core (xmpp): specify profile when logging a connection problem

sat/core/xmpp.py

@@ -385,9 +385,7 @@ class SatXMPPEntity:
                 # TODO: create a ticket upstream, Twisted should work when optimization
                 #       is used
                 reason_str = str(reason.value.__class__)
-            log.warning("Connection {term_type}: {reason}".format(
-                term_type = term_type,
-                reason=reason_str))
+            log.warning(f"[{self.profile}] Connection {term_type}: {reason_str}")
         if not self.host_app.trigger.point("connection_" + term_type, connector, reason):
             return
         return cb(connector, reason)