change the log level to error for conditional attribute check

the log level should match the return value, since the return value is error,
the log level should be error too.

meta/sai_meta.cpp

@@ -1531,7 +1531,7 @@ sai_status_t meta_generic_validation_create(
             // maybe we can let it go here?
             if (attrs.find(md.attrid) != attrs.end())
             {
-                META_LOG_DEBUG(md, "conditional, but condition was not met, this attribute is not required, but passed");
+                META_LOG_ERROR(md, "conditional, but condition was not met, this attribute is not required, but passed");
 
                 return SAI_STATUS_INVALID_PARAMETER;
             }