docker/swarm/network/gwbridge.yml

parameters:
  docker:
    swarm:
      network:
        docker_gwbridge:
          subnet: ${_param:docker_gwbridge_subnet}
          opt:
            com.docker.network.bridge.name: docker_gwbridge
            com.docker.network.bridge.enable_icc: false
            com.docker.network.bridge.enable_ip_masquerade: true