Debian/ubuntu system delete docker virtual bridge

After installing docker, sometimes the docker is uninstalled, and the virtual bridge is still there. At this time, the docker bridge needs to be manually uninstalled

ifconfig to view the name of the network card created by docker, which usually starts with br and docker0

Install the brctl tool

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Fedora/Centos system
 
$ yum install -y bridge-utils
 
Debian/Ubuntu system
 
$ apt-get install -y bridge-utils

stop docker service

systemctl stop docker

Stop the docker virtual network card

ifconfig br-69ec69521ef3 down && ifconfig docker0 down

Delete virtual network card

brctl delbr br-69ec69521ef3 && brctl delbr docker0