++ 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=4378d6d9-d898-4706-b620-fdca725e788a
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:20:ee:0e
+ echo 4378d6d9-d898-4706-b620-fdca725e788a
+ echo fa:16:3e:20:ee:0e