++ 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=b291f8a1-6be8-4c16-876e-b83958881243 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:09:cb:e6 + echo b291f8a1-6be8-4c16-876e-b83958881243 + echo fa:16:3e:09:cb:e6