di.xml

<?xml version="1.0"?>
<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <preference for="Magento\Quote\Model\Quote\Address\RateCollectorInterface" type="Magento\Shipping\Model\Shipping" />
    <preference for="Magento\Shipping\Model\CarrierFactoryInterface" type="Magento\Shipping\Model\CarrierFactory" />
    <preference for="Magento\Shipping\Model\Carrier\Source\GenericInterface" type="Magento\Shipping\Model\Carrier\Source\GenericDefault" />

    <virtualType name="Magento\Shipping\Model\Carrier\VirtualDebug" type="Magento\Framework\Logger\Handler\Base">
        <arguments>
            <argument name="fileName" xsi:type="string">/var/log/shipping.log</argument>
        </arguments>
    </virtualType>
    <virtualType name="Magento\Shipping\Model\Method\VirtualLogger" type="Magento\Framework\Logger\Monolog">
        <arguments>
            <argument name="handlers" xsi:type="array">
                <item name="debug" xsi:type="object">Magento\Shipping\Model\Carrier\VirtualDebug</item>
            </argument>
        </arguments>
    </virtualType>
    <type name="Magento\Shipping\Model\Carrier\AbstractCarrier">
        <arguments>
            <argument name="logger" xsi:type="object">Magento\Shipping\Model\Method\VirtualLogger</argument>
        </arguments>
    </type>
</config>