QML QQuickScaleGrid: Binding loop detected for property

With the qml code below,

import QtQuick 2.9

BorderImage {
    id: name
    width: 120
    height: 120
    source: "icon.png"
    border.left: 2
    border.right: border.left
    border.top: 2
    border.bottom: border.top
}

the binding loop errors below happened:

<Unknown File>: QML QQuickScaleGrid: Binding loop detected for property "right"
<Unknown File>: QML QQuickScaleGrid: Binding loop detected for property "bottom"

The code ran on Ubuntu 16.04.