++ hostname -s + HOSTNAME=instance + PORTNAME=octavia-health-manager-port-instance ++ openstack port show octavia-health-manager-port-instance -c id -f value + HM_PORT_ID=3ac0dfbf-0c84-4261-aad0-c25b59d1dc4e ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:fe:43:89 + echo 3ac0dfbf-0c84-4261-aad0-c25b59d1dc4e + echo fa:16:3e:fe:43:89