"Maze Route cannot find path..." in asap7/ibex autotuner

[maliberty]

Describe the bug

When using the autotuner of asap7/ibex I get number of failed runs with a similar error:

Failed to find a path between pin  and source aps:
( 231 3 3 ) (Idx) / ( 84156 12 ) (coords)
( 235 3 3 ) (Idx) / ( 84204 12 ) (coords)
extBBox (xDim, yDim, zDim) = (239, 527, 10)
[ERROR DRT-0255] Maze Route cannot find path of net boot_addr_i[18] in worker of routeBox ( 83160 0 ) ( 84226 3780 ).
Error: detail_route.tcl, 47 DRT-0255

Expected Behavior

No error

Environment

OR eabc5a77aee337d84051465d8bd75f141d656e02
ORFS b9e0081d0782667066a16f901209b7e89d8c8915

To Reproduce

https://drive.google.com/file/d/11L9R9AEmiZKREUNTQkdfAn87KEL8JpSH/view?usp=sharing

Relevant log output

[INFO DRT-0195] Start 0th optimization iteration.
    Completing 10% with 0 violations.
    elapsed time = 00:00:20, memory = 1888.18 (MB).
    Completing 20% with 0 violations.
    elapsed time = 00:00:37, memory = 2846.69 (MB).
Failed to find a path between pin  and source aps:
( 231 3 3 ) (Idx) / ( 84156 12 ) (coords)
( 235 3 3 ) (Idx) / ( 84204 12 ) (coords)
extBBox (xDim, yDim, zDim) = (239, 527, 10)
[ERROR DRT-0255] Maze Route cannot find path of net boot_addr_i[18] in worker of routeBox ( 83160 0 ) ( 84226 3780 ).
Error: detail_route.tcl, 47 DRT-0255

Screenshots

No response

Additional Context

No response

[maliberty]

67/100 runs had this error