++ 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=b652dd53-8898-4400-b039-05192b903df4
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:ff:79:c2
+ echo b652dd53-8898-4400-b039-05192b903df4
+ echo fa:16:3e:ff:79:c2