++ 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=76a46536-2d85-4cce-b005-b1f41c6c3cf3 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:cb:78:8e + echo 76a46536-2d85-4cce-b005-b1f41c6c3cf3 + echo fa:16:3e:cb:78:8e