++ 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=674a9725-7281-44c6-be54-bf1db41f64a5 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:cd:66:37 + echo 674a9725-7281-44c6-be54-bf1db41f64a5 + echo fa:16:3e:cd:66:37