++ 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=ce010a31-694a-4102-9c6a-b54984c71679 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:bf:31:c3 + echo ce010a31-694a-4102-9c6a-b54984c71679 + echo fa:16:3e:bf:31:c3