++ 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=4abdd613-9f59-4717-b888-07352e908cbe
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:f6:2d:72
+ echo 4abdd613-9f59-4717-b888-07352e908cbe
+ echo fa:16:3e:f6:2d:72