docs: def get_job_errors(self, job_id):
          """GetJobErrors
          https://apidocs.joyent.com/manta/api.html#GetJobErrors
          """
          log.debug("GetJobErrors %r", job_id)
          path = "/%s/jobs/%s/live/err" % (self.account, job_id)
          res, content = self._request(path, "GET")
          if res["status"] != "200":
              raise errors.MantaAPIError(res, content)
          return self._job_errors_from_content(content)