++ 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=81e984a0-4123-4ea8-9d46-309747622182
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:61:d7:ec
+ echo 81e984a0-4123-4ea8-9d46-309747622182
+ echo fa:16:3e:61:d7:ec