close all UDP connections when the reuse is closed

p2p/transport/quic/reuse.go

@@ -193,5 +193,15 @@ func (r *reuse) Listen(network string, laddr *net.UDPAddr) (*reuseConn, error) {
 func (r *reuse) Close() error {
 	close(r.closeChan)
 	<-r.gcStopChan
+	r.mutex.Lock()
+	for _, conn := range r.global {
+		conn.Close()
+	}
+	for _, conns := range r.unicast {
+		for _, conn := range conns {
+			conn.Close()
+		}
+	}
+	r.mutex.Unlock()
 	return nil
 }