++ 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=b20f6853-8fe7-4540-ad1f-584b06b89a92
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:89:dc:12
+ echo b20f6853-8fe7-4540-ad1f-584b06b89a92
+ echo fa:16:3e:89:dc:12