++ 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=829f055d-b455-4211-879b-20ef457701a1
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:7c:49:5e
+ echo 829f055d-b455-4211-879b-20ef457701a1
+ echo fa:16:3e:7c:49:5e