These logs aren't useful and many recent failures of iOS EWS can be attributed to too many logs here.
<rdar://problem/49531952>
Created attachment 366607 [details] Patch
Comment on attachment 366607 [details] Patch Clearing flags on attachment: 366607 Committed r243803: <https://trac.webkit.org/changeset/243803>
All reviewed patches have been landed. Closing bug.