/usr/ is in avahi-daemon 0.6.31-4ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/avahi/
/usr/lib/avahi/avahi-daemon-check-dns.sh
/usr/sbin/
/usr/sbin/avahi-daemon
/usr/share/
/usr/share/doc/
/usr/share/doc/avahi-daemon/
/usr/share/doc/avahi-daemon/examples/
/usr/share/doc/avahi-daemon/examples/example.service
/usr/share/doc/avahi-daemon/examples/sftp-ssh.service
/usr/share/man/
/usr/share/doc/avahi-daemon/examples/ssh.service
/usr/share/doc/avahi-daemon/copyright
/usr/share/dbus-1/
/usr/share/dbus-1/interfaces/
/usr/share/dbus-1/interfaces/org.freedesktop.Avahi.DomainBrowser.xml
/usr/share/dbus-1/interfaces/org.freedesktop.Avahi.AddressResolver.xml
/usr/share/dbus-1/interfaces/org.freedesktop.Avahi.HostNameResolver.xml
/usr/share/dbus-1/interfaces/org.freedesktop.Avahi.ServiceBrowser.xml
/usr/share/doc/avahi-daemon/changelog.Debian.gz
/usr/share/dbus-1/interfaces/org.freedesktop.Avahi.ServiceTypeBrowser.xml
/usr/share/dbus-1/interfaces/org.freedesktop.Avahi.RecordBrowser.xml
/usr/share/dbus-1/interfaces/org.freedesktop.Avahi.Server.xml
/usr/share/dbus-1/interfaces/org.freedesktop.Avahi.ServiceResolver.xml
/usr/share/dbus-1/interfaces/org.freedesktop.Avahi.EntryGroup.xml
/usr/share/dbus-1/system-services/
/usr/share/dbus-1/system-services/org.freedesktop.Avahi.service
/usr/share/avahi/
/usr/share/avahi/avahi-service.dtd
/usr/share/man/man8/
/usr/share/man/man8/avahi-daemon.8.gz
/usr/share/man/man5/
/usr/share/man/man5/avahi-daemon.conf.5.gz
/usr/share/man/man5/avahi.service.5.gz
/usr/share/man/man5/avahi.hosts.5.gz
/usr/share/doc/avahi-daemon/README
/usr/share/doc/avahi-daemon/NEWS.gz