downgrade message not delivered log (#286)

Summary:
Pull Request resolved: #286

{F1979406377}

Reviewed By: shayne-fletcher

Differential Revision: D76820625

fbshipit-source-id: 9f86fc9977c34a4f8d745c266c5d1ab0a9b42537

Author: LucasLLC

hyperactor_mesh/src/proc_mesh/mesh_agent.rs

@@ -138,7 +138,7 @@ impl Actor for MeshAgent {
         undelivered: Undeliverable<MessageEnvelope>,
     ) -> Result<(), anyhow::Error> {
         let Undeliverable(ref envelope) = undelivered;
-        tracing::info!("took charge of a message not delivered: {}", envelope);
+        tracing::debug!("took charge of a message not delivered: {}", envelope);
 
         let sender = envelope.sender().clone();
         if this.self_id() == &sender {