++ 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=63b0c7ad-2e69-4776-adc1-fb129f2f2ddd
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:ff:bb:8e
+ echo 63b0c7ad-2e69-4776-adc1-fb129f2f2ddd
+ echo fa:16:3e:ff:bb:8e