++ 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=a4c12a1b-eb3c-482b-862a-bb172edfc219 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:1e:fe:0a + echo a4c12a1b-eb3c-482b-862a-bb172edfc219 + echo fa:16:3e:1e:fe:0a