++ 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=20b5ec93-abf1-49e4-b95f-b90ebf1dac87
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:00:28:45
+ echo 20b5ec93-abf1-49e4-b95f-b90ebf1dac87
+ echo fa:16:3e:00:28:45