++ 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=784eca7e-67a5-41ff-bbd4-717db47b8286 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:a4:bc:b6 + echo 784eca7e-67a5-41ff-bbd4-717db47b8286 + echo fa:16:3e:a4:bc:b6