{
    my $bridge = $DB->get('bridge') || $DB->new_record('bridge', {type => 'service'});
    my $brStatus = $bridge->prop('status') || 'enabled';

    # Return nothing if bridge is disabled
    return "" if ($brStatus eq 'disabled');

    my $br = $bridge->prop('bridgeInterface') || 'br0';
    my $IntIfConf = $DB->get('InternalInterface');
    my $IntIfName = $IntIfConf->prop('Name');

    # If the InternalInterface Name is the same as the bridge, there's nothing to do
    return "" if ($IntIfName eq $br);

    # else, we store the old InternalInterface Name in ethernetInterface
    # and we set the InternalInterface to be the bridge

    $bridge->set_prop('ethernetInterface',$IntIfName);
    $IntIfConf->set_prop('Name',$br);
}