Bind Docker service to containerd.service on versions >=18.09.1 (#5477)

roles/container-engine/docker/templates/docker.service.j2

@@ -3,12 +3,15 @@ Description=Docker Application Container Engine
 Documentation=http://docs.docker.com
 {% if ansible_os_family == "RedHat" %}
 After=network.target {{ ' docker-storage-setup.service' if docker_container_storage_setup else '' }}{{ ' containerd.service' if installed_docker_version.stdout is version('18.09.1', '>=') else '' }}
+{{ 'BindsTo=containerd.service' if installed_docker_version.stdout is version('18.09.1', '>=') }}
 {{ 'Wants=docker-storage-setup.service' if docker_container_storage_setup else '' }}
 {% elif ansible_os_family == "Debian" %}
 After=network.target docker.socket{{ ' containerd.service' if installed_docker_version.stdout is version('18.09.1', '>=') else '' }}
+{{ 'BindsTo=containerd.service' if installed_docker_version.stdout is version('18.09.1', '>=') }}
 Wants=docker.socket
 {% elif ansible_os_family == "Suse" %}
 After=network.target{{ ' containerd.service' if installed_docker_version.stdout is version('18.09.1', '>=') else '' }}
+{{ 'BindsTo=containerd.service' if installed_docker_version.stdout is version('18.09.1', '>=') }}
 {% endif %}
 
 [Service]