only instantiate keystore if not already set

apps/gg_bridge.py

@@ -339,8 +339,7 @@ async def run(
 
         # Create a UDP to TX bridge (receive from TX, send to UDP)
         bridge.tx_socket, _ = await loop.create_datagram_endpoint(
-            # pylint: disable-next=unnecessary-lambda
-            lambda: asyncio.DatagramProtocol(),
+            asyncio.DatagramProtocol,
             remote_addr=(send_host, send_port),
         )
 

bumble/device.py

@@ -1179,6 +1179,7 @@ class Device(CompositeEventEmitter):
 
         # Instantiate the Key Store (we do this here rather than at __init__ time
         # because some Key Store implementations use the public address as a namespace)
+        if self.keystore is None:
             self.keystore = KeyStore.create_for_device(self)
 
         if self.host.supports_command(HCI_WRITE_LE_HOST_SUPPORT_COMMAND):