++ 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=177dc5dc-91d8-476d-a7a5-bd01b2ecb6c2
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:51:58:00
+ echo 177dc5dc-91d8-476d-a7a5-bd01b2ecb6c2
+ echo fa:16:3e:51:58:00