++ 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=fbb9f618-21b3-4c62-8149-67d3c4019fd0
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:f9:fe:91
+ echo fbb9f618-21b3-4c62-8149-67d3c4019fd0
+ echo fa:16:3e:f9:fe:91