/usr/lib/ruby/vendor_ruby/bundler/man/ is in ruby-bundler 1.16.1-1.
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-add
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-add.txt
/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-check
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-check.txt
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-clean
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-clean.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-info
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-info.txt
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-init
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-init.txt
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-inject
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-inject.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-list
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-list.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-open
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-open.txt
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-outdated
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-outdated.txt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-pristine
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-pristine.txt
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-show
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-show.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-viz
/usr/lib/ruby/vendor_ruby/bundler/man/bundle-viz.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