Services no longer print out errors when they shut down

cmd/router/srvhnakra/hnakra.go

@@ -11,6 +11,8 @@ type Server struct {
 	underlying net.Listener
 	Config     config.Config
 	Router     *router.Router
+
+	running bool
 }
 
 func (server *Server) Run () (err error) {
@@ -18,17 +20,25 @@ func (server *Server) Run () (err error) {
 		"tcp", fmt.Sprint(":", server.Config.RouterPort()),
 		config.TLSConfigFor(server.Config))
 	if err != nil { return err }
-	
+
+	server.running = true
 	log.Println(".// router on", server.underlying.Addr())
 
 	for {
 		conn, err := server.underlying.Accept()
-		if err != nil { return err }
+		if err != nil {
+			if server.running {
+				return err
+			} else {
+				return nil
+			}
+		}
 		log.Println("-=E incoming connection from", conn.RemoteAddr())
 		server.Router.Accept(conn)
 	}
 }
 
 func (server *Server) Shutdown () error {
+	server.running = false
 	return server.underlying.Close()
 }