This is needed to suppress a log message about a harmless condition
which was previously logged at the WARNING log level with potentially
high frequency (https://github.com/docker/go-events/pull/11).
Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
Upstream-commit: db9bc51cbeb40204ff15ea1a40db8d3736ad3845
Component: engine