These network errors have been appearing since switching to the ITP SQLite store.
rdar://65884740
Created attachment 404832 [details] Patch
Comment on attachment 404832 [details] Patch r=me if EWS is happy.
Committed r264670: <https://trac.webkit.org/changeset/264670> All reviewed patches have been landed. Closing bug and clearing flags on attachment 404832 [details].