Not sure why the router log didn't show anything for the OpenVPN connection.
This is the openvpn log from the phone:
[May 15, 2023, 09:01:59] Transport Error: Transport error on 'XXX.asuscomm.com: NETWORK_EOF_ERROR
[May 15, 2023, 09:01:59] Client terminated, restarting in 5000 ms...
[May 15...