Locksmith now uses github.com/coreos/etcd/client, instead of the deprecated
Locksmith now uses github.com/coreos/pkg/capnslog for logging.
The reboot strategy
best-effort is deprecated, and locksmithd will complain
loudly if it is used. Please use an explicit
Locksmith logs some information about the configured reboot window.
Locksmith supports etcd basic auth.
Locksmith again requires update-engine.service, and will start after
user-config.target system-config.target are reached.