Could you add the output from those commands
$ journalctl -f
click the toggle and copy what was printed in the log
$ nmcli d status
do you get any error if you start manually?
$ /usr/lib/vino/vino-server
also what interface is the settings panel listing at the bottom is that your correct eth one? the return code seems to suggest n-m thinks you are offlin
Could you add the output from those commands
$ journalctl -f
click the toggle and copy what was printed in the log
$ nmcli d status
do you get any error if you start manually? vino/vino- server
$ /usr/lib/
also what interface is the settings panel listing at the bottom is that your correct eth one? the return code seems to suggest n-m thinks you are offlin