Log events for SupervisionError::UnhandledFaultHook (#1987)

Summary: Pull Request resolved: #1987

Reviewed By: moonli

Differential Revision: D87787311

fbshipit-source-id: 8616af081d967aa772f5a6776555200a6cd68b5f

Author: pzhan9

monarch_hyperactor/src/v1/actor_mesh.rs

@@ -266,6 +266,11 @@ impl PythonActorMeshImpl {
                                         .extract::<i32>()
                                         .unwrap();
                                     tracing::error!(
+                                        name = "ActorMeshStatus",
+                                        status = "SupervisionError::UnhandledFaultHook",
+                                        actor_name = failure.mesh_name,
+                                        event = %failure.event,
+                                        rank = failure.rank,
                                         "unhandled event reached unhandled_fault_hook: {}, which is exiting the process with code {}",
                                         failure,
                                         code
@@ -275,6 +280,11 @@ impl PythonActorMeshImpl {
                                     // The callback raised some other exception, and there's
                                     // no way to handle it. Just exit the process anyways
                                     tracing::error!(
+                                        name = "ActorMeshStatus",
+                                        status = "SupervisionError::UnhandledFaultHook",
+                                        actor_name = failure.mesh_name,
+                                        event = %failure.event,
+                                        rank = failure.rank,
                                         "unhandled event reached unhandled_fault_hook: {}, which raised an exception: {:?}. \
                                         Exiting the process with code 1",
                                         failure,
@@ -284,6 +294,11 @@ impl PythonActorMeshImpl {
                                 }
                             } else {
                                 tracing::warn!(
+                                    name = "ActorMeshStatus",
+                                    status = "SupervisionError::UnhandledFaultHook",
+                                    actor_name = failure.mesh_name,
+                                    event = %failure.event,
+                                    rank = failure.rank,
                                     "unhandled event reached unhandled_fault_hook: {}, but that function produced no exception or crash. Ignoring the error",
                                     failure
                                 );