++ 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=13f816c8-8938-43c1-a552-82c60a932915
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:f3:22:8d
+ echo 13f816c8-8938-43c1-a552-82c60a932915
+ echo fa:16:3e:f3:22:8d