++ 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=7723be3a-ebf5-417f-988b-40039d8b6080 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:3c:18:8b + echo 7723be3a-ebf5-417f-988b-40039d8b6080 + echo fa:16:3e:3c:18:8b