++ 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=4d79b5b7-5f42-440f-b8e0-5736df3b2b09 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:2b:18:8d + echo 4d79b5b7-5f42-440f-b8e0-5736df3b2b09 + echo fa:16:3e:2b:18:8d