++ 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=e00b4a8c-5187-4918-960e-ab8e516391ff
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:73:58:ed
+ echo e00b4a8c-5187-4918-960e-ab8e516391ff
+ echo fa:16:3e:73:58:ed