Please see the error message for this failure.
arastra@os-ctrl3:~/devstack$ neutron-l2gw l2-gateway-connection-create gw1 net-1 Invalid input for operation: Segmentation id must be specified in createl2gateway connections.
Please see the error message for this failure.
arastra@ os-ctrl3: ~/devstack$ neutron-l2gw l2-gateway- connection- create gw1 net-1
Invalid input for operation: Segmentation id must be specified in createl2gateway connections.