Logs: {Link(s) to GitHub Gist, Pastebin, etc with full latest.log and/or crash report}

Steps to Reproduce:
Not sure if this is exactly how to since I could only do it once but

1. Spawn in a Butterfly Leviathan in creative
2. Go into survival and get bit
3. Profit

Description of issue:
I got bit by a Butterfly Leviathan trying to tame it and I couldn't get hurt by them again.

No response, and cannot seem to reproduce, assuming fixed.

Peaceful?