++ 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=588c2404-0212-462a-bf4c-b0a246ff74eb ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:cb:66:91 + echo 588c2404-0212-462a-bf4c-b0a246ff74eb + echo fa:16:3e:cb:66:91