++ 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=e6ebb631-bea1-47ea-b521-752064960ce3
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:c8:c9:5d
+ echo e6ebb631-bea1-47ea-b521-752064960ce3
+ echo fa:16:3e:c8:c9:5d