++ 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=bd7c9614-c477-40d8-b8ff-34d4b5ee7053
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:79:43:28
+ echo bd7c9614-c477-40d8-b8ff-34d4b5ee7053
+ echo fa:16:3e:79:43:28