[stable-2.8] paramiko_ssh - Improve authentication error message (#64157) (#64165)

The error is not always an invalid username/password. It could be a connection timeout or refusal.
(cherry picked from commit d5fbe6573b)

Co-authored-by: Sam Doran <sdoran@redhat.com>

changelogs/fragments/paramiko_ssh-improve-error-message.yaml

@@ -0,0 +1,2 @@
+bugfixes:
+  - paramiko_ssh - improve authentication error message so it is less confusing

lib/ansible/plugins/connection/paramiko_ssh.py

@@ -354,7 +354,7 @@ class Connection(ConnectionBase):
         except paramiko.ssh_exception.BadHostKeyException as e:
             raise AnsibleConnectionFailure('host key mismatch for %s' % e.hostname)
         except paramiko.ssh_exception.AuthenticationException as e:
-            msg = 'Invalid/incorrect username/password. {0}'.format(to_text(e))
+            msg = 'Failed to authenticate: {0}'.format(to_text(e))
             raise AnsibleAuthenticationFailure(msg)
         except Exception as e:
             msg = to_text(e)