DockerCLI/docs/reference/commandline/network_disconnect.md

network disconnect

Usage:  docker network disconnect [OPTIONS] NETWORK CONTAINER

Disconnects a container from a network

  --help=false       Print usage

Disconnects a running container from a network.

  $ docker network create -d overlay multi-host-network
  $ docker run -d --net=multi-host-network --name=container1 busybox top
  $ docker network disconnect multi-host-network container1

the container will be disconnected from the network.