vhost: decrease log level for unimplemented requests

This patch changes VHOST_USER_SET_VRING_ERR and
VHOST_USER_SET_LOG_FD "not implemented" log levels from
INFO to DEBUG, as implementing these requests is not
mandatory. Having them being displayed at INFO level
may induce some confusion to the end-user.

Fixes: fd29c33 ("vhost: handle unsupported message types in functions")
Cc: stable@dpdk.org

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
Acked-by: Kevin Traynor <ktraynor@redhat.com>

lib/vhost/vhost_user.c

@@ -1818,7 +1818,7 @@ static int vhost_user_set_vring_err(struct virtio_net **pdev,
 
 	if (!(ctx->msg.payload.u64 & VHOST_USER_VRING_NOFD_MASK))
 		close(ctx->fds[0]);
-	VHOST_LOG_CONFIG(dev->ifname, INFO, "not implemented\n");
+	VHOST_LOG_CONFIG(dev->ifname, DEBUG, "not implemented\n");
 
 	return RTE_VHOST_MSG_RESULT_OK;
 }
@@ -2340,7 +2340,7 @@ static int vhost_user_set_log_fd(struct virtio_net **pdev,
 		return RTE_VHOST_MSG_RESULT_ERR;
 
 	close(ctx->fds[0]);
-	VHOST_LOG_CONFIG(dev->ifname, INFO, "not implemented.\n");
+	VHOST_LOG_CONFIG(dev->ifname, DEBUG, "not implemented.\n");
 
 	return RTE_VHOST_MSG_RESULT_OK;
 }