To create a Docker custom Network Bridge custom Network Bridge configuration Docker0__docker

Stop the service first
sudo service docker stop
Down the original bridge.
Ifconfig Docker0 Down
Remove the original Network Bridge
sudo brctl delbr Docker0

Add Network Bridge
sudo brctl addbr bridge0
Configure the Network Bridge IP address
sudo ip addr add 192.168.3.1/24 dev bridge0
Start Network Bridge
Ifconfig bridge0 up

View Network Bridge Information
IP Addr Show Bridge0

There are two ways to make the Docker service use the newly configured Network Bridge: When starting the Docker engine, specify-B-bridge configuration Docker service, the default bridging to the created Network Bridge

echo "docker_opts="-b= "Bridge0" >>/ect/default/docker
sudo service start Docker