++ 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=42b5bc7b-4fee-4d17-b0b7-4b64509a051b ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:11:f4:d0 + echo 42b5bc7b-4fee-4d17-b0b7-4b64509a051b + echo fa:16:3e:11:f4:d0