docker 默认的bridge ip（bip）是 172.17.0.1/16
# cat /etc/docker/daemon.json
{
"exec-opts": ["native.cgroupdriver=systemd"],
"bip": "10.87.0.1/16",
"registry-mirrors": [
"https://dockerhub.azk8s.cn",
"https://docker.mirrors.ustc.edu.cn",
"http://hub-mirror.c.163.com"
],
"insecure-registries": ["k8s-harbor.example.com"],
"max-concurrent-downloads": 10,
"log-driver": "json-file",
"log-level": "warn",
"log-opts": {
"max-size": "50m",
"max-file": "5"
},
"data-root": "/data/docker"
}
# systemctl restart docker
# systemctl status docker
# ip addr list
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