Wildfly 26 to 31 port offsets

[D E]

We are upgrading from Wildfly 26.1.3.Final to 31.0.1.Final.

In both versions we have edited the port assignments at the bottom of standalone-ha.xml to the following:

    <socket-binding-group name="standard-sockets" default-interface="public" port-offset="${jboss.socket.binding.port-offset:10000}">
        <socket-binding name="ajp" port="14"/>
        <socket-binding name="http" port="15"/>
        <socket-binding name="https" port="18"/>
        <socket-binding name="jgroups-mping" interface="private" multicast-address="${jboss.default.multicast.address:230.0.0.4}" multicast-port="45700"/>
        <socket-binding name="jgroups-tcp" interface="private" port="23"/>
        <socket-binding name="jgroups-tcp-fd" interface="private" port="57600"/>
        <socket-binding name="jgroups-udp" interface="private" port="24" multicast-address="${jboss.default.multicast.address:230.0.0.4}" multicast-port="45688"/>
        <socket-binding name="jgroups-udp-fd" interface="private" port="54200"/>
        <socket-binding name="management-http" interface="management" port="${jboss.management.http.port:1}"/>
        <socket-binding name="management-https" interface="management" port="${jboss.management.https.port:3}"/>
        <socket-binding name="modcluster" multicast-address="${jboss.modcluster.multicast.address:224.0.1.105}" multicast-port="23364"/>
        <socket-binding name="txn-recovery-environment" port="25"/>
        <socket-binding name="txn-status-manager" port="26"/>
        <outbound-socket-binding name="mail-smtp">
            <remote-destination host="${jboss.mail.server.host:localhost}" port="${jboss.mail.server.port:25}"/>
        </outbound-socket-binding>
    </socket-binding-group>

Then we set the offset to, in one case, 27700.

This has been working fine in Wildfly 26, but in Wildfly 31, we get this error:

Caused by: java.lang.IllegalStateException: java.lang.IllegalArgumentException: java.lang.IllegalArgumentException: port out of range:81900

So my guess is that in Wildfly 26, the following was not being modified by the provided offset, but is being so modified in Wildfly 31.  True?

<socket-binding name="jgroups-udp-fd" interface="private" port="54200"/>

And if true, are the others that are now being modified by the offset in Wildfly 31 that were not in Wildfly 26?

Best regards