++ 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=4c52a981-ebe3-4282-a71d-8e8230385673 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:49:78:90 + echo 4c52a981-ebe3-4282-a71d-8e8230385673 + echo fa:16:3e:49:78:90