Configuração do servidor jenkins x azure

No Repository URL git@ xxxxx :root/ghnetsoft-utilitario.git

deu este erro:

Failed to connect to repository : Command "git ls-remote -h git@ xxxxxx :root/ghnetsoft-utilitario.git HEAD" returned status code 128:
stdout:
stderr: Host key verification failed.
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

Conexão com sucesso