++ 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=4f31a48e-2d80-45eb-bc94-376680ed316b
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:9a:57:72
+ echo 4f31a48e-2d80-45eb-bc94-376680ed316b
+ echo fa:16:3e:9a:57:72