++ 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=7efd0006-2736-4c8c-9e26-1573580d5380 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:88:bc:6b + echo 7efd0006-2736-4c8c-9e26-1573580d5380 + echo fa:16:3e:88:bc:6b