/usr/share/ is in lxc-common 2.0.0-0ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/lxc/
/usr/share/lxc/selinux/
/usr/share/lxc/selinux/lxc.te
/usr/share/lxc/selinux/lxc.if
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/lxc-common
/usr/share/doc/
/usr/share/doc/lxc-common/
/usr/share/doc/lxc-common/examples/
/usr/share/doc/lxc-common/examples/lxc-no-netns.conf
/usr/share/doc/lxc-common/examples/lxc-phys.conf
/usr/share/doc/lxc-common/examples/lxc-empty-netns.conf
/usr/share/doc/lxc-common/examples/seccomp-v1.conf
/usr/share/doc/lxc-common/examples/lxc-macvlan.conf
/usr/share/doc/lxc-common/examples/lxc-vlan.conf
/usr/share/doc/lxc-common/examples/lxc-complex.conf
/usr/share/doc/lxc-common/examples/seccomp-v2-blacklist.conf
/usr/share/doc/lxc-common/examples/lxc-veth.conf
/usr/share/doc/lxc-common/examples/seccomp-v2.conf
/usr/share/doc/lxc-common/copyright
/usr/share/doc/lxc-common/changelog.Debian.gz