++ 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=a900d798-2e8b-4632-b9d8-baf1cbf6fa02
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:56:07:ba
+ echo a900d798-2e8b-4632-b9d8-baf1cbf6fa02
+ echo fa:16:3e:56:07:ba