++ 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=721da944-c9f1-47dc-92ad-5e1b58598aa3 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:14:a7:27 + echo 721da944-c9f1-47dc-92ad-5e1b58598aa3 + echo fa:16:3e:14:a7:27