++ 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=e9f9525b-dd1a-4149-93a3-b7129a97f5b0
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:d8:d2:31
+ echo e9f9525b-dd1a-4149-93a3-b7129a97f5b0
+ echo fa:16:3e:d8:d2:31