688 bytes left
[   15.839752][  T261] ip (261) used greatest stack depth: 24416 bytes left
[   16.396272][  T274] ip (274) used greatest stack depth: 24344 bytes left
[   17.467290][  T286] ip (286) used greatest stack depth: 24288 bytes left