++ 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=e0e440a7-468e-4e5f-ae78-327541076de4
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:a6:ef:08
+ echo e0e440a7-468e-4e5f-ae78-327541076de4
+ echo fa:16:3e:a6:ef:08