++ 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=f2c8709d-ccbb-45eb-a064-7e0183fc6b41 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:7c:d0:70 + echo f2c8709d-ccbb-45eb-a064-7e0183fc6b41 + echo fa:16:3e:7c:d0:70