++ 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=e8b4ad26-0e88-4d4f-aca7-948ea68f3e16 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:cd:9e:ed + echo e8b4ad26-0e88-4d4f-aca7-948ea68f3e16 + echo fa:16:3e:cd:9e:ed