The current timestamp is probably included in production logs, but
won't be in testing environments such as GitHub Actions.
Signed-off-by: Kazuyoshi Kato <katokazu@amazon.com>
When multiple clients are pulling the same image, we may have this
lock error. Short-lived locks are probably fine, but long-lived locks
may indicate that containerd has some issues.
Signed-off-by: Kazuyoshi Kato <katokazu@amazon.com>