dnm: more logging to debug connection issues

src/service/src/grpc.rs

@@ -98,7 +98,7 @@ where
         metrics: G::STATS,
         params: &GrpcClientParameters,
     ) -> Result<Self, anyhow::Error> {
-        debug!("GrpcClient {}: Attempt to connect", addr);
+        tracing::error!(?params, "GrpcClient {}: Attempt to connect", addr);
 
         let channel = match SocketAddrType::guess(&addr) {
             SocketAddrType::Inet => {
@@ -112,6 +112,7 @@ where
                 if let Some(keep_alive_interval) = params.http2_keep_alive_interval {
                     endpoint = endpoint.http2_keep_alive_interval(keep_alive_interval);
                 }
+                tracing::error!("waiting for inet connect");
                 endpoint.connect().await?
             }
             SocketAddrType::Unix => {
@@ -303,6 +304,7 @@ where
         info!("Starting to listen on {}", listen_addr);
 
         async {
+            tracing::error!("Starting to listen on {}", listen_addr);
             let listener = Listener::bind(listen_addr).await?;
 
             Server::builder()

src/storage-controller/src/instance.rs

@@ -355,6 +355,7 @@ where
     async fn connect(&self) -> ReplicaClient<T> {
         let try_connect = |retry: RetryState| {
             let addrs = &self.config.location.ctl_addrs;
+            tracing::error!("trying to connect to {addrs:?}");
             let dests = addrs
                 .iter()
                 .map(|addr| (addr.clone(), self.metrics.clone()))