++ 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=04faa8a6-aafa-4835-b8f1-60a4485706d0
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:83:14:2f
+ echo 04faa8a6-aafa-4835-b8f1-60a4485706d0
+ echo fa:16:3e:83:14:2f