External config override on advance networking public address looks also to override/default config element in same level

[ghost]

• Member have initial config as given below under advance-network

<client-server-socket-endpoint-config>
            <port auto-increment="false">9000</port>
            <public-address>172.29.1.1</public-address>
        </client-server-socket-endpoint-config>

• We override given config with below

-Dhz.advanced-network.client-server-socket-endpoint-config.public-address=172.29.1.1

<client-server-socket-endpoint-config>
            <port auto-increment="false">9000</port>
            <public-address>255.255.255.0</public-address>
        </client-server-socket-endpoint-config>

• Logs indicate that bound port value is 5702 ⚠️

2020-10-05T11:03:13.149982678Z INFO: Detected external configuration overrides in system properties: [hazelcast.advanced-network.client-server-socket-endpoint-config.public-address=172.29.1.1]
2020-10-05T11:03:13.292829351Z Oct 05, 2020 11:03:13 AM com.hazelcast.instance.AddressPicker
2020-10-05T11:03:13.292855309Z INFO: [LOCAL] [dev] [4.1-advancednetworkit] Interfaces is enabled, trying to pick one address matching to one of: [172.28.1.1, 172.28.*.*]
2020-10-05T11:03:13.326795232Z Oct 05, 2020 11:03:13 AM com.hazelcast.instance.AddressPicker
2020-10-05T11:03:13.326836470Z INFO: [LOCAL] [dev] [4.1-advancednetworkit] Interfaces is disabled, trying to pick one address from TCP-IP config addresses: [172.28.1.1]
2020-10-05T11:03:13.329808389Z Oct 05, 2020 11:03:13 AM com.hazelcast.instance.AddressPicker
2020-10-05T11:03:13.329830514Z INFO: [LOCAL] [dev] [4.1-advancednetworkit] Using public address: [172.29.1.1]:5702
2020-10-05T11:03:13.490705648Z Oct 05, 2020 11:03:13 AM com.hazelcast.system

• Below are the logs when we run w/out overriding config with proper public address, it binds to configured port as 9000, yet when overridden only public address it binds to 5702

2020-10-05T11:09:24.668201216Z INFO: [LOCAL] [dev] [4.1-advancednetworkit] Interfaces is enabled, trying to pick one address matching to one of: [172.28.1.1, 172.28.*.*]
2020-10-05T11:09:24.679077349Z Oct 05, 2020 11:09:24 AM com.hazelcast.instance.AddressPicker
2020-10-05T11:09:24.679108009Z INFO: [LOCAL] [dev] [4.1-advancednetworkit] Interfaces is disabled, trying to pick one address from TCP-IP config addresses: [172.28.1.1]
2020-10-05T11:09:24.679817266Z Oct 05, 2020 11:09:24 AM com.hazelcast.instance.AddressPicker
2020-10-05T11:09:24.679831147Z INFO: [LOCAL] [dev] [4.1-advancednetworkit] Using public address: [172.29.1.1]:9000

• kindly check or guide
• It could be similar or duplication of External config override for rest-api looks discarding optional second level of control for endpoint groups #17675