++ 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=030420ab-2a32-4545-8f84-1deff5428849 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:fc:30:fb + echo 030420ab-2a32-4545-8f84-1deff5428849 + echo fa:16:3e:fc:30:fb