/usr/lib/ruby/vendor_ruby/bundler/man/ is in ruby-bundler 1.13.6-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/bundler/man/bundle
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-binstubs
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-binstubs.txt
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-config
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-config.txt
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-exec
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-exec.txt
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-gem
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-gem.txt
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-install
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-install.txt
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-lock
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-lock.txt
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-package
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-package.txt
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-platform
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-platform.txt
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-update
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-update.txt
/usr/lib/ruby/vendor_ruby/bundler/man/bundle.txt
/usr/lib/ruby/vendor_ruby/bundler/man/gemfile.5
/usr/lib/ruby/vendor_ruby/bundler/man/gemfile.5.txt