++ 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=ec4723c0-bac1-48cd-93cb-de2a3bf983b3
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:dc:4d:db
+ echo ec4723c0-bac1-48cd-93cb-de2a3bf983b3
+ echo fa:16:3e:dc:4d:db