++ 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=d8e18981-ec08-4223-8668-8845487e3b16
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:df:0f:df
+ echo d8e18981-ec08-4223-8668-8845487e3b16
+ echo fa:16:3e:df:0f:df