/usr/share/doc/ is in lxc-common 2.0.0-0ubuntu2.
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/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