++ 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=d4c4ad64-75ea-43f8-85cf-43b4fb65da5f
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:5c:fe:dd
+ echo d4c4ad64-75ea-43f8-85cf-43b4fb65da5f
+ echo fa:16:3e:5c:fe:dd