++ 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=516bf6c2-8444-4121-bc25-82c19b5b8412 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:10:c1:d5 + echo 516bf6c2-8444-4121-bc25-82c19b5b8412 + echo fa:16:3e:10:c1:d5