++ 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=dd3fe9ff-c601-4379-9c50-083b7aa6fee7
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:c9:9c:7c
+ echo dd3fe9ff-c601-4379-9c50-083b7aa6fee7
+ echo fa:16:3e:c9:9c:7c