Describe the current behavior / 问题描述 (Mandatory / 必填)

pix2pix等多个教程网络在910A/910B上打印告警信息：For 'context.set_context' in Ascend backend, the backend is already initialized, please set it before the definition of any Tensor and Parameter, and the instantiation and execution of any operation and net, otherwise the settings may not take effect.
教程地址：https://www.mindspore.cn/tutorials/application/zh-CN/master/generative/cyclegan.html

Environment / 环境信息 (Mandatory / 必填)

• Hardware Environment(Ascend/GPU/CPU) / 硬件环境:

Please delete the backend not involved / 请删除不涉及的后端:
/device ascend

• Software Environment / 软件环境 (Mandatory / 必填):
  -- MindSpore version (e.g., 1.7.0.Bxxx) :
  -- Python version (e.g., Python 3.7.5) :
  -- OS platform and distribution (e.g., Linux Ubuntu 16.04):
  -- GCC/Compiler version (if compiled from source):
  失败版本：r2.3_20240417_d51c17c7 Milan_C17/20240414
  成功版本：r2.3_aa16e0b8 Milan_C17/20240408

• Excute Mode / 执行模式 (Mandatory / 必填)(PyNative/Graph):

Please delete the mode not involved / 请删除不涉及的模式:
/mode pynative
/mode graph

Related testcase / 关联用例 (Mandatory / 必填)

用例路径：solution_test/cases/03subject_test/06document/02network_cases
关联用例：test_ms_tutorial_cv_cyclegan_0001.py

Steps to reproduce the issue / 重现步骤 (Mandatory / 必填)

1. 进入官网，https://www.mindspore.cn/tutorials/application/zh-CN/master/generative/cyclegan.html
2. 下载样例代码，使用python执行
3. 验证教程网络训练是否成功，日志中是否存在告警日志

Describe the expected behavior / 预期结果 (Mandatory / 必填)

网络训练成功，日志中不存在告警日志

Related log / screenshot / 日志 / 截图 (Mandatory / 必填)

WARNING日志重复次数	WARNING日志
1 mindspore/ccsrc/runtime/hardware/device_context_manager.cc:466] GetDeviceContext] Device context of device Ascend is not created yet.
1 mindspore/context.py:1098] For 'context.set_context' in Ascend backend, the backend is already initialized, please set it before the definition of any Tensor and Parameter, and the instantiation and execution of any operation and net, otherwise the settings may not take effect.
1 mindspore/hal/device.py:155] Backend Ascend is not created yet.

Special notes for this issue/备注 (Optional / 选填)

走给常哲瑞