++ 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=3b808234-d5f1-4817-b14a-f76fa903bf84 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:2b:eb:0d + echo 3b808234-d5f1-4817-b14a-f76fa903bf84 + echo fa:16:3e:2b:eb:0d