++ 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=b1f36263-f26b-4d27-9540-40ac890631bf
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:60:c3:d2
+ echo b1f36263-f26b-4d27-9540-40ac890631bf
+ echo fa:16:3e:60:c3:d2