Comment 9 for bug 1690485

Upgraded to 17.10. Uninstalled and reinstalled openssh-client, openssh-server (including loading a fresh /usr/etc/ssh directory).

Still fails.

I attach the output of:
sudo strace -f -e trace=socket /usr/sbin/sshd -d 2>&1 | tee sshd.result.txt

All the other configuration is as before.

What other information can I get for you so as not to just get this issue closed again?

I've downloaded source, but of course it configures to run from /usr/local. What are the correct flags for ./configure to get it to build the way Ubuntu builds it and install to the Ubuntu paths? Alternatively, where can I find out how to run the daemon from /usr/local/sbin instead of /usr/sbin? (That would allow me to configure the extra debugging information requested in the second comment.)