The out-of-the-box install of Docker includes a few built-in network drivers. These are also known as local drivers. The two most commonly used drivers are the bridge network driver and the overlay network driver. Other built-in drivers include none, host, and MACVLAN. Also, without your creating networks, your fresh install will have a few networks pre-created and ready to use. Using the network ls command, we can easily see the list of pre-created networks available in the fresh installation:
In this list, you will notice that each network has its unique ID, a name, a driver used to create it (and that controls it), and a network scope. Don't confuse a scope of local with the category of driver, which is also local. The local category is used to differentiate the driver's origin from third-party drivers that have a category of remote...