config_tables: Emit warning when finding a duplicate confige table en…

…tries

towboot/src/boot/config_tables.rs

@@ -33,6 +33,7 @@ pub(super) fn parse_for_multiboot(info_builder: &mut InfoBuilder) {
         // causing a panic in the multiboot crate.
         // As a fix, we store all already handled GUIDs in a set, which we use to skip duplicates.
         if handled_guids.contains(&table.guid) {
+            warn!("multiple configuration tables with guid {}", table.guid);
             continue;
         }