Commit cc493a52a4 added
a constraint to network connect/disconnect operations
on "Swarm scoped" networks.
This adds those errors to the API documentation. Also
changes the error to lowercase for consistency.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit b0089e4827)
Signed-off-by: Tibor Vass <tibor@docker.com>