++ 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=e49338da-a881-43e0-b09f-4a3e392edbde
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:e2:d7:00
+ echo e49338da-a881-43e0-b09f-4a3e392edbde
+ echo fa:16:3e:e2:d7:00