++ 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=ac3976fd-18df-47bc-a361-3345037cf427
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:8c:c2:1b
+ echo ac3976fd-18df-47bc-a361-3345037cf427
+ echo fa:16:3e:8c:c2:1b