++ 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=59180f84-cf12-4389-b9e9-276c001f890c
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:15:b4:75
+ echo 59180f84-cf12-4389-b9e9-276c001f890c
+ echo fa:16:3e:15:b4:75