++ 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=d7ebefcd-a5f6-4206-b2ad-d8bed7aa315d
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:51:3d:a1
+ echo d7ebefcd-a5f6-4206-b2ad-d8bed7aa315d
+ echo fa:16:3e:51:3d:a1