++ 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=18fa9b94-33d7-4fe9-af52-a14dd58cb948 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:a1:87:93 + echo 18fa9b94-33d7-4fe9-af52-a14dd58cb948 + echo fa:16:3e:a1:87:93