++ 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=ec872dfe-421a-49f8-964c-67f98b402128
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:14:82:13
+ echo ec872dfe-421a-49f8-964c-67f98b402128
+ echo fa:16:3e:14:82:13