I got an answer from yubikey support. It seems that my keys have firmware that is to old. To use residential keys you need to have a YubiKey with credential management, this was added in Firmware 5.2.3
This bug report can be closed. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1950473 Title: SSH keygen, Key enrollment failed: requested feature not supported To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1950473/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
