++ 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=ca3ef20c-96c7-45b6-bb01-a253b9595c38
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:42:38:57
+ echo ca3ef20c-96c7-45b6-bb01-a253b9595c38
+ echo fa:16:3e:42:38:57