title: ntplib PermissionError: [Errno 1] Operation not permitted
body: <p>I'm using NTPlib which I'm getting the following error</p>
  <pre class="lang-sh prettyprint-override"><code>&gt;&gt;&gt; import ntplib
  &gt;&gt;&gt; from time import ctime
  &gt;&gt;&gt; c = ntplib.NTPClient()
  &gt;&gt;&gt; response = c.request('ntp.aliyun.com')
  Traceback (most recent call last):
    File &quot;&lt;stdin&gt;&quot;, line 1, in &lt;module&gt;
    File &quot;/opt/lib/python3.7/site-packages/ntplib.py&quot;, line 313, in request
      s.sendto(query_packet.to_data(), sockaddr)
  PermissionError: [Errno 1] Operation not permitted
  &gt;&gt;&gt; response = c.request('ntp.aliyun.com', version=3)
  Traceback (most recent call last):
    File &quot;&lt;stdin&gt;&quot;, line 1, in &lt;module&gt;
    File &quot;/opt/lib/python3.7/site-packages/ntplib.py&quot;, line 313, in request
      s.sendto(query_packet.to_data(), sockaddr)
  PermissionError: [Errno 1] Operation not permitted
  </code></pre>
  <p>How can I solve this problem</p>