++ 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=16be6277-e88a-4e83-aaec-2616b2a05f41 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:93:46:c6 + echo 16be6277-e88a-4e83-aaec-2616b2a05f41 + echo fa:16:3e:93:46:c6