++ 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=f4b8cfbc-7302-4327-a93f-ddaf95d0cd21
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:13:83:8d
+ echo f4b8cfbc-7302-4327-a93f-ddaf95d0cd21
+ echo fa:16:3e:13:83:8d