so recently, i was trying to run "do-release-upgrade" in my 18.04 instance to upgrade version.
but while upgrading, i accidently closed my ssh connection. Then i tried to reconnect but i got "connection refused" message and couldn't connect. Also i can't connect to http server running.
I set my ssh port to 22818, but it seems like the iptable rules has been reset while upgrading.
I checked nmap port scan and the only port opened is 22.
But the problem is... the instance has "endlessh" installed which prevents ssh login to port 22.
So i cant even connrct to port 22.
i tried cloud shell console connection but it keep saying incorrect login.
How can i solve this problem?