++ 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=068e7fee-0646-4305-a453-4d76ebcf813e ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:10:04:9c + echo 068e7fee-0646-4305-a453-4d76ebcf813e + echo fa:16:3e:10:04:9c