++ 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=d3175316-03c4-468f-93e8-fd0390435206
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:f7:fc:2f
+ echo d3175316-03c4-468f-93e8-fd0390435206
+ echo fa:16:3e:f7:fc:2f