Stop logging identifying bridge info at 'notice'
A client running with bridges logs "new bridge descriptor '$NICKNAME'" and the bridge IP address at level 'notice'.
If the bridge has both an IPv4 and an IPv6 ORPort, there's an additional log line, this too at the 'notice' level.
There might be more.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information