++ 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=e76b5633-5804-4b96-a8c1-5e70862d449b
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:55:61:95
+ echo e76b5633-5804-4b96-a8c1-5e70862d449b
+ echo fa:16:3e:55:61:95