@@ -345,22 +345,22 @@ func (cli *daemonCLI) start(ctx context.Context) (err error) {

 	cli.setupConfigReloadTrap()

-	// after the daemon is done setting up we can notify systemd api

-	notifyReady()

 	log.G(ctx).Info("Daemon has completed initialization")

 	// Daemon is fully initialized. Start handling API traffic

 	// and wait for serve API to complete.

 	var (

-		apiWG  sync.WaitGroup

-		errAPI = make(chan error, 1)

+		apiWG      sync.WaitGroup

+		errAPI     = make(chan error, 1)

+		apiStartWG sync.WaitGroup

 	)

+

+	apiStartWG.Add(len(lss))

 	for _, ls := range lss {

-		apiWG.Add(1)

-		go func(ls net.Listener) {

-			defer apiWG.Done()

+		apiWG.Go(func() {

 			log.G(ctx).Infof("API listen on %s", ls.Addr())

-			if err := httpServer.Serve(ls); err != http.ErrServerClosed {

+			apiStartWG.Done()

+			if err := httpServer.Serve(ls); err != nil && !errors.Is(err, http.ErrServerClosed) {

 				log.G(ctx).WithFields(log.Fields{

 					"error":    err,

 					"listener": ls.Addr(),

@@ -371,8 +371,20 @@ func (cli *daemonCLI) start(ctx context.Context) (err error) {

 				default:

 				}

 			}

-		}(ls)

+		})

 	}

+

+	// Wait for all API listeners to start handling requests.

+	apiStartWG.Wait()

+

+	select {

+	case <-errAPI:

+		// An API listener failed to start; skip notifying systemd that we're ready.

+	default:

+		// All API listeners started handling requests; notify systemd that we're ready.

+		notifyReady()

+	}

+

 	apiWG.Wait()

 	close(errAPI)