++ 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=37ecbcb2-e109-435e-ac1b-f9aa64877ef5 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:5b:da:21 + echo 37ecbcb2-e109-435e-ac1b-f9aa64877ef5 + echo fa:16:3e:5b:da:21