++ 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=cff04e70-01fc-49bb-a833-9451513f5609
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:83:10:4b
+ echo cff04e70-01fc-49bb-a833-9451513f5609
+ echo fa:16:3e:83:10:4b