Fix systemd reload and calico unit

roles/etcd/handlers/main.yml

@@ -1,14 +1,15 @@
 ---
-- name: restart systemd-etcd
+- name: restart etcd
   command: /bin/true
   notify:
     - reload systemd
-    - restart etcd
+    - reload etcd
 
 - name: reload systemd
   command: systemctl daemon-reload
+  when: init_system == "systemd"
 
-- name: restart etcd
+- name: reload etcd
   service:
     name: etcd
     state: restarted