Semantic update of local address to private address and optimizations for slow connections.

tasks/main.yml

diff --git a/tasks/main.yml b/tasks/main.yml
index f3deff9..e353d39 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -3,7 +3,7 @@
 - name: Zookeeper data port connectivity status
   wait_for:
     port: '{{ zk_data_port }}'
-    host: '{{ local_address }}'
+    host: '{{ private_address }}'
     timeout: 1
   register: zk_data_port_status
   ignore_errors: yes
@@ -11,7 +11,7 @@
 - name: Zookeeper leader port connectivity status
   wait_for:
     port: '{{ zk_leader_port }}'
-    host: '{{ local_address }}'
+    host: '{{ private_address }}'
     timeout: 1
   register: zk_leader_port_status
   ignore_errors: yes
@@ -19,7 +19,7 @@
 - name: Zookeeper voter port connectivity status
   wait_for:
     port: '{{ zk_voter_port }}'
-    host: '{{ local_address }}'
+    host: '{{ private_address }}'
     timeout: 1
   register: zk_voter_port_status
   ignore_errors: yes