++ 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=3d8e4799-7df6-49b3-920e-d1cee93522b5 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:06:24:cd + echo 3d8e4799-7df6-49b3-920e-d1cee93522b5 + echo fa:16:3e:06:24:cd