++ 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=ae3ae172-795d-4b7e-a94c-73553773aed3
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:c4:43:b1
+ echo ae3ae172-795d-4b7e-a94c-73553773aed3
+ echo fa:16:3e:c4:43:b1