++ 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=89858fb3-dac8-486b-8200-81389699b863
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:27:01:8b
+ echo 89858fb3-dac8-486b-8200-81389699b863
+ echo fa:16:3e:27:01:8b