++ 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=d40cacfb-4eac-4b50-a4e1-eeb192395adc
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:18:18:f6
+ echo d40cacfb-4eac-4b50-a4e1-eeb192395adc
+ echo fa:16:3e:18:18:f6