++ 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=80b7bc15-92ba-43f2-90b3-f861b1998d7a ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:79:42:5a + echo 80b7bc15-92ba-43f2-90b3-f861b1998d7a + echo fa:16:3e:79:42:5a