++ 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=a6a31348-b303-4000-bd4b-91dbd7585087
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:46:e7:0c
+ echo a6a31348-b303-4000-bd4b-91dbd7585087
+ echo fa:16:3e:46:e7:0c