++ 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=4fc6b059-e949-406d-ae3b-f1db4a6c68c1 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:56:9f:ef + echo 4fc6b059-e949-406d-ae3b-f1db4a6c68c1 + echo fa:16:3e:56:9f:ef