++ 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=ec41b173-7423-42a1-a285-8626b80895bc
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:94:8f:2f
+ echo ec41b173-7423-42a1-a285-8626b80895bc
+ echo fa:16:3e:94:8f:2f