++ 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=cf7c9a21-2536-47b5-a0a0-773fbf5643b4
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:f9:7a:e5
+ echo cf7c9a21-2536-47b5-a0a0-773fbf5643b4
+ echo fa:16:3e:f9:7a:e5