++ 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=73706415-6d8b-472a-a38b-40e44c590333
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:35:ca:40
+ echo 73706415-6d8b-472a-a38b-40e44c590333
+ echo fa:16:3e:35:ca:40