google cloud platform – Unable to reach OpenVPN DNS /Public IP URL

Has anyone seen these error before with OpenVPN.

Secure Connection Failed

An error occurred during a connection to openvpn.example.com. PR_END_OF_FILE_ERROR

    The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
    Please contact the website owners to inform them of this problem.

I looked at the log file :/var/log/ openvpnas.log I found the following:

2021-09-14T19:58:23+0000 (stdout#info) (OVPN 0) OUT: 'Tue Sep 14 19:58:23 2021 myip:11301 Connection reset, restarting (0)'
2021-09-14T19:58:23+0000 (stdout#info) (OVPN 0) OUT: 'Tue Sep 14 19:58:23 2021 myip:11301 SIGUSR1(soft,connection-reset) received, client-instance restarting'
2021-09-14T19:59:13+0000 (stdout#info) (OVPN 0) OUT: 'Tue Sep 14 19:59:13 2021 TCP connection established with (AF_INET)myip:10603'
2021-09-14T19:59:13+0000 (stdout#info) (OVPN 0) OUT: 'Tue Sep 14 19:59:13 2021 Socket flags: TCP_NODELAY=1 succeeded'
2021-09-14T19:59:13+0000 (stdout#info) (OVPN 0) OUT: 'Tue Sep 14 19:59:13 2021 myip:10603 WARNING: Bad encapsulated packet length from peer (5635), which must be > 0 and <= 1627 -- please ensure that --tun-mtu or -
-link-mtu is equal on both peers -- this condition could also indicate a possible active attack on the TCP link -- (Attempting restart...)'
2021-09-14T19:59:13+0000 (stdout#info) (OVPN 0) OUT: 'Tue Sep 14 19:59:13 2021 myip:10603 Connection reset, restarting (0)'
2021-09-14T19:59:13+0000 (stdout#info) (OVPN 0) OUT: 'Tue Sep 14 19:59:13 2021 myip:10603 SIGUSR1(soft,connection-reset) received, client-instance restarting'

It seems like my request is making it to the instance as per logs in the GCP logging

{
insertId: “148f4tog64jclgg”
jsonPay

load: {
connection: {
dest_ip: "*******"
dest_port: 443
protocol: 6
src_ip: "*********"
src_port: ****
}
disposition: "ALLOWED"
instance: {

but have no idea why its getting dropped. Has anyone experience similar?