++ 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=e8a09b59-6ee4-4ed1-9668-36aa90963aa5
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:8e:63:e6
+ echo e8a09b59-6ee4-4ed1-9668-36aa90963aa5
+ echo fa:16:3e:8e:63:e6