++ 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=2f491220-9cd9-4e58-a0aa-3801826015bc ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:77:96:2d + echo 2f491220-9cd9-4e58-a0aa-3801826015bc + echo fa:16:3e:77:96:2d