Wait some time before displaying the proxy usage log

common/task/periodic.go

@@ -95,6 +95,12 @@ func (t *Periodic) Start() error {
 	return nil
 }
 
+func (t *Periodic) WaitThenStart() {
+	time.AfterFunc(t.Interval, func() {
+		t.Start()
+	})
+}
+
 // Close implements common.Closable.
 func (t *Periodic) Close() error {
 	t.access.Lock()

proxy/lib/pt_event_logger.go

@@ -13,7 +13,7 @@ func NewProxyEventLogger(logPeriod time.Duration, output io.Writer) event.Snowfl
 	logger := log.New(output, "", log.LstdFlags|log.LUTC)
 	el := &logEventLogger{logPeriod: logPeriod, logger: logger}
 	el.task = &task.Periodic{Interval: logPeriod, Execute: el.logTick}
-	el.task.Start()
+	el.task.WaitThenStart()
 	return el
 }