BREAKING CHANGE:
支持网络容器对外变更:
1.支持网络容器
2.setns, clone, unshare接口支持CLONE_NEWNET

Close #I6HPH2
Signed-off-by: Nzhushengle <zhushengle@huawei.com>
Change-Id: Ibaa11056982d465d4006680c8d3fa4ae2b9f25b5

【背景】
经代码扫描工具检测,内核代码中存在
可以修复的告警

【修改方案】
1.将单语句的if, while等加上括号
2.将C语言风格的类型转换变为C++风格

【影响】
对现有的产品编译不会有影响。
Signed-off-by: Nyinjiaming <yinjiaming@huawei.com>
Change-Id: I7d4a04a8904abb3c33e843049bf15f4386d3efd8

Feature or Bugfix:Feature
Binary Source: No
Signed-off-by: Nfanxiaoyu <fanxiaoyu3@huawei.com>

Change-Id: Ie48b96fe9c8ab036d7234b56a169d6668171a895

Change-Id: Ia6c1f6302407a707b3ec9b805f4c92d8a7970b86

Reviewed-by: likailong

Reviewed-by: jianghan