Fix systemd/lxc-net.service

prepare_lxc_hosts.yml

@@ -91,12 +91,34 @@
         backup: yes
 
 
+    - name: lxc-net with systemd
+      block:
+        - name: Stop lxc-net service
+          systemd:
+            name: lxc-net
+            state: stopped
+
+        - name: Disable lxc-net service
+          systemd:
+            name: lxc-net
+            enabled: no
+
+        - name: Mask lxc-net service
+          systemd:
+            name: lxc-net
+            masked: yes
+      when: ansible_service_mgr == "systemd"
+
+
+    - name: lxc-net without systemd
+      block:
         - name: Disable lxc-net
           service:
             name: lxc-net
             enabled: no
             state: stopped
           ignore_errors: yes
+      when: ansible_service_mgr != "systemd"
 
 
     - name: Bring up br-lxc