I installed the Docker , and when ran a upgrade command , my linode throws an 522 error. I checked the UFW status, it says modprobe : FATAL : module nfnatftp not found in directory /lib/modules/5.8.3-x86_64-li

I can't run

sudo apt update 

command it fails.

i cant login using ssh , my sites are throwing 522. Running

curl -i google.com 

says could not resolve host..

Please help me on this

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