++ 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=453ce02e-ae70-483d-b522-6cd522d75685
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:b8:ab:b7
+ echo 453ce02e-ae70-483d-b522-6cd522d75685
+ echo fa:16:3e:b8:ab:b7