++ 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=e20ea021-9d32-46b6-8a2a-a30ef04a39b4
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:1b:d7:03
+ echo e20ea021-9d32-46b6-8a2a-a30ef04a39b4
+ echo fa:16:3e:1b:d7:03