fix bash completion for `docker service` subcommands Upstream-commit: 2989e7b2a0f55b4c8ec4c21118a172295f1b03b7 Component: engine
fix bash completion for `docker service` subcommands Upstream-commit: 2989e7b2a0f55b4c8ec4c21118a172295f1b03b7 Component: engine