You can also change the IP address and subnet of the bridge via the /etc/docker/daemon.json file (create it if needed). The “bip” entry defines the docker0 subnet. Here is an example of the /etc/docker/daemon.json file:
{
"bip": "172.17.1.1/24",
"ipv6": false,
"storage-driver": "devicemapper",
"storage-opts":
[
"dm.basesize = 41G",
"dm.thinpooldev=/dev/mapper/docker--vg-thinpool",
"dm.use_deferred_removal=true"
]
}