++ 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=a45fcae2-1bb4-4e43-89e6-864212946474 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:98:3f:9c + echo a45fcae2-1bb4-4e43-89e6-864212946474 + echo fa:16:3e:98:3f:9c