++ 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=976df537-d747-446c-8189-a8cc799cef87
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:d8:74:ad
+ echo 976df537-d747-446c-8189-a8cc799cef87
+ echo fa:16:3e:d8:74:ad