UB5517[L]: lifecycle open -> TIOCSBRK -> TIOCCBRK -> close on the real production callback
UB5517: EP0 SENT bRequest=0x02 wValue=0x00 (VENDOR_SET_BREAK)
UB5517: EP0 SENT bRequest=0x03 wValue=0x00 (VENDOR_CLEAR_BREAK) (timeout changed?)
UB5517[L]: lifecycle complete
UB5517: PHASE L lifecycle request sequence = { 0x02, 0x03 } (2 request(s); VENDOR_CLEAR_BREAK=0x03 OBSERVED)
UB5517[D]: direct production calls: set_break(1); set_break(0)
UB5517: EP0 SENT bRequest=0x02 wValue=0x00 (VENDOR_SET_BREAK)
UB5517: EP0 SENT bRequest=0x03 wValue=0x00 (VENDOR_CLEAR_BREAK) (timeout changed?)
UB5517: PHASE D direct set+clear request sequence = { 0x02, 0x03 } (2 request(s); VENDOR_CLEAR_BREAK=0x03 OBSERVED)
UB5517: harness complete