++ 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=e0aa6afd-b0df-4f3e-834f-5734119723a2
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:5d:76:98
+ echo e0aa6afd-b0df-4f3e-834f-5734119723a2
+ echo fa:16:3e:5d:76:98