libnetwork/docs/bridge.md

Bridge Driver

The bridge driver is an implementation that uses Linux Bridging and iptables to provide connectivity for containers It creates a single bridge, called docker0 by default, and attaches a veth pair between the bridge and every endpoint.

Configuration

The bridge driver supports configuration through the Docker Daemon flags.

## Usage

This driver is supported for the default "bridge" network only and it cannot be used for any other networks.