moved some dubug logs to warning level

proxy/fake_tls.py

@@ -213,7 +213,7 @@ async def proxy_to_masking_domain(reader, writer, initial_data: bytes,
         up_reader, up_writer = await asyncio.wait_for(
             asyncio.open_connection(domain, 443), timeout=10)
     except Exception as exc:
-        log.debug("[%s] masking: cannot connect to %s:443: %s",
+        log.warning("[%s] masking: cannot connect to %s:443: %s",
                   label, domain, repr(exc))
         return