++ 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=b3af4aee-1921-4a0c-8b97-87a7221427ba
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:51:4f:52
+ echo b3af4aee-1921-4a0c-8b97-87a7221427ba
+ echo fa:16:3e:51:4f:52