PPBHX: DF-5627 stack dirtied 0x41 -> protocol=0x00000000
PPBHX: DF-5627 stack dirtied 0x42 -> protocol=0x00000000
PPBHX: DF-5627 stack dirtied 0x43 -> protocol=0x00000000
PPBHX: DF-5627 fake controller read_ivar returned ENOENT without writing (ppb_base.c:105 discards it); the return value is stale stack content -> in-tree consumer mode2xfer (ppb_msq.c:85) would take the default PANIC branch (DF-5576) or silently pick the wrong EPP protocol