/usr/lib/ruby/vendor_ruby/bunny/ is in ruby-bunny 0.7.8-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/bunny/channel08.rb
/usr/lib/ruby/vendor_ruby/bunny/channel09.rb
/usr/lib/ruby/vendor_ruby/bunny/client08.rb
/usr/lib/ruby/vendor_ruby/bunny/client09.rb
/usr/lib/ruby/vendor_ruby/bunny/consumer.rb
/usr/lib/ruby/vendor_ruby/bunny/exchange08.rb
/usr/lib/ruby/vendor_ruby/bunny/exchange09.rb
/usr/lib/ruby/vendor_ruby/bunny/queue08.rb
/usr/lib/ruby/vendor_ruby/bunny/queue09.rb
/usr/lib/ruby/vendor_ruby/bunny/subscription08.rb
/usr/lib/ruby/vendor_ruby/bunny/subscription09.rb
/usr/lib/ruby/vendor_ruby/bunny/system_timer.rb
/usr/lib/ruby/vendor_ruby/bunny/version.rb