++ 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=ea2f4bcb-5378-43f4-b9ad-afb783181bc6
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:34:31:41
+ echo ea2f4bcb-5378-43f4-b9ad-afb783181bc6
+ echo fa:16:3e:34:31:41