++ 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=4f231e87-fc82-466b-a94d-387114cea400
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:73:72:66
+ echo 4f231e87-fc82-466b-a94d-387114cea400
+ echo fa:16:3e:73:72:66