ckdb - make invalid user auth message only debug

src/ckdb.h

@@ -52,7 +52,7 @@
 
 #define DB_VLOCK "1"
 #define DB_VERSION "0.9.6"
-#define CKDB_VERSION DB_VERSION"-0.751"
+#define CKDB_VERSION DB_VERSION"-0.752"
 
 #define WHERE_FFL " - from %s %s() line %d"
 #define WHERE_FFL_HERE __FILE__, __func__, __LINE__

src/ckdb_dbio.c

@@ -4170,7 +4170,7 @@ bool auths_add(PGconn *conn, char *poolinstance, char *username,
 					   by, code, inet, cd, trf_root);
 		} else {
 			char *txt;
-			LOGERR("%s(): unknown user '%s'",
+			LOGDEBUG("%s(): unknown user '%s'",
 				 __func__,
 				 txt = safe_text(username));
 			free(txt);