++ 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=17f89aa7-633a-40ab-b41b-382b617202ed
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:3b:c1:d4
+ echo 17f89aa7-633a-40ab-b41b-382b617202ed
+ echo fa:16:3e:3b:c1:d4