more debugging

mixnode/src/node/mod.rs

@@ -325,6 +325,10 @@ impl MixNode {
         if self.check_if_bonded().await {
             warn!("You seem to have bonded your mixnode before starting it - that's highly unrecommended as in the future it might result in slashing");
         }
+        println!(
+            "Secret key start : {:?}",
+            self.identity_keypair.private_key()
+        );
 
         let shutdown = TaskManager::default();