++ 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=017dde13-1000-441c-87bc-7b703703e495
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:18:15:3f
+ echo 017dde13-1000-441c-87bc-7b703703e495
+ echo fa:16:3e:18:15:3f