title: Fatal: Error starting protocol stack: listen tcp 127.0.0.1:8551: bind: Only one usage of each socket address is normally permitted
body: <p>I'm trying to create three nodes with one private chain.</p>
  <p>node1 is successfully created.
  But node2 and node3 showing the following error.</p>
  <pre><code>Fatal: Error starting protocol stack: listen tcp 127.0.0.1:8551: bind: Only one usage of each socket address (protocol/network address/port) is normally permitted.
  </code></pre>
  <p>command used in node1</p>
  <pre><code>geth --networkid 15 --http --http.addr &quot;0.0.0.0&quot; --http.port &quot;8549&quot; --http.api &quot;web3,net,eth,admin,personal&quot; --http.corsdomain &quot;*&quot; --datadir nodedata0 --ipcdisable --allow-insecure-unlock --rpc.allow-unprotected-txs console
  </code></pre>
  <p>command used in node2</p>
  <pre><code>geth --http --http.port 8550 --nodiscover --datadir  &quot;./nodedata1&quot;  --port 30304 --http.api &quot;web3,net,eth,admin,personal&quot; --http.corsdomain &quot;*&quot; --networkid 15 --ipcdisable --allow-insecure-unlock --rpc.allow-unprotected-txs console
  </code></pre>
  <p>command use in node3</p>
  <pre><code>geth --http --http.port 8552 --nodiscover --datadir  &quot;./nodedata2&quot;  --port 30307 --http.api &quot;web3,net,eth,admin,personal&quot; --http.corsdomain &quot;*&quot; --networkid 15 --ipcdisable console
  </code></pre>
  <p>Please give some advance kindly, thanks a lot.</p>