++ 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=ef94aa12-5c92-4214-9596-4e4270dfe957
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:f7:ef:d7
+ echo ef94aa12-5c92-4214-9596-4e4270dfe957
+ echo fa:16:3e:f7:ef:d7