++ 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=b7953475-e0b5-4034-bf64-da0f316cfc84 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:8d:aa:50 + echo b7953475-e0b5-4034-bf64-da0f316cfc84 + echo fa:16:3e:8d:aa:50