Avoid logging `enoent` errors in some common cases
Avoid logging `enoent` errors in some common cases

In `Open` and `Create` it's often expected behaviour to return `enoent`.
This patch removes the log spam from the library; users for whom this
is really an error are encouraged to log it themselves.

Signed-off-by: David Scott <63c9eb0ea83039690fefa11afe17873ba8278a56@docker.com>

docker/datakit,docker/datakit,docker/datakit