++ 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=f4d04730-3a96-4470-a8de-cc43f36fefa4
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:31:87:74
+ echo f4d04730-3a96-4470-a8de-cc43f36fefa4
+ echo fa:16:3e:31:87:74