++ 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=d7516575-f196-4904-bc6a-ed98553fb265
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:67:f9:90
+ echo d7516575-f196-4904-bc6a-ed98553fb265
+ echo fa:16:3e:67:f9:90