++ 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=79eb54df-a981-452a-844e-7f728f082cdd ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:c9:52:31 + echo 79eb54df-a981-452a-844e-7f728f082cdd + echo fa:16:3e:c9:52:31