This is a courtesy email regarding Bug ID# XXXXXXXX.
Engineering has requested the following information in order to further investigate this issue:
Can you provide a movie and system logs for iCloud account?
Please enable these defaults in Terminal:
defaults write com.apple.AddressBook.CardDAVPlugin EnableDebug -bool YES
defaults write com.apple.AddressBook.CardDAVPlugin LogConnectionDetails -bool YES
defaults write -g ABMigrationLogEnabled -bool YES
Then relaunch Address Book and see if you can reproduce the problem. If so, then attach ~/Library/Logs/CardDAVPlugIn. Then you'll want to turn off the logging.
To get to ~/Library you may need to run
chflags no hidden ~/Library at Terminal
defaults write com.apple.AddressBook.CardDAVPlugin EnableDebug -bool NO
defaults write com.apple.AddressBook.CardDAVPlugin LogConnectionDetails -bool NO
defaults write -g ABMigrationLogEnabled -bool NO