++ 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=a66fc368-df62-4574-a7be-16661807d698
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:25:ef:b8
+ echo a66fc368-df62-4574-a7be-16661807d698
+ echo fa:16:3e:25:ef:b8