++ 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=b0d9c2c8-1703-4db6-b583-111e958803d5 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:94:75:5c + echo b0d9c2c8-1703-4db6-b583-111e958803d5 + echo fa:16:3e:94:75:5c