++ 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=e8768f83-a1aa-4065-b1e6-220b667c8586 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:0e:0b:e4 + echo e8768f83-a1aa-4065-b1e6-220b667c8586 + echo fa:16:3e:0e:0b:e4