++ 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=0774ae54-0abd-4e3f-bfed-0a0506fc9062
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:ac:fc:e2
+ echo 0774ae54-0abd-4e3f-bfed-0a0506fc9062
+ echo fa:16:3e:ac:fc:e2