fix: suppress urllib3 header warning for SB6141 malformed responses

Author: itsDNNS

app/drivers/sb6141.py

@@ -21,6 +21,10 @@
 
 log = logging.getLogger("docsis.driver.sb6141")
 
+# SB6141 sends malformed HTTP headers (space before colon in Cache-Control),
+# which triggers noisy urllib3 HeaderParsingError warnings on every request.
+logging.getLogger("urllib3.connection").setLevel(logging.ERROR)
+
 
 class SB6141Driver(ModemDriver):
     """Driver for Arris/Motorola SB6141 DOCSIS 3.0 cable modem.