++ 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=4a50716e-3cbc-472d-b973-83d37e90aac7
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:77:45:7e
+ echo 4a50716e-3cbc-472d-b973-83d37e90aac7
+ echo fa:16:3e:77:45:7e