It doesn’t show you or tell you but IPV6 is enabled. Many networks don’t like IPV6 (it’s a policy thing).
In the WebUI there should be a way to disable IPV6 for the interface.
In the web ui it should show the Network Status for wired & wireless. Also showing IPV6 addresses.
To see them now you have to go to busy box terminal.
Using the terminal I was able to go into the connman configuration and easily disable this for the Ethernet interface (eth0).
Using terminal and going to /etc/kvmd/user/connman/ethernet*/settings:
IPv6.method=off
After that rebooting and IPV6 is disabled on ethernet inteface eth0.
This should be very easy to add to the WebUI functionality.
Thank you for your valuable request and suggestions.
I will submit this request to the R&D team for evaluation.