java.io.IOException: Duplicate accept detected errors in Apache Tomcat logs

Issue

• Apache/Tomcat drops new connections and records "duplication accept detected" in log (example):

  java.io.IOException: Duplicate accept detected. This is a known OS bug. Please consider reporting that you are affected: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1924298
          at org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:545) ~[tomcat-embed-core-9.0.56.jar!/:?]
          at org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:78) ~[tomcat-embed-core-9.0.56.jar!/:?]
          at org.apache.tomcat.util.net.Acceptor.run(Acceptor.java:129) [tomcat-embed-core-9.0.56.jar!/:?]
          at java.lang.Thread.run(Thread.java:750) [?:1.8.0_402]