Unexpected console messages for selection changes in QTreeView

qt.accessibility.core: Cannot create accessible child interface for object: QTreeView(0x1c7b87e5a90, name = "treeView") index: 5
qt.accessibility.core: Cannot create accessible child interface for object: QTreeView(0x1c7b87e5a90, name = "treeView") index: 5
qt.accessibility.core: Cannot create accessible child interface for object: QTreeView(0x1c7b87e5a90, name = "treeView") index: 5
qt.accessibility.core: Cannot create accessible child interface for object: QTreeView(0x1c7b87e5a90, name = "treeView") index: 5
qt.accessibility.core: Cannot create accessible child interface for object: QTreeView(0x1c7b87e5a90, name = "treeView") index: 5
qt.accessibility.core: Cannot create accessible child interface for object: QTreeView(0x1c7b87e5a90, name = "treeView") index: 6
qt.accessibility.core: Cannot create accessible child interface for object: QTreeView(0x1c7b87e5a90, name = "treeView") index: 6
qt.accessibility.core: Cannot create accessible child interface for object: QTreeView(0x1c7b87e5a90, name = "treeView") index: 6
qt.accessibility.core: Cannot create accessible child interface for object: QTreeView(0x1c7b87e5a90, name = "treeView") index: 6
qt.accessibility.core: Cannot create accessible child interface for object: QTreeView(0x1c7b87e5a90, name = "treeView") index: 6
qt.accessibility.core: Cannot create accessible child interface for object: QTreeView(0x1c7b87e5a90, name = "treeView") index: 5
qt.accessibility.core: Cannot create accessible child interface for object: QTreeView(0x1c7b87e5a90, name = "treeView") index: 5

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class&gt;QTreeViewTestClass</class&gt;
 <widget class="QMainWindow" name="QTreeViewTestClass">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>885</width>
    <height>645</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>QTreeViewTest</string>
  </property>
  <widget class="QWidget" name="centralWidget">
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>
     <widget class="QGroupBox" name="groupBox">
      <property name="enabled">
       <bool>false</bool>
      </property>
      <property name="title">
       <string>GroupBox</string>
      </property>
      <layout class="QVBoxLayout" name="verticalLayout_2">
       <item>
        <widget class="QTreeView" name="treeView">
         <attribute name="headerVisible">
          <bool>false</bool>
         </attribute>
        </widget>
       </item>
      </layout>
     </widget>
    </item>
   </layout>
  </widget>
 </widget>
 <layoutdefault spacing="6" margin="11"/>
 <resources>
  <include location="QTreeViewTest.qrc"/>
 </resources>
 <connections/>
</ui>

#pragma once

#include <QtWidgets/QMainWindow>
#include "ui_QTreeViewTest.h"

class QTreeViewTest : public QMainWindow
{
    Q_OBJECT

public:
    QTreeViewTest(QWidget *parent = Q_NULLPTR);

protected slots:
    void fillTreeView();

private:
    Ui::QTreeViewTestClass ui;

};

#include "QTreeViewTest.h"

#include <QStandardItemModel>
#include <QTimer>

QTreeViewTest::QTreeViewTest(QWidget *parent)
    : QMainWindow(parent)
{
    ui.setupUi(this);

    //ui.groupBox->setEnabled(false);

    QTimer::singleShot(1000, this, &QTreeViewTest::fillTreeView);
}

void QTreeViewTest::fillTreeView()
{
    //ui.groupBox->setEnabled(false);

    QStandardItemModel *model = new QStandardItemModel();

    QStandardItem *parentItem = model->invisibleRootItem();

    parentItem->appendRow(new QStandardItem("row1"));
    parentItem->appendRow(new QStandardItem("row2"));
    parentItem->appendRow(new QStandardItem("row3"));

    parentItem->child(0)->appendRow(new QStandardItem("subrow11"));
    parentItem->child(1)->appendRow(new QStandardItem("subrow21"));
    parentItem->child(2)->appendRow(new QStandardItem("subrow31"));

    ui.treeView->setModel(model);

    ui.groupBox->setEnabled(true);
}