<p dir="auto">I followed the guestbook  guide and encountered below problem:</p>
<p dir="auto">k8s version: release 0.13</p>
<h1 dir="auto">Curl test</h1>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="
root@uminion:~# curl &quot;192.168.40.11:8000/index.php?cmd=set&amp;key=messages&amp;value=jay_sais_hi&quot;
&lt;br /&gt;
&lt;b&gt;Fatal error&lt;/b&gt;:  Uncaught exception 'Predis\Connection\ConnectionException' with message 'php_network_getaddresses: getaddrinfo failed: Name or service not known [tcp://redis-master:6379]' in /vendor/predis/predis/lib/Predis/Connection/AbstractConnection.php:141
Stack trace:
#0 /vendor/predis/predis/lib/Predis/Connection/StreamConnection.php(96): Predis\Connection\AbstractConnection-&amp;gt;onConnectionError('php_network_get...', 0)
#1 /vendor/predis/predis/lib/Predis/Connection/StreamConnection.php(70): Predis\Connection\StreamConnection-&amp;gt;tcpStreamInitializer(Object(Predis\Connection\ConnectionParameters))
#2 /vendor/predis/predis/lib/Predis/Connection/AbstractConnection.php(96): Predis\Connection\StreamConnection-&amp;gt;createResource()
#3 /vendor/predis/predis/lib/Predis/Connection/StreamConnection.php(144): Predis\Connection\AbstractConnection-&amp;gt;connect()
#4 /vendor/predis/predis/lib/Predis/Connection/AbstractConnection.php(181): Predis\Connection\StreamConnection-&amp;gt;connect()
#5 /vendor/predis/predis/lib/Predis/Connection/StreamConnecti in &lt;b&gt;/vendor/predis/predis/lib/Predis/Connection/AbstractConnection.php&lt;/b&gt; on line &lt;b&gt;141&lt;/b&gt;&lt;br /&gt;
"><pre class="notranslate"><code class="notranslate">
root@uminion:~# curl "192.168.40.11:8000/index.php?cmd=set&amp;key=messages&amp;value=jay_sais_hi"
&lt;br /&gt;
&lt;b&gt;Fatal error&lt;/b&gt;:  Uncaught exception 'Predis\Connection\ConnectionException' with message 'php_network_getaddresses: getaddrinfo failed: Name or service not known [tcp://redis-master:6379]' in /vendor/predis/predis/lib/Predis/Connection/AbstractConnection.php:141
Stack trace:
#0 /vendor/predis/predis/lib/Predis/Connection/StreamConnection.php(96): Predis\Connection\AbstractConnection-&amp;gt;onConnectionError('php_network_get...', 0)
#1 /vendor/predis/predis/lib/Predis/Connection/StreamConnection.php(70): Predis\Connection\StreamConnection-&amp;gt;tcpStreamInitializer(Object(Predis\Connection\ConnectionParameters))
#2 /vendor/predis/predis/lib/Predis/Connection/AbstractConnection.php(96): Predis\Connection\StreamConnection-&amp;gt;createResource()
#3 /vendor/predis/predis/lib/Predis/Connection/StreamConnection.php(144): Predis\Connection\AbstractConnection-&amp;gt;connect()
#4 /vendor/predis/predis/lib/Predis/Connection/AbstractConnection.php(181): Predis\Connection\StreamConnection-&amp;gt;connect()
#5 /vendor/predis/predis/lib/Predis/Connection/StreamConnecti in &lt;b&gt;/vendor/predis/predis/lib/Predis/Connection/AbstractConnection.php&lt;/b&gt; on line &lt;b&gt;141&lt;/b&gt;&lt;br /&gt;

</code></pre></div>
<p dir="auto">I don't know why they are there.</p>
<h1 dir="auto">Flannel IP</h1>
<p dir="auto">Flannel's IP is same in all minions, Is that all right?</p>
<p dir="auto">Something is leaving a PD around and causing <code class="notranslate">kube-up</code> on GCE to block partway up (which is disruptive when you're trying to just create a cluster while grabbing coffee):</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="Looking for already existing resources
Persistent disk kubernetes-kube-system-kube-registry found.
Would you like to shut down the old cluster (call kube-down)? [y/N] 
Starting master and configuring firewalls"><pre class="notranslate"><code class="notranslate">Looking for already existing resources
Persistent disk kubernetes-kube-system-kube-registry found.
Would you like to shut down the old cluster (call kube-down)? [y/N] 
Starting master and configuring firewalls
</code></pre></div>
<p dir="auto">I've had this happen pretty consistently on a clean project, clean build, <code class="notranslate">kube-down</code> / <code class="notranslate">kube-up</code>. Seems like an easy bug to fix.</p>