++ 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=4a64ef62-e947-411c-89c0-71d5bcc2b89c
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:91:34:ac
+ echo 4a64ef62-e947-411c-89c0-71d5bcc2b89c
+ echo fa:16:3e:91:34:ac