[  286.097343][ T4974] ip (4974) used greatest stack depth: 24432 bytes left
[  299.996582][ T5115] ip (5115) used greatest stack depth: 24368 bytes left
[  438.032624][ T6479] ip (6479) used greatest stack depth: 23248 bytes left
[  509.936264][ T6968] ip (6968) used greatest stack depth: 22912 bytes left