++ 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=e7df0443-bb36-46f9-b019-4e93af3566fe
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:1a:b6:1f
+ echo e7df0443-bb36-46f9-b019-4e93af3566fe
+ echo fa:16:3e:1a:b6:1f