ens18 is the new interface for swarm need to put this in a param

tasks/swarm-bootstrap.yml

@@ -1,7 +1,7 @@
 ---
 - name: Initialize swarm on the bootstrap manager
   command: >
-    docker swarm init --advertise-addr "{{ ansible_eth0.ipv4.address }}"
+    docker swarm init --advertise-addr "{{ ansible_ens18.ipv4.address }}"
   register: docker_swarm_init
   changed_when: docker_swarm_init.rc == 0
   ignore_errors: true
@@ -19,4 +19,4 @@
 - name: Set work and manager key facts
   set_fact:
     manager_key: "{{ manager_key }}"
-    worker_key: "{{ worker_key }}"
+    worker_key: "{{ worker_key }}"