++ 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=09d7c0b8-1e74-4863-b433-8d805bd85c44 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:ca:47:ad + echo 09d7c0b8-1e74-4863-b433-8d805bd85c44 + echo fa:16:3e:ca:47:ad