++ 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=2574ea38-3f97-4311-a954-06fb2e433699 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:27:3c:01 + echo 2574ea38-3f97-4311-a954-06fb2e433699 + echo fa:16:3e:27:3c:01