++ 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=1fa03a3e-2aa4-41c5-89a0-a5b67c8d3532
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:c8:81:5a
+ echo 1fa03a3e-2aa4-41c5-89a0-a5b67c8d3532
+ echo fa:16:3e:c8:81:5a