++ 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=18a8bf98-cbf3-4f0e-b32f-71c30ffe3895 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:47:c4:81 + echo 18a8bf98-cbf3-4f0e-b32f-71c30ffe3895 + echo fa:16:3e:47:c4:81