++ 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=a5b90453-ce57-48c4-93de-da35e2a2b1a0
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:2c:fc:d8
+ echo a5b90453-ce57-48c4-93de-da35e2a2b1a0
+ echo fa:16:3e:2c:fc:d8