Sorry, the combination of ssh-agent and "log out and log back in" made me immediately think of bug 1789523.
** Package changed: gnome-session (Ubuntu) => openssh (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-session in Ubuntu. https://bugs.launchpad.net/bugs/1812247 Title: ssh-agent fails for ssh-add -c: agent refused operation To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1812247/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs