++ 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=2ad3cb12-8127-4f80-905f-9574b4243ec3
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:fe:11:1a
+ echo 2ad3cb12-8127-4f80-905f-9574b4243ec3
+ echo fa:16:3e:fe:11:1a