++ 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=e700c89c-2e14-4531-bd76-18aa26981f56 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:21:5c:6a + echo e700c89c-2e14-4531-bd76-18aa26981f56 + echo fa:16:3e:21:5c:6a