++ 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=8a5a001d-bfe6-4fe8-b3db-35b289f8f5e3
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:b4:40:4d
+ echo 8a5a001d-bfe6-4fe8-b3db-35b289f8f5e3
+ echo fa:16:3e:b4:40:4d