ceq and aeq is a ring buffer, consumer index of them will be set to zero
after reaching the maximum value. The warning should be removed or it may
mislead the users.

Link: https://lore.kernel.org/r/1584674622-52773-8-git-send-email-liweihang@huawei.comSigned-off-by: NWenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: NWeihang Li <liweihang@huawei.com>
Signed-off-by: NJason Gunthorpe <jgg@mellanox.com>