++ 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=8c061f28-3d35-4372-a06a-74fff99ec2a4 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:a7:ea:cb + echo 8c061f28-3d35-4372-a06a-74fff99ec2a4 + echo fa:16:3e:a7:ea:cb