Downgrade missing ticket seeds to a VLOG
Downgrade missing ticket seeds to a VLOG

Summary: This message is noisy, and missing ticket seeds can be inferred.

Reviewed By: knekritz

Differential Revision: D24023266

fbshipit-source-id: 83d034f59bab1f866eafdcb2bc3e3efd5917a8da

facebook/wangle,facebook/wangle,facebook/wangle