[ZSTAC-86489] Backport ZSTAC-85197 to 5.4.10

[ZStack-Robot]

Clone Jira: ZSTAC-86489

Original Jira: ZSTAC-85197

Source fix MR: zstack!10112

Cherry-picked commit(s): 4ada5a5

Target branch: 5.4.10

Validation: cherry-pick completed on 5.4.10 and git diff --check passed. Full regression was not run locally.

sync from gitlab !10341

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Reviewing files that changed from the base of the PR and between 784c703 and 254985a.

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• conf/globalConfig/virutalRouter.xml is excluded by !**/*.xml

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• plugin/virtualRouterProvider/src/main/java/org/zstack/network/service/virtualrouter/VirtualRouterGlobalConfig.java

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