The master node can't access when the v2plugin was installd.

[wangxf1987]

The master node can't access when the v2plugin was installd.

`TASK [contiv_network : install v2plugin on master nodes] ***********************
changed: [node1]

TASK [contiv_network : for v2 plugin, extract netctl binary] *******************
fatal: [node1]: UNREACHABLE! => {"changed": false, "msg": "timed out", "unreachable": true}
to retry, use: --limit @/ansible/install_plays.retry

PLAY RECAP *********************************************************************
node1 : ok=15 changed=9 unreachable=1 failed=0
node2 : ok=8 changed=6 unreachable=0 failed=0
node3 : ok=8 changed=6 unreachable=0 failed=0 `

When access the master node use ssh, It's failure.
ssh [email protected] ssh: connect to host 172.19.146.117 port 22: Operation timed out

netmaster.log.lastrun
time="Sep 13 02:41:33.654316750" level=info msg="Listen IP:Port :9999" time="Sep 13 02:41:33.654458358" level=info msg="Control IP:Port 172.19.146.117:9999" time="Sep 13 02:41:33.654477710" level=info msg="docker v2plugin name (netplugin) updated to contiv/v2plugin:1.1.2" time="Sep 13 02:41:33.655714086" level=error msg="Failed to connect to etcd. Err: client: etcd cluster is unavailable or misconfigured" time="Sep 13 02:41:33.655749774" level=error msg="Error creating client etcd to url localhost:2379. Err: client: etcd cluster is unavailable or misconfigured" time="Sep 13 02:41:33.655769241" level=fatal msg="Error connecting to state store: etcd://localhost:2379. Err: client: etcd cluster is unavailable or misconfigured"

netplugin.log.lastrun
time="Sep 13 02:41:33.678666682" level=error msg="Failed to connect to etcd. Err: client: etcd cluster is unavailable or misconfigured" time="Sep 13 02:41:33.678760069" level=error msg="Error creating client etcd to url localhost:2379. Err: client: etcd cluster is unavailable or misconfigured" time="Sep 13 02:41:33.678772587" level=fatal msg="Error initializing cluster. Err: client: etcd cluster is unavailable or misconfigured"