++ 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=e799ec67-ae88-4e5a-b76f-9f215cbdf8fe
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:cc:24:ee
+ echo e799ec67-ae88-4e5a-b76f-9f215cbdf8fe
+ echo fa:16:3e:cc:24:ee