++ 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=271a898a-b3f4-4a92-b72a-775942838759 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:45:6d:f4 + echo 271a898a-b3f4-4a92-b72a-775942838759 + echo fa:16:3e:45:6d:f4