++ 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=44b1a905-2d87-42ae-9fd4-14c9236dc338 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:8f:85:9e + echo 44b1a905-2d87-42ae-9fd4-14c9236dc338 + echo fa:16:3e:8f:85:9e