SPDK initiators (Vmware 7.x) can not connect to nvmet-rdma.

[Sagi Grimberg]

> When I connect an SPDK initiator it will try to connect using 1024 connections.
> The linux target is unable to handle this situation and return an error.
> 
> Aug 28 14:22:56 crashme kernel: [169366.627010] infiniband mlx5_0: create_qp:2789:(pid 33755): Create QP type 2 failed
> Aug 28 14:22:56 crashme kernel: [169366.627913] nvmet_rdma: failed to create_qp ret= -12
> Aug 28 14:22:56 crashme kernel: [169366.628498] nvmet_rdma: nvmet_rdma_alloc_queue: creating RDMA queue failed (-12).

Seems that the target is trying to open a queue-pair that is larger than
supported, which device are you using?