chore: adding more logs while creating an enclave to see what fails f…

…etching a container image in Ubuntu (#1809)

## Description:
adding more logs while creating an enclave to see what fails fetching a
container image in Ubuntu

## Is this change user facing?
NO

## References (if applicable):
Related to this ticket:
#1768

container-engine-lib/lib/backend_impls/docker/docker_kurtosis_backend/docker_kurtosis_backend_api_container_functions.go

@@ -170,11 +170,12 @@ func (backend *DockerKurtosisBackend) CreateAPIContainer(
 	).WithRestartPolicy(docker_manager.RestartOnFailure).Build()
 
 	if _, err = backend.dockerManager.FetchImageIfMissing(ctx, image); err != nil {
-		logrus.Warnf("Failed to pull the latest version of API container image '%v'; you may be running an out-of-date version", image)
+		logrus.Warnf("Failed to pull the latest version of API container image '%v'; you may be running an out-of-date version. Error:\n%v", image, err)
 	}
 
 	containerId, hostMachinePortBindings, err := backend.dockerManager.CreateAndStartContainer(ctx, createAndStartArgs)
 	if err != nil {
+		logrus.Debugf("Error occurred starting the API container. Err:\n%v", err)
 		return nil, stacktrace.Propagate(err, "An error occurred starting the API container")
 	}
 	shouldKillContainer := true

container-engine-lib/lib/backend_impls/docker/docker_manager/docker_manager.go

@@ -526,6 +526,7 @@ func (manager *DockerManager) CreateAndStartContainer(
 
 	_, _, err := manager.FetchImage(ctx, dockerImage, args.imageDownloadMode)
 	if err != nil {
+		logrus.Debugf("Error occurred fetching image '%v'. Err:\n%v", dockerImage, err)
 		return "", nil, stacktrace.Propagate(err, "An error occurred fetching image '%v'", dockerImage)
 	}