instance의 interface, mac 정보 조회

# nova instance-list {instance_name} $ openstack server list +--------------------------------------+------+--------+-----------------------+------------+--------+ | ID | Name | Status | Networks | Image | Flavor | +--------------------------------------+------+--------+-----------------------+------------+--------+ | ace39066-7e60-49fa-99d6-a648f612c3ea | vm1 | ACTIVE | public=100.100.105.11 | ..