++ 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=4f27ff55-a5ae-40ed-b1d9-f26d2faddea0
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:41:ec:23
+ echo 4f27ff55-a5ae-40ed-b1d9-f26d2faddea0
+ echo fa:16:3e:41:ec:23