++ 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=0df8b623-0363-4395-b37a-ec1333418615
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:52:04:15
+ echo 0df8b623-0363-4395-b37a-ec1333418615
+ echo fa:16:3e:52:04:15