++ 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=8cb17226-c708-4c20-988a-b598b3902424 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:e4:43:26 + echo 8cb17226-c708-4c20-988a-b598b3902424 + echo fa:16:3e:e4:43:26