++ 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=3701776c-6d5c-47b3-8227-3450b5099794 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:c4:d6:4c + echo 3701776c-6d5c-47b3-8227-3450b5099794 + echo fa:16:3e:c4:d6:4c