++ 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=4c260d2f-ab9a-4df3-bd43-b21b6ce5a7d2
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:d3:e4:40
+ echo 4c260d2f-ab9a-4df3-bd43-b21b6ce5a7d2
+ echo fa:16:3e:d3:e4:40