src/java.base/share/classes/sun/nio/ch/DatagramChannelImpl.java

*** 304,313 ****
--- 304,316 ----
              set.add(StandardSocketOptions.IP_MULTICAST_TTL);
              set.add(StandardSocketOptions.IP_MULTICAST_LOOP);
              if (ExtendedOptionsImpl.flowSupported()) {
                  set.add(jdk.net.ExtendedSocketOptions.SO_FLOW_SLA);
              }
+             if (ExtendedOptionsImpl.reuseportSupported()) {
+                 set.add(jdk.net.ExtendedSocketOptions.SO_REUSEPORT);
+             }
              return Collections.unmodifiableSet(set);
          }
      }
  
      @Override