From conductor UI, while trying to remote access to router, it fails with Remote Host Identification has changed error.
The SSH fails due to Remote Host Identification failure, from the SSH known host file located in /root/.ssh/known_hosts
In the Error message look for the line
Add correct hots key in /root/.ssh/known_hosts:XX
In the above message XX indicates line number. Edit the file /root/.ssh/known_hosts and delete the offending key/line number.