nova list bug

Optional arguments:
 --reservation-id <reservation-id>
                       Only return instances that match reservation-id.
 --ip <ip-regexp>      Search with regular expression match by IP address
                       (Admin only).
 --ip6 <ip6-regexp>    Search with regular expression match by IPv6 address
                       (Admin only).
 --name <name-regexp>  Search with regular expression match by name
 --instance-name <name-regexp>
                       Search with regular expression match by instance name
                       (Admin only).
 --status <status>     Search by server status
 --flavor <flavor>     Search by flavor ID
 --image <image>       Search by image ID
 --host <hostname>     Search instances by hostname to which they are
                       assigned (Admin only).
 --all-tenants [<0|1>]
                       Display information from all tenants (Admin only).
 --tenant [<tenant>]   Display information from single tenant (Admin only).

status, image, all-tenants(0,1以外も指定できる), tenant(効いていない？)
→ 修正提案済み