++ 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=dc3673ee-47ee-43a5-8d39-87248739cf25
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:92:eb:24
+ echo dc3673ee-47ee-43a5-8d39-87248739cf25
+ echo fa:16:3e:92:eb:24