++ 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=2320f3bc-4610-4942-9d5c-1abb4375bf85 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:23:56:a4 + echo 2320f3bc-4610-4942-9d5c-1abb4375bf85 + echo fa:16:3e:23:56:a4