++ 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=e20c6607-7d91-40ee-89d5-2773fe8f05cb
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:d1:0f:57
+ echo e20c6607-7d91-40ee-89d5-2773fe8f05cb
+ echo fa:16:3e:d1:0f:57