Containers doesn't attach to Swarm network

Hi guys,

I'm trying to create a swarm service that is running across two nodes:

                    container_spec = docker.types.ContainerSpec(
                        image=service.get("image"),
                        env=service["environment"],
                        mounts=service["volumes"],
                        command=service["command"],
                        labels={"task": str(task_id)},
                    )
                    task_tmpl = docker.types.TaskTemplate(
                        container_spec=container_spec,
                        networks=[network.id],
                        placement=docker.types.Placement(constraints=service["deploy"]["placement"]["constraints"])
                    )
                    docker_service = client.create_service(
                        task_template=task_tmpl,
                        name=f"{task_id}_master",
                        mode=service["deploy"]["mode"],
                        networks=[network.id],
                        labels={"task": str(task_id)},
                    )
    network = client.networks.create(
        name=f"{task_id}_default", scope="swarm", driver="overlay", labels={"task": str(task_id)}, attachable=True
    )

The problem is that the containers on the the second node doesn't connect to the network.
It doesn't matter if I inspect with client.networks.list(filters={"label": f"task={task_id}"}, greedy=True)[0] or use the docker cli

Any ideas?

Reproduce the two-node Swarm setup from the issue, starting with client.networks.create, create_service, and networks.list and comparing the network state on both nodes. Determine why the service containers on the second node are not attached, then verify that the reported network inspection and CLI output show the expected attachment.