draft-ietf-vrrp-ipv6-spec-05.txt lacks IPR clause

[itojun]

        draft-ietf-vrrp-ipv6-spec-05.txt does not have IPR clause on it,
        even though cisco claims to have patent related to it.
        http://www.ietf.org/ietf/IPR/cisco-ipr-draft-ietf-vrrp-ipv6-spec.txt

itojun