title: Hitting Linux Kernel bug: Socket accept failed. Duplicate Socket connection on Heorku machine
body: <p>This is the known issue which has been fixed:</p>
  <p>2022-06-11 11:00:30.210 ERROR 4 --- [-33089-Acceptor] org.apache.tomcat.util.net.Acceptor      : Socket accept failed
  2022-06-11T11:00:30.210540+00:00 app[web.1]:
  2022-06-11T11:00:30.210540+00:00 app[web.1]: java.io.IOException: Duplicate accept detected. This is a known OS bug. Please consider reporting that you are affected: <a href="https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1924298" rel="nofollow noreferrer">https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1924298</a>
  2022-06-11T11:00:30.210541+00:00 app[web.1]: at org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:545) ~[tomcat-embed-core-9.0.56.jar!/:na]
  2022-06-11T11:00:30.210541+00:00 app[web.1]: at org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:78) ~[tomcat-embed-core-9.0.56.jar!/:na]
  2022-06-11T11:00:30.210542+00:00 app[web.1]: at org.apache.tomcat.util.net.Acceptor.run(Acceptor.java:129) ~[tomcat-embed-core-9.0.56.jar!/:na]
  2022-06-11T11:00:30.210542+00:00 app[web.1]: at java.lang.Thread.run(Thread.java:750) [na:1.8.0_332-heroku]</p>
  <p>This is fixed recently according to:
  <a href="https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1924298" rel="nofollow noreferrer">https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1924298</a></p>
  <p>How can I report this issue to Heroku technical team to update their Linux to latest?</p>