++ 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=4b92391c-261d-4c98-b417-d12de39bc200
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:1d:49:89
+ echo 4b92391c-261d-4c98-b417-d12de39bc200
+ echo fa:16:3e:1d:49:89